WME Junction Angle Info (development version)

Show the angle between two selected (and connected) segments

// ==UserScript==
// @name				WME Junction Angle Info (development version)
// @namespace			https://github.com/milkboy/WME-ja
// @description			Show the angle between two selected (and connected) segments
// @include				/^https:\/\/(www|beta)\.waze\.com\/(?!user\/)(.{2,6}\/)?editor.*$/
// @version				1.15.0
// @grant				none
// @copyright			2019 Michael Wikberg <waze@wikberg.fi>
// @license				CC-BY-NC-SA
// @icon				data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAIAAADYYG7QAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAA6pSURBVFhHrZkJcBNnlscbgjEZmHAYsHVZUrek7pbUuo9W674l65Z8WzbGxoAxhzNgcweMDeY0GLDHwYBhGCABTEwIOSaTZBIyye6mcjBJFTs7O5Xazc4ks7NbU7vJzjKVrc0+RVqwhWEC5NW/VFKr3//79fe+fv3JRrp2bjs00NfW3gqqSldojCqFVk4q8LK4z+a2kEosVRVIVnrL60KMU602SfnaohIaQR0zb/72428eNr7+n6/r14bBh2+ahaJCDMOcWk9ndOuFFdeQlrbF4USZ0aqlNDJKS8YrovXNNSa7PlEVSTdVK3REMGIDcbEiuU5c3hDhmgvA6PV3X8p5P2x89ecv6XIRWCX94bFVP//l+l9lhYikpTB8MOauW1y1pqN13ab26oZkrCLo9JuBZj77CYfH0LysJt1UXtdcqXALwOJHu5bkXB8tRl85C26Mj3xm5eU7QLWN5TB8RV0MXpPVYbVRNuOJqVoT5fAx9c1V3bs2Ny2pYSxqX9AWSvlYpqkc87RPP/tNzvKRo6Y9AEzratrvAD25rrW+sYKQCUQ4F17Ti8pXrlmytLUhFHVX1kTLIq7mltrautSuPTsa1qQgubEznjP7PuKtv3sVPGkPfgeomD1bSqHA1La6OVUZikFJYx54raiOdGxYtXvf9i1b1h3q37dpc6cmiELyqdHBnNn3Ef/+pz9aKgkeM/3UinM5oOp0tLy6rLYh7g9Z043Jhqby9nVLgePg4d4Nm9vXrV99fHhw6OmjiUSshJ4CQGCRM5ssvri+SVeIIPVjuY9jy4UzkUJO6MQn2QOTRNv2NNj2NvbmgKJJD3DU1MfWrm/t3Lh6X1/34NN9q59cfnxk8NrLzw2f/PGh/v1LW5pNNgOk6ROCnM0k8dX7R30LkMLCO0CvrZqr3Hnjq18fNBc2X/v2yCSx//h2cG6vbhtte2VjfBuycduT+/p3Dp8e6N6zdf/h3U+PDJw+f2LkpyeODPXv6O3auHlDV1fXzu5doZQf0sItTM7m7rh1Yw9DrXrx59tlDwY0cmkAnAk9B7oRiqJI74Fth4f2n3n2xPnRM8dODe7p6926Y/OmbRuf6t7avbtn995eiKOHjyRqM32sYpUnZ3PPGKtHJinZ0I1b2SN3xzMvjICzxFxSWV0bjsWRsRcvDB4/1LmlfV9/b++B7u7dXb37d/YdOTBw7GjXzq66dK1erwNwIcGBtNgya87mnjEB6LvET54bAmeucjZBEC6vC9nc1bH3UM/A8MHdfT19R/cOHDuyrfupqtoqlVoFHBKRJGKKd5XvOb70NKTRKSxnc894YKCDJ7vBOdrkunDtwtU3riKwaAaG+3fu69q0bX2yIiGn5MCBi/GkpbK36uArT/4yu/jf6vwQ0kDQ8nNOk8cDA0HfB9vOvauA5tyVc8ja9e2hSJCUksAhxWVVtvT+2oHX1v5tlmO8QiEaMs9dPZFzmjweDOjL//pPV1oJtn0ndw+eGjRbzQhwUISi3tl0uH74zY738yBA729+++aOK5/tOdbTnFnX7T2Lc2bfR7z2zovgaamWXn3jeZihTMmGGk9f7/wwD+Kd9Tfe33L91zsu/8ueoc/3Hfl0108+3vbK6JpRSObbZvzh3z7P+T1yZLti88aqLM2lly8heRwfbHnzH7ov/m7vIHD8dufZG0+9+u6GO7h18QTkb+lbk/N7tHjpzTHUOVMV4WzcvW7V2lXegBfH8QzQOxs++mjr67/peeb3e4+C4A18hIO3OUDnV17e33RgUbyGRU+BB/5HN9/LuT5swB7N36iDy0M1C3GSwHCCLUAFuBT5x56fAgRMCUwMTE8ex9m2i0srFslsJZA5XvLgwt//4bOc90NF9ubi0oWJdHm0psIdCetsdlSuQG52jX6w5S0o1ngO0KXVL3h9ptsEQh/X0JK2rml3djyFBTKPfUet/KEX08GRTO+Bzacn5YzVJi1+pycW8kQjGKVA3uqYsKKh3wwuGrHbjFCaTI51pn3thvTJD1de++a2lo3+SRwi4Ft1lPugO+tbf/nv7EJmmaaYI/pITSxYERLIMEIrswXdhEaNvNnxwdvrf/XGuvf608fSjkY5LseM8yEBZGpdsuTZz8ej3BYcl1dY4BzUOWvf8HYYJjfgfeNnb1+FeYUsLlMQaQgualvsjnkT9SkOzlsgLFZbdErGgOyp7q+y1WmU2mgi2rml05POLDSubVZ8/8U8iDy1Xf2aaVueRafKSqAK99raQnO/9NKZ5ApH9uRS80yRBtPaDI6wy+y32kN2voxfjBWjCpFISSKta1r7j/Vfee0KtAHoB5DAdxXl1eg+qh66np2qrNz1qjXdjT0DG2DaQLBy4ecOtK7cCcapXNUC2mVRM/qFghI+KXSF3dVNNeUNFaGKsMaiK8F4yPOv51rkU/0dkMNmpsEYeaP+VaUOXaWXNfJduVrfpSks3ePF0rlskUBEybUmo9FqVurVEjmB4pjD6zTQRpKSU1q1wmjIAV1+dVQRYkFyZNdI3mDfXVDE2mPvRnefUdR4wIplKOBQbLaUwxGjbFQkJGU8iZiHYXyxmI+hLB53IZsF0uoMBCljc3gcvkAEt312elZ2LQYLdX3Z8sv/kTfM3Qq54Pn5bbjG8r7KavHZT6VJIxhyKTZPTHAwCQDxxDhLiLH4fI5QCFilIhFKECSlWMAqQSViMSmFj6hUnpsh3DsX8mHm86wn19bME/0+QCCYaTBk62cKSbmAkPFxKRsVA5ZATEjkclKpxCkKXuUajRAXYyRezOPNYcGqkiK7+naFqjMzTCZ0rVf+nOc7ibI090bJquXiv4qCYhb9mEAuwaQqTKYQyZWYjIKiiCmlgCSKBfx5HHYRl0MZtNaAh3bDvYYvEPIRq91qDEoBCLpwnukk+m40WUEbA1sOVSLAKZRUimTq7GwJCClXLCoWCtgYypdKZhUXKRiDJeDBDeo5fC5SUZcUWed8p3o9CA0otvc82LJUs3kiOV8iZ6F4CSriiPFSguSTBF9GElqlykIrbUa1w6SwGnReq7s8ijQtTWMAZETqT97Ic5yoTxjhA9CAqgbeyABpZgJQKa4oFohLhBIA4pEkWyJaIOQtREtZhLBUKSYsaqlNixooFiVCevdu5zM/YDPToep5jo+o+pGPAahYOx1oUJmGK5bO4wkXCjGBQsGTk0UojyPFFHa9yscovbS9IiCiKVPEhfzi0knYA7BN09te+N88x0dU09lPMzNkmM6TyIq4wgUCEUdCsAlioRhlERimk5OMCjcrxWaFPmK3lfs1AbOrMoS8fPm0yPoEi57afP53eY6PqPTJjwCIrX9crFQLZVQJJhbIKKGKEmrkhEmp8tBqn5F0qCiv3lEdsKTcujKrMeRABgYPiMxzAKh2+L08R1Dr8Bl0NoII99RmPx4dQktmwsp+bKYYXXmjFQ6eHZPDkQKOYM0n4xNBlUczf2qZT01nYSKBVM4SSeajaClFqJwmfdBKubQyh1IT1Dtr/eZKNx2zE3al1KZB1q5dhluLSoxT4vsuTHS81di1am5B4WMFt4H+3iJGENaK8NM3wyEMQZyOU9/EI3PnN9xYduwgq6A5MiH9m1DPMADxdPPkBiOh0Qopiq+QkbTa4LeaonZj2GSvckZaYp76AO6m6JgVZssUcSJeH62ycuH5Z2ptGW+38toXIRdV2vo3XtttoH92awoRVkdq9KtUCkMKEv5n7wekb64BIKGGI1Yq5nE5M+bPWyDil+CCH/KL5ojnEzaSSTK2Spuz1oOaJZaU0xBikksqkeqacGW1FzJLnUXwdBzv+K2+vdtvlyxbwUxgVM8XmRNulyxbwf/X8ue+ZJsL4TrlBqXKbIQGKFZTKjutchgwPS5mcHPCEmj0+Ro8AKQJ6U1xizluT7VUIen6WCziKKUhedJH/XigWzUtTAGyoMQeLZqBPK4Zqhkbf+YEeTf1Zi7S+EOZnlKZtZiC0NpohVmjsGkNPhMdovUBnc6v1pVpPbVeX11A7zdawvZoXQKprCwL+s0aa+bPq7IU3XTunyZajwN69gy8ndeQ6Z+teztmIYX41lsTT84pfeIDUZkYtlZiIweVCwVSvsai5pOljrCjvLHcVmbBdZjWofQk7I6o1eDRWwIW2DqqGI2IIhCTSUnBwxjnsHXTgAm29BPdxwGNjeEFSKHxWNWpm+XLooVIoXT7+DPvSN9cDVaYZZ7aoqBoqcxA0G69vcwSSHltQbPZR8dqy6I1QbPPYHCqMQoVK0USSoKRYqFYhNC0QqFAlUrMaCdZpql3FW7CGmrq+VHJ7Mxtj8wQoouvN9057Y6yxWKbphl9SpgGkNpGGT3ayuYk7dU5IpZ4fdgeNpt8ekuQphiS1BJCmYCDctgCbikqzMyQTkeYzAq336RyZH5wsZjH/uoO/16CWx3S4cIIhqf3qKVGicpG6V1qg0drcGvcCQeQaRxKwJIzpEgt8KVcRqdBqiMFuICLlgpEGMJY1EaT3O7U+cosZqeWsOZ+pLo6t+cNdn/BHZrdb4BkLoGUxpUOhUDBk5pJ2qc3+PVMwFiq5MFxeK91qpxJR6gmoLDIlGYlAOEKHKdIQi5DnB6T1a5x+ehUTShS4QsmPQoPxmEy/9DQLIrH9+d1y0m04vm/hHeNZPfRHGaGyi8O1AXooJGJMKhWKLfL4b3ao4ZXX43PGDCo3Kr44liyJanzagkTTupxAFLTaqPVpDHoEaffbHVqHR6D0aq2+xlHwGrymmQWMZvOMIHU9WFYVS0X/5jHAWo+/1nZjh/f/hnEYx5Xe2Wxplh0ScyWsDqrXDKb1BA2OssdCo8yvCjkrw8kWxKhxWFr3GKvcNiTNpyWSA0EocEVeoWOMSi1GiReWRZJuGMpL+PQ+WMud8ihcxikeopDlPINJRxmenYwFjNNEpGr4NKXNYKoKoeoLPO/nNy3xqliMwvXYzILCSjQ9OQuiombKbcC2gzw0VET0AQXlbmq3fCtrdwOQJak1ZFyiFQoV8LhYlyUEKES8f8BmIA7Ka4NUW4AAAAASUVORK5CYII=
// @nocompat
// ==/UserScript==

/**
 * Copyright 2019 Michael Wikberg <waze@wikberg.fi>
 * WME Junction Angle Info extension is licensed under a Creative Commons
 * Attribution-NonCommercial-ShareAlike 3.0 Unported License.
 *
 * Contributions by:
 *	2014 Paweł Pyrczak "tkr85" <support@pyrczak.pl>
 *	2014 "AlanOfTheBerg" <alanoftheberg@gmail.com>
 *	2014 "berestovskyy" <?>
 *	2015 "FZ69617" <?>
 *	2015 "wlodek76" <?>
 *	2016 Sergey Kuznetsov "WazeRus" <sergey@izhevsk.pro> (Russian translation)
 *  2016 "MajkiiTelini" <?> Czech translation
 */

/*jshint eqnull:true, nonew:true, nomen:true, curly:true, latedef:false, unused:strict, noarg:true, loopfunc:true */
/*jshint trailing:true, forin:true, noempty:true, maxparams:7, maxerr:100, eqeqeq:true, strict:true, undef:true */
/*jshint bitwise:true, newcap:true, immed:true, onevar:true, browser:true, nonbsp:true, freeze:true */
/*global I18n, console, $*/


function run_ja() {
	"use strict";

	/*
	 * First some variable and enumeration definitions
	 */
	var ja_version = "1.15.0";

	var ja_debug = 1;	//0: no output, 1: basic info, 2: debug 3: verbose debug, 4: insane debug

	var ja_last_restart = 0, ja_roundabout_points = [], ja_options = {}, ja_mapLayer;

	var ja_TURN_ANGLE = 45.04;			//Turn vs. keep angle specified in Wiki.
	var ja_U_TURN_ANGLE = 168.24;		//U-Turn angle based on map experiments.
	var ja_GRAY_ZONE = 0.5;			//Gray zone angle intended to prevent from irregularities observed on map.
	var ja_OVERLAPPING_ANGLE = 0.666;	//Experimentally measured overlapping angle.

	var ja_routing_type = {
		BC: "junction_none",
		KEEP: "junction_keep",
		KEEP_LEFT: "junction_keep_left",
		KEEP_RIGHT: "junction_keep_right",
		TURN: "junction_turn",
		EXIT: "junction_exit",
		EXIT_LEFT: "junction_exit_left",
		EXIT_RIGHT: "junction_exit_right",
		U_TURN: "junction_u_turn",
		PROBLEM: "junction_problem",
		NO_TURN: "junction_no_turn",
		NO_U_TURN: "junction_no_u_turn",
		ROUNDABOUT: "junction_roundabout",
		ROUNDABOUT_EXIT: "junction_roundabout_exit"
	};

	var ja_road_type = {
		//Streets
		STREET: 1,
		PRIMARY_STREET: 2,
		//Highways
		RAMP: 4,
		FREEWAY: 3,
		MAJOR_HIGHWAY: 6,
		MINOR_HIGHWAY: 7,
		//Other drivable
		DIRT_ROAD: 8,
		FERRY: 14,
		PRIVATE_ROAD: 17,
		PARKING_LOT_ROAD: 20,
		//Non-drivable
		WALKING_TRAIL: 5,
		PEDESTRIAN_BOARDWALK: 10,
		STAIRWAY: 16,
		RAILROAD: 18,
		RUNWAY: 19
	};

	var ja_vehicle_types = {
		TRUCK: 1,
		PUBLIC: 2,
		TAXI: 4,
		BUS: 8,
		HOV2: 16,
		HOV3: 32,
		RV: 64,
		TOWING: 128,
		MOTORBIKE: 256,
		PRIVATE: 512,
		HAZ: 1024
	};

	var ja_settings = {
		defaultOn: { elementType: "checkbox", elementId: "_jaCbShowLayer", defaultValue: true },
		angleMode: { elementType: "select", elementId: "_jaSelAngleMode", defaultValue: "aDeparture", options: ["aAbsolute", "aDeparture"]},
		angleDisplay: { elementType: "select", elementId: "_jaSelAngleDisplay", defaultValue: "displayFancy", options: ["displayFancy", "displaySimple"]},
		angleDisplayArrows: { elementType: "select", elementId: "_jaSelAngleDisplayArrows", defaultValue: "<>", options: ["<>", "⇦⇨", "⇐⇒", "←→", "⇐⇒⇖⇗", "←→↖↗"]},
		guess: { elementType: "checkbox", elementId: "_jaCbGuessRouting", defaultValue: true },
		noInstructionColor: { elementType: "color", elementId: "_jaTbNoInstructionColor", defaultValue: "#ffffff", group: "guess"},
		keepInstructionColor: { elementType: "color", elementId: "_jaTbKeepInstructionColor", defaultValue: "#cbff84", group: "guess"},
		exitInstructionColor: { elementType: "color", elementId: "_jaTbExitInstructionColor", defaultValue: "#6cb5ff", group: "guess"},
		turnInstructionColor: { elementType: "color", elementId: "_jaTbTurnInstructionColor", defaultValue: "#4cc600", group: "guess"},
		uTurnInstructionColor: { elementType: "color", elementId: "_jaTbUTurnInstructionColor", defaultValue: "#b66cff", group: "guess"},
		noTurnColor: { elementType: "color", elementId: "_jaTbNoTurnColor", defaultValue: "#a0a0a0", group: "guess"},
		problemColor: { elementType: "color", elementId: "_jaTbProblemColor", defaultValue: "#feed40", group: "guess"},
		roundaboutOverlayDisplay: { elementType: "select", elementId: "_jaSelRoundaboutOverlayDisplay", defaultValue: "rOverNever", options: ["rOverNever","rOverSelected","rOverAlways"]},
		roundaboutOverlayColor: { elementType: "color", elementId: "_jaTbRoundaboutOverlayColor", defaultValue: "#aa0000", group: "roundaboutOverlayDisplay"},
		roundaboutColor: { elementType: "color", elementId: "_jaTbRoundaboutColor", defaultValue: "#ff8000", group: "roundaboutOverlayDisplay"},
		decimals: { elementType: "number", elementId: "_jaTbDecimals", defaultValue: 0, min: 0, max: 2},
		pointSize: { elementType: "number", elementId: "_jaTbPointSize", defaultValue: 12, min: 6, max: 20}
	};

	var ja_arrow = {
		get: function(at) {
			var arrows = ja_getOption("angleDisplayArrows");
			return arrows[at % arrows.length];
		},
		left: function() { return this.get(0); },
		right: function() { return this.get(1); },
		left_up: function() { return this.get(2); },
		right_up: function() { return this.get(3); }
	};

	function getWaze() {
		if(window.wrappedJSObject) {
			return window.wrappedJSOnject.W;
		}
		return window.W;
	}

	/*
	 * Main logic functions
	 */
	function junctionangle_init() {
		var i, ja_select_option, navTabs, tabContent;
		var ja_settings_dom = document.createElement("div");
		var ja_settings_dom_panel = document.createElement("div");
		var ja_settings_dom_content = document.createElement("div");
		var ja_settings_header = document.createElement('h4');
		var style = document.createElement('style');
		var form = document.createElement('form');
		var section = document.createElement('div');
		var ja_reset_button = document.createElement('button');
		var userTabs = document.getElementById('user-info');
		var ja_info = document.createElement('ul');
		var ja_version_elem = document.createElement('li');
		var jatab = document.createElement('li');

		//Listen for selected nodes change event
		getWaze().selectionManager.events.register("selectionchanged", null, ja_calculate);

		//Temporary workaround. Beta editor changed the event listener logic, but live is still using the old version
		//if-else should be removed once not needed anymore
		if("events" in getWaze().model.segments) {
			//Live
			getWaze().model.segments.events.on({
				"objectschanged": ja_calculate,
				"objectsremoved": ja_calculate
			});
			getWaze().model.nodes.events.on({
				"objectschanged": ja_calculate,
				"objectsremoved": ja_calculate
			});
		} else if("_events" in getWaze().model.segments) {
			//Beta editor
			getWaze().model.segments.on({
				"objectschanged": ja_calculate,
				"objectsremoved": ja_calculate
			});
			getWaze().model.nodes.on({
				"objectschanged": ja_calculate,
				"objectsremoved": ja_calculate
			});
		}

		//Recalculate on zoom end also
		getWaze().map.events.register("zoomend", null, ja_calculate);

		ja_load();
		ja_loadTranslations();

		/**
		 * Add JAI tab configuration options
		 */
		ja_settings_dom_panel.className = "side-panel-section";
		ja_settings_dom_content.className = "tab-content";
		ja_settings_header.appendChild(document.createTextNode(ja_getMessage("settingsTitle")));
		ja_settings_dom_content.appendChild(ja_settings_header);

		style.appendChild(document.createTextNode(function () {/*
			#jaOptions > *:first-child {
				margin-top: 1em;
			}
			#jaOptions * {
				vertical-align: middle;
			}
			#jaOptions label {
				display: inline;
			}
			#jaOptions input, select {
				display: inline;
				margin-right: 7px;
				box-sizing: border-box;
				border: 1px solid #cccccc;
				border-radius: 5px;
				padding: 3px;
			}
			#jaOptions input[type="number"] {
				width: 4em;
				padding: 6px;
			}
			#jaOptions input[type="color"] {
				width: 15%;
				height: 2em;
				padding: 4px;
			}
			@supports (-webkit-appearance:none) {
				#jaOptions input[type="color"] {
					padding: 0px 2px 0px 2px;
				}
			}
			#jaOptions .disabled {
				position: relative;
			}
			#jaOptions .disabled:after {
				content: " ";
				z-index: 10;
				display: block;
				position: absolute;
				height: 100%;
				top: 0;
				left: 0;
				right: 0;
				background: rgba(255, 255, 255, 0.666);
			}
			*/}.toString().match(/[^]*\/\*([^]*)\*\/\}$/)[1]));

		section.className = "form-group";
		form.className = "attributes-form side-panel-section";
		section.id = "jaOptions";
		ja_log("---------- Creating settings HTML ----------", 2);
		Object.getOwnPropertyNames(ja_settings).forEach(function (a) {
			var setting = ja_settings[a];
			var ja_controls_container = document.createElement('div');
			var ja_input = document.createElement('input');
			var ja_label = document.createElement('label');
			ja_controls_container.className = "controls-container";
			ja_input.type = setting.elementType;
			switch (setting.elementType) {
				case 'color':
					ja_input.id = setting.elementId;
					ja_controls_container.appendChild(ja_input);
					break;
				case 'number':
					ja_input.id = setting.elementId;
					ja_input.setAttribute("min", setting.min);
					ja_input.setAttribute("max", setting.max);
					ja_controls_container.appendChild(ja_input);
					break;
				/*
				case 'text':
					ja_input.id = setting.elementId;
					ja_input.size = (setting.max ? setting.max : 8);
					ja_input.maxlength = (setting.max ? setting.max : 7);
					ja_controls_container.appendChild(ja_input);
					break;
				*/
				case 'checkbox':
					ja_input.id = setting.elementId;
					ja_controls_container.appendChild(ja_input);
					break;
				case 'select':
					ja_input = document.createElement('select'); //Override <input> with <select>
					ja_input.id = setting.elementId;
					for(i = 0; i < setting.options.length; i++) {
						ja_select_option = document.createElement('option');
						ja_select_option.value = setting.options[i];
						ja_select_option.appendChild(document.createTextNode(ja_getMessage(setting.options[i])));
						ja_input.appendChild(ja_select_option);
					}
					ja_controls_container.appendChild(ja_input);
					break;
				default:
					ja_log("Unknown setting type " + setting.elementType, 2);
			}

			ja_input.onchange = function() { ja_onchange(this); };

			ja_label.setAttribute("for", setting.elementId);
			ja_label.appendChild(document.createTextNode(ja_getMessage(a)));
			ja_controls_container.appendChild(ja_label);

			section.appendChild(ja_controls_container);
		});
		section.appendChild(document.createElement('br'));

		ja_reset_button.type = "button";
		ja_reset_button.className = "btn btn-default";
		ja_reset_button.addEventListener("click", ja_reset, true);
		ja_reset_button.appendChild(document.createTextNode(ja_getMessage("resetToDefault")));

		section.appendChild(document.createElement('div'));
		section.appendChild(ja_reset_button);

		form.appendChild(section);
		ja_settings_dom_content.appendChild(form);

		navTabs = userTabs.getElementsByClassName('nav-tabs')[0];
		tabContent = userTabs.getElementsByClassName('tab-content')[0];

		ja_settings_dom.id = "sidepanel-ja";
		ja_settings_dom.className = "tab-pane";

		ja_settings_dom_content.style.paddingTop = "0";

		ja_settings_dom.appendChild(style);

		ja_settings_dom_panel.appendChild(ja_settings_dom_content);
		ja_settings_dom.appendChild(ja_settings_dom_panel);

		//Add some version info etc
		ja_info.className = "list-unstyled -side-panel-section";
		ja_info.style.fontSize = "11px";

		ja_version_elem.appendChild(document.createTextNode(ja_getMessage("name") + ": v" + ja_version));
		ja_info.appendChild(ja_version_elem);

		//Add some useful links
		ja_info.appendChild(ja_helpLink(
			'https://wiki.waze.com/wiki/Roundabouts/USA#Understanding_navigation_instructions', 'roundaboutnav')
		);
		ja_info.appendChild(ja_helpLink('https://github.com/milkboy/WME-ja/issues', 'ghissues'));

		ja_settings_dom.appendChild(ja_info);

		tabContent.appendChild(ja_settings_dom);

		jatab.innerHTML = '<!--suppress HtmlUnknownAnchorTarget --><a href="#sidepanel-ja" data-toggle="tab">JAI</a>';
		if(navTabs != null) { navTabs.appendChild(jatab); }

		//Add support for translations. Default (and fallback) is "en".
		//Note, don't make typos in "acceleratorName", as it has to match the layer name (with whitespace removed)
		// to actually work. Took me a while to figure that out...
		I18n.translations[window.I18n.locale].layers.name.junction_angles = ja_getMessage("name");

		/**
		 * Initialize JAI OpenLayers vector layer
		 */
		if (getWaze().map.getLayersBy("uniqueName","junction_angles").length === 0) {

			// Create a vector layer and give it your style map.
			ja_mapLayer = new window.OpenLayers.Layer.Vector(ja_getMessage("name"), {
				displayInLayerSwitcher: true,
				uniqueName: "junction_angles",
				shortcutKey: "S+j",
				accelerator: "toggle" + ja_getMessage("name").replace(/\s+/g,''),
				className: "junction-angles",
				styleMap: new window.OpenLayers.StyleMap(ja_style())
			});

			//Set visibility according to user preference
			ja_mapLayer.setVisibility(ja_getOption("defaultOn"));

			getWaze().map.addLayer(ja_mapLayer);
			ja_log("version " + ja_version + " loaded.", 0);

			ja_log(getWaze().map, 3);
			ja_log(getWaze().model, 3);
			ja_log(getWaze().loginManager, 3);
			ja_log(getWaze().selectionManager, 3);
			ja_log(ja_mapLayer, 3);
			ja_log(window.OpenLayers, 3);
		} else {
			ja_log("Oh, nice.. We already had a layer?", 3);
		}

		ja_apply();
		ja_calculate();
	}

	/**
	 *
	 * @param node Junction node
	 * @param s_in_a "In" segment id
	 * @param s_out_a "Out" segment id
	 * @param angles array of segment absolute angles [0] angle, [1] segment id, 2[?]
	 * @returns {string}
	 */
	function ja_guess_routing_instruction(node, s_in_a, s_out_a, angles) {
		var s_n = {}, s_in = null, s_out = {}, street_n = {}, street_in = null, angle;
		var s_in_id = s_in_a;
		var s_out_id = s_out_a;

		ja_log("Guessing routing instructions from " + s_in_a + " via node " + node.attributes.id + " to " + s_out_a,2);
		ja_log(node, 4);
		ja_log(s_in_a, 4);
		ja_log(s_out_a, 4);
		ja_log(angles, 3);

		s_in_a = window.$.grep(angles, function(element){
			return element[1] === s_in_a;
		});
		s_out_a = window.$.grep(angles, function(element){
			return element[1] === s_out_a;
		});

		node.attributes.segIDs.forEach(function(element) {
			if (element === s_in_id) {
				s_in = node.model.segments.getObjectById(element);
				street_in = ja_get_streets(element);
				//Set empty name for streets if not defined
				if(typeof street_in.primary === 'undefined') { street_in.primary = {}; }
				if(typeof street_in.primary.name === 'undefined') {
					street_in.primary.name = "";
				}
			} else {
				if(element === s_out_id) {
					//store for later use
					s_out[element] = node.model.segments.getObjectById(element);
					//Set empty name for streets if not defined
					if(typeof s_out[element].primary === 'undefined') {
						s_out[element].primary = { name: "" };
					}
				}
				s_n[element] = node.model.segments.getObjectById(element);
				street_n[element] = ja_get_streets(element);
				if(typeof street_n[element].primary === 'undefined') {
					street_n[element].primary = { name: ""};
				}
			}
		});

		ja_log(s_n, 3);
		ja_log(street_n,3);
		ja_log(s_in,3);
		ja_log(street_in,2);
		if (s_in === null || street_in === null) {
			//Should never happen, but adding to make code validation happy
			return ja_routing_type.PROBLEM;
		}

		angle = ja_angle_diff(s_in_a[0], (s_out_a[0]), false);
		ja_log("turn angle is: " + angle, 2);

		//Check turn possibility first
		if(!ja_is_turn_allowed(s_in, node, s_out[s_out_id])) {
			ja_log("Turn is disallowed!", 2);
			return ja_routing_type.NO_TURN;
		}

		//Roundabout - no true instruction guessing here!
		if (s_in.attributes.junctionID) {
			if (s_out[s_out_id].attributes.junctionID) {
				ja_log("Roundabout continuation - no instruction", 2);
				return ja_routing_type.BC;
			} else {
				ja_log("Roundabout exit - no instruction", 2);
				//exit just to visually distinguish from roundabout continuation
				return ja_routing_type.ROUNDABOUT_EXIT;
			}
		} else if (s_out[s_out_id].attributes.junctionID) {
			ja_log("Roundabout entry - no instruction", 2);
			//no instruction since it's normally the only continuation - true instruction can be computed for
			//entry-exit selection only
			return ja_routing_type.BC;
		}

		//Check for U-turn, which is emitted even if there is only one s-out
		if (Math.abs(angle) > ja_U_TURN_ANGLE + ja_GRAY_ZONE) {
			ja_log("Angle is >= 170 - U-Turn", 2);
			return ja_routing_type.U_TURN;
		} else if (Math.abs(angle) > ja_U_TURN_ANGLE - ja_GRAY_ZONE) {
			ja_log("Angle is in gray zone 169-171", 2);
			return ja_routing_type.PROBLEM;
		}

		//No other possible turns
		if(node.attributes.segIDs.length <= 2) {
			ja_log("Only one possible turn - no instruction", 2);
			return ja_routing_type.BC;
		} //No instruction

		/*
		 *
		 * Here be dragons!
		 *
		 */
		if(Math.abs(angle) < ja_TURN_ANGLE - ja_GRAY_ZONE) {
			ja_log("Turn is <= 44", 2);

			/*
			 * Filter out disallowed and non-"BC eligible" turns.
			 */
			ja_log("Original angles and street_n:", 2);
			ja_log(angles, 2);
			ja_log(street_n, 2);
			ja_log(s_n, 2);
			angles = angles.filter(function (a) {
				ja_log("Filtering angle: " + ja_angle_diff(s_in_a, a[0], false), 2);
				if(s_out_id === a[1] ||
					(typeof s_n[a[1]] !== 'undefined' &&
						ja_is_turn_allowed(s_in, node, s_n[a[1]]) &&
						Math.abs(ja_angle_diff(s_in_a, a[0], false)) < ja_TURN_ANGLE //Any angle above 45.04 is not eligible
						)) {
					ja_log(true, 4);
					return true;
				} else {
					ja_log(false, 4);
					if(street_n[a[1]]) {
						delete s_n[a[1]];
						delete street_n[a[1]];
					}
					return false;
				}
			});
			ja_log("Filtered angles and street_n:", 2);
			ja_log(angles, 2);
			ja_log(street_n, 2);
			ja_log(s_n, 2);

			if(angles.length <= 1) {
				ja_log("Only one allowed turn left", 2);
				return ja_routing_type.BC;
			} //No instruction

			/*
			 * Apply simplified BC logic
			 */
			var bc_matches = {}, bc_prio = 0, bc_count = 0;
			var bc_collect = function(a, prio) {
				ja_log("Potential BC = " + prio, 2);
				ja_log(a, 2);
				if (prio > bc_prio) { //highest priority wins now
					bc_matches = {};
					bc_prio = prio;
					bc_count = 0;
				}
				if (prio === bc_prio) {
					bc_matches[a[1]] = a;
					bc_count++;
				}
				ja_log("BC candidates:", 2);
				ja_log(bc_matches, 2);
			};

			//Check each eligible turn against routing rules
			for(var k=0; k< angles.length; k++) {
				var a = angles[k];

				ja_log("Checking angle " + k, 2);
				ja_log(a, 2);

				var tmp_angle = ja_angle_diff(s_in_a[0], a[0], false);
				ja_log(tmp_angle, 2);

				var tmp_s_out = {};
				tmp_s_out[a[1]] = s_n[a[1]];
				var tmp_street_out = {};
				tmp_street_out[a[1]] = street_n[a[1]];

				var name_match = ja_primary_name_match(street_in, tmp_street_out) ||
						ja_alt_name_match(street_in, tmp_street_out) ||
						ja_cross_name_match(street_in, tmp_street_out);

				if(name_match && ja_segment_type_match(s_in, tmp_s_out)) {
					ja_log("BC name and type match", 2);
					bc_collect(a, 3);
				} else if(name_match) {
					ja_log("BC name match", 2);
					bc_collect(a, 2);
				} else if(ja_segment_type_match(s_in, tmp_s_out)) {
					ja_log("BC type match", 2);
					bc_collect(a, 1);
				}
				//Else: Non-BC
			}

			//If s-out is the only BC, that's it.
			if (bc_matches[s_out_id] !== undefined && bc_count === 1) {
				ja_log("\"straight\": no instruction", 2);
				return ja_routing_type.BC;
			}

			ja_log("BC logic did not apply; using old default rules instead.", 2);

			//FZ69617: Sort angles in left most first order
			ja_log("Unsorted angles", 4);
			ja_log(angles, 4);
			angles.sort(function(a, b) { return ja_angle_dist(a[0], s_in_a[0][0]) - ja_angle_dist(b[0], s_in_a[0][0]); });
			ja_log("Sorted angles", 4);
			ja_log(angles, 4);

			//wlodek76: FIXING KEEP LEFT/RIGHT regarding to left most segment
			//WIKI WAZE: When there are more than two segments less than 45.04°, only the left most segment will be
			// KEEP LEFT, all the rest will be KEEP RIGHT
			//FZ69617: Wiki seems to be wrong here - experiments shows that "more than two" must be read as "at least two"
			//FZ69617: Wiki also does not mention differences between RHT and LHT countries for this consideration,
			// but map experiments seem to prove that we have to use reverse logic for LHT countries.
			if (!s_in.model.isLeftHand) { //RHT
				if (angles[0][1] === s_out_id) { //s-out is left most segment

					//wlodek76: KEEP LEFT/RIGHT overlapping case
					//WIKI WAZE: If the left most segment is overlapping another segment, it will also be KEEP RIGHT.
					if (!ja_overlapping_angles(angles[0][0], angles[1][0])) {
						ja_log("Left most <45 segment: keep left", 2);
						return ja_routing_type.KEEP_LEFT;
					}
				}
			} else { //LHT
				//FZ69617: KEEP RIGHT/LEFT logic for right most segment
				//MISSING IN WIKI: When there are at least two segments less than 45.04°, only the right most segment will
				// be KEEP RIGHT, all the rest will be KEEP LEFT
				if (angles[angles.length - 1][1] === s_out_id) { //s-out is right most segment

					//FZ69617: KEEP RIGHT/LEFT overlapping case
					//MISSING IN WIKI: If the right most segment is overlapping another segment, it will also be KEEP LEFT.
					if (!ja_overlapping_angles(angles[angles.length - 1][0], angles[angles.length - 2][0])) {
						ja_log("Right most <45 segment: keep right", 2);
						return ja_routing_type.KEEP_RIGHT;
					}
				}
			}

			//FZ69617: Two overlapping segments logic
			//WAZE WIKI: If the only two segments less than 45.04° overlap each other, neither will get an instruction.
			//...
			//wlodek76: Three overlapping segments logic
			//MISSING IN WIKI: If the ONLY THREE segments less than 45.04° overlap each other, neither will get an instruction.
			//...
			//FZ69617: Two or more overlapping segments logic
			//MISSING IN WIKI: If there are two or more segments less than 45.04° and all these segmentes overlap each other,
			// neither will get an instruction.
			var overlap_i = 1;
			while(overlap_i < angles.length &&
					ja_overlapping_angles(angles[0][0], angles[overlap_i][0])) {
				++overlap_i;
			}
			if(overlap_i > 1 && overlap_i === angles.length) {
				ja_log("Two or more overlapping segments only: no instruction", 2);
				return ja_routing_type.BC;
			}

			//Primary to non-primary
			if(ja_is_primary_road(s_in) && !ja_is_primary_road(s_out[s_out_id])) {
				ja_log("Primary to non-primary = exit", 2);
				return s_in.model.isLeftHand ? ja_routing_type.EXIT_LEFT : ja_routing_type.EXIT_RIGHT;
			}

			//Ramp to non-primary or non-ramp
			if(ja_is_ramp(s_in) && !ja_is_primary_road(s_out[s_out_id]) && !ja_is_ramp(s_out[s_out_id]) ) {
				ja_log("Ramp to non-primary and non-ramp = exit", 2);
				return s_in.model.isLeftHand ? ja_routing_type.EXIT_LEFT : ja_routing_type.EXIT_RIGHT;
			}

			ja_log("DEFAULT: keep", 2);
			return s_in.model.isLeftHand ? ja_routing_type.KEEP_LEFT : ja_routing_type.KEEP_RIGHT;
		} else if (Math.abs(angle) < ja_TURN_ANGLE + ja_GRAY_ZONE) {
			ja_log("Angle is in gray zone 44-46", 2);
			return ja_routing_type.PROBLEM;
		} else {
			ja_log("Normal turn", 2);
			return ja_routing_type.TURN; //Normal turn (left|right)
		}
	}

	function ja_calculate_real() {
		var ja_start_time = Date.now();
		var ja_nodes = [];
		var restart = false;
		ja_log("Actually calculating now", 2);
		ja_roundabout_points = [];
		ja_log(getWaze().map, 3);
		if (typeof ja_mapLayer === 'undefined') {
			return;
		}
		//clear old info
		ja_mapLayer.destroyFeatures();

		if (ja_getOption("roundaboutOverlayDisplay") === "rOverAlways") {
			ja_draw_roundabout_overlay();
		}

		//try to show all angles for all selected segments
		if (!getWaze().selectionManager.hasSelectedFeatures()) { return; }
		ja_log("Checking junctions for " + getWaze().selectionManager.getSelectedFeatures().length + " segments", 2);

		getWaze().selectionManager.getSelectedFeatures().forEach(function(element) {
			ja_log(element, 3);
			switch (element.model.type) {
				case "node":
					ja_nodes.push(element.model.attributes.id);
					break;
				case "segment":
					//segments selected?
					if (element.model.attributes.fromNodeID != null &&
						ja_nodes.indexOf(element.model.attributes.fromNodeID) === -1) {
						ja_nodes.push(element.model.attributes.fromNodeID);
					}
					if (element.model.attributes.toNodeID != null &&
						ja_nodes.indexOf(element.model.attributes.toNodeID) === -1) {
						ja_nodes.push(element.model.attributes.toNodeID);
					}
					break;
				case "venue":
					break;
				default:
					ja_log("Found unknown item type: " + element.model.type, 2);
					break;
			}
			ja_log(ja_nodes, 2);
		});

		//Figure out if we have a selected roundabout and do some magic
		var ja_selected_roundabouts = {};

		ja_nodes.forEach(function(node) {
			ja_log(getWaze().model.nodes.getObjectById(node), 3);

			var tmp_s = null, tmp_n = null, tmp_junctionID = null;
			if(getWaze().model.nodes.getObjectById(node) == null ||
				typeof getWaze().model.nodes.getObjectById(node).attributes.segIDs === 'undefined') {
				return;
			}
			getWaze().model.nodes.getObjectById(node).attributes.segIDs.forEach(function(segment) {
				ja_log(segment, 3);

				if(getWaze().model.segments.getObjectById(segment).attributes.junctionID) {
					ja_log("Roundabout detected: " + getWaze().model.segments.getObjectById(segment).attributes.junctionID, 3);
					tmp_junctionID = getWaze().model.segments.getObjectById(segment).attributes.junctionID;
				} else {
					tmp_s = segment;
					tmp_n = node;
				}
				ja_log("tmp_s: " + (tmp_s === null ? 'null' : tmp_s), 3);
			});
			ja_log("final tmp_s: " + (tmp_s === null ? 'null' : tmp_s), 3);
			if(tmp_junctionID === null) { return; }
			if (ja_selected_roundabouts.hasOwnProperty(tmp_junctionID)) {
				ja_selected_roundabouts[tmp_junctionID].out_s = tmp_s;
				ja_selected_roundabouts[tmp_junctionID].out_n = node;
			} else {
				ja_selected_roundabouts[tmp_junctionID] = {
					'in_s': tmp_s,
					'in_n': tmp_n,
					'out_s': null,
					'out_n': null,
					'p': getWaze().model.junctions.get(tmp_junctionID).geometry
				};
			}
		});

		//Do some fancy painting for the roundabouts...
		for(var tmp_roundabout in ja_selected_roundabouts) {
			if (ja_selected_roundabouts.hasOwnProperty(tmp_roundabout)) {
				ja_log(tmp_roundabout, 3);
				ja_log(ja_selected_roundabouts[tmp_roundabout], 3);

				//New roundabouts don't have coordinates yet..
				if(typeof ja_selected_roundabouts[tmp_roundabout].p === 'undefined' ||
					ja_selected_roundabouts[tmp_roundabout].out_n === null
					) {
					continue;
				}

				//Draw circle overlay for this roundabout
				if(ja_getOption("roundaboutOverlayDisplay") === "rOverSelected") {
					ja_draw_roundabout_overlay(tmp_roundabout);
				}

				//Transform LonLat to actual layer projection
				var tmp_roundabout_center = ja_coordinates_to_point(ja_selected_roundabouts[tmp_roundabout].p.coordinates);
				var angle = ja_angle_between_points(
					getWaze().model.nodes.getObjectById(ja_selected_roundabouts[tmp_roundabout].in_n).geometry,
					tmp_roundabout_center,
					getWaze().model.nodes.getObjectById(ja_selected_roundabouts[tmp_roundabout].out_n).geometry
				);
				ja_mapLayer.addFeatures([
					new window.OpenLayers.Feature.Vector(
						tmp_roundabout_center,
						{
							angle: ja_round(angle) + '°',
							ja_type: ja_is_roundabout_normal(
								tmp_roundabout,
								ja_selected_roundabouts[tmp_roundabout].in_n) ? ja_routing_type.TURN : ja_routing_type.ROUNDABOUT
						}
					)
				]);
			}
		}


		var ja_label_distance;
		/*
		 * Define a base distance to markers, depending on the zoom level
		 */
		switch (getWaze().map.zoom) {
			case 10:
				ja_label_distance = 2.8;
				break;
			case 9:
				ja_label_distance = 4;
				break;
			case 8:
				ja_label_distance = 8;
				break;
			case 7:
				ja_label_distance = 15;
				break;
			case 6:
				ja_label_distance = 25;
				break;
			case 5:
				ja_label_distance = 40;
				break;
			case 4:
				ja_label_distance = 80;
				break;
			case 3:
				ja_label_distance = 150;
				break;
			case 2:
				ja_label_distance = 300;
				break;
			case 1:
				ja_label_distance = 400;
				break;
			default:
				ja_log("Unsupported zoom level: " + getWaze().map.zoom + "!", 2);
		}

		ja_label_distance *= (1 + (0.2 * parseInt(ja_getOption("decimals"))));

		ja_log("zoom: " + getWaze().map.zoom + " -> distance: " + ja_label_distance, 2);


		/**
		 * Collect double-turn (inc. U-turn) segments info
		 */
		var doubleTurns = {

			data: {}, //Structure: map<s_id, map<s_out_id, list<{s_in_id, angle, turn_type}>>>

			collect: function (s_id, s_in_id, s_out_id, angle, turn_type) {
				ja_log("Collecting double-turn path from " + s_in_id + " to " + s_out_id	 +
					" via " + s_id + " with angle " + angle + " type: " + turn_type, 2);
				var info = this.data[s_id];
				if (info === undefined) {
					info = this.data[s_id] = {};
				}
				var list = info[s_out_id];
				if (list === undefined) {
					list = info[s_out_id] = [];
				}
				list.push({ s_in_id: s_in_id, angle: angle, turn_type: turn_type });
			},

			forEachItem: function (s_id, s_out_id, fn) {
				var info = this.data[s_id];
				if (info !== undefined) {
					var list = info[s_out_id];
					if (list !== undefined) {
						list.forEach(function(item, i) {
							fn(item, i);
						});
					}
				}
			}
		};

		//Loop through all 15m or less long segments and collect double-turn disallowed ones
		if (ja_getOption("angleMode") === "aDeparture" && ja_nodes.length > 1) {
			getWaze().selectionManager.getSelectedFeatures().forEach(function (selectedSegment) {
				var segmentId = selectedSegment.model.attributes.id;
				var segment = getWaze().model.segments.objects[segmentId];
				ja_log("Checking " + segmentId + " for double turns ...", 2);

				var len = ja_segment_length(segment);
				ja_log("Segment " + segmentId + " length: " + len, 2);

				if (Math.round(len) <= 15) {

					var fromNode = getWaze().model.nodes.getObjectById(segment.attributes.fromNodeID);
					var toNode = getWaze().model.nodes.getObjectById(segment.attributes.toNodeID);
					var a_from = ja_getAngle(segment.attributes.fromNodeID, segment);
					var a_to = ja_getAngle(segment.attributes.toNodeID, segment);

					fromNode.attributes.segIDs.forEach(function (fromSegmentId) {
						if (fromSegmentId === segmentId) { return; }
						var fromSegment = getWaze().model.segments.objects[fromSegmentId];
						var from_a = ja_getAngle(segment.attributes.fromNodeID, fromSegment);
						var from_angle = ja_angle_diff(from_a, a_from, false);
						ja_log("Segment from " + fromSegmentId + " angle: " + from_a + ", turn angle: " + from_angle, 2);

						toNode.attributes.segIDs.forEach(function (toSegmentId) {
							if (toSegmentId === segmentId) {return; }
							var toSegment = getWaze().model.segments.objects[toSegmentId];
							var to_a = ja_getAngle(segment.attributes.toNodeID, toSegment);
							var to_angle = ja_angle_diff(to_a, a_to, false);
							ja_log("Segment to " + toSegmentId + " angle: " + to_a + ", turn angle: " + to_angle, 2);

							var angle = Math.abs(to_angle - from_angle);
							ja_log("Angle from " + fromSegmentId + " to " + toSegmentId + " is: " + angle, 2);

							//Determine whether a turn is disallowed
							if (angle >= 175 - ja_GRAY_ZONE && angle <= 185 + ja_GRAY_ZONE) {
								var turn_type = (angle >= 175 + ja_GRAY_ZONE && angle <= 185 - ja_GRAY_ZONE) ?
										ja_routing_type.NO_U_TURN : ja_routing_type.PROBLEM;

								if (ja_is_turn_allowed(fromSegment, fromNode, segment) &&
										ja_is_turn_allowed(segment, toNode, toSegment)) {
									doubleTurns.collect(segmentId, fromSegmentId, toSegmentId, angle, turn_type);
								}
								if (ja_is_turn_allowed(toSegment, toNode, segment) &&
										ja_is_turn_allowed(segment, fromNode, fromSegment)) {
									doubleTurns.collect(segmentId, toSegmentId, fromSegmentId, angle, turn_type);
								}
							}
						});
					});
				}
			});
		}

		ja_log("Collected double-turn segments:", 2);
		ja_log(doubleTurns.data, 2);


		//Start looping through selected nodes
		for (var i = 0; i < ja_nodes.length; i++) {
			var node = getWaze().model.nodes.getObjectById(ja_nodes[i]);
			var angles = [];
			var ja_selected_segments_count = 0;
			var ja_selected_angles = [];
			var a;

			if (node == null || !node.hasOwnProperty('attributes')) {
				//Oh oh.. should not happen? We want to use a node that does not exist
				ja_log("Oh oh.. should not happen?",2);
				ja_log(node, 2);
				ja_log(ja_nodes[i], 2);
				ja_log(getWaze().model, 3);
				ja_log(getWaze().model.nodes, 3);
				continue;
			}
			//check connected segments
			var ja_current_node_segments = node.attributes.segIDs;
			ja_log(node, 2);

			//ignore of we have less than 2 segments
			if (ja_current_node_segments.length <= 1) {
				ja_log("Found only " + ja_current_node_segments.length + " connected segments at " + ja_nodes[i] +
					", not calculating anything...", 2);
				continue;
			}

			ja_log("Calculating angles for " + ja_current_node_segments.length + " segments", 2);
			ja_log(ja_current_node_segments, 3);

			ja_current_node_segments.forEach(function (nodeSegment, j) {
				var s = getWaze().model.segments.objects[nodeSegment];
				if(typeof s === 'undefined') {
					//Meh. Something went wrong, and we lost track of the segment. This needs a proper fix, but for now
					// it should be sufficient to just restart the calculation
					ja_log("Failed to read segment data from model. Restarting calculations.", 1);
					if(ja_last_restart === 0) {
						ja_last_restart = new Date().getTime();
						setTimeout(function(){ja_calculate();}, 500);
					}
					restart = true;
				}
				a = ja_getAngle(ja_nodes[i], s);
				ja_log("Segment " + nodeSegment + " angle is " + a, 2);
				angles[j] = [a, nodeSegment, s == null ? false : s.isSelected()];
				if (s == null ? false : s.isSelected()) {
					ja_selected_segments_count++;
				}
			});

			if(restart) { return; }

			//make sure we have the selected angles in correct order
			ja_log(ja_current_node_segments, 3);
			getWaze().selectionManager.getSelectedFeatures().forEach(function (selectedSegment) {
				var selectedSegmentId = selectedSegment.model.attributes.id;
				ja_log("Checking if " + selectedSegmentId + " is in current node", 3);
				if(ja_current_node_segments.indexOf(selectedSegmentId) >= 0) {
					ja_log("It is!", 4);
					//find the angle
					for(var j=0; j < angles.length; j++) {
						if(angles[j][1] === selectedSegmentId) {
							ja_selected_angles.push(angles[j]);
							break;
						}
					}
				} else {
					ja_log("It's not..", 4);
				}
			});

			ja_log(angles, 3);

			var ha, point;
			//if we have two connected segments selected, do some magic to get the turn angle only =)
			if (ja_selected_segments_count === 2) {
				var ja_extra_space_multiplier = 1;

				a = ja_angle_diff(ja_selected_angles[0][0], ja_selected_angles[1][0], false);

				ha = (parseFloat(ja_selected_angles[0][0]) + parseFloat(ja_selected_angles[1][0]))/2;
				if((Math.abs(ja_selected_angles[0][0]) + Math.abs(ja_selected_angles[1][0])) > 180 &&
					((ja_selected_angles[0][0] < 0 && ja_selected_angles[1][0] > 0) ||
						(ja_selected_angles[0][0] > 0 && ja_selected_angles[1][0] < 0))
					) {
					ha += 180;
				}

				if (Math.abs(a) > 120) {
					ja_log("Sharp angle", 2);
					ja_extra_space_multiplier = 2;
				}

				//Move point a bit if it's on the top (Bridge icon will obscure it otherwise)
				if(ha > 40 && ha < 120) { ja_extra_space_multiplier = 2; }

				ja_log("Angle between " + ja_selected_angles[0][1] + " and " + ja_selected_angles[1][1] + " is " +
					a + " and position for label should be at " + ha, 3);

				//Guess some routing instructions based on segment types, angles etc
				var ja_junction_type = ja_routing_type.TURN; //Default to old behavior

				if(ja_getOption("guess")) {
					ja_log(ja_selected_angles, 2);
					ja_log(angles, 2);
					ja_junction_type =
						ja_guess_routing_instruction(node, ja_selected_angles[0][1], ja_selected_angles[1][1], angles);
					ja_log("Type is: " + ja_junction_type, 2);
				}
				//get the initial marker point
				point = new window.OpenLayers.Geometry.Point(
						node.geometry.x + (ja_extra_space_multiplier * ja_label_distance * Math.cos((ha * Math.PI) / 180)),
						node.geometry.y + (ja_extra_space_multiplier * ja_label_distance * Math.sin((ha * Math.PI) / 180))
				);
				ja_draw_marker(point, node, ja_label_distance, a, ha, true, ja_junction_type);

				//draw double turn markers
				doubleTurns.forEachItem(ja_selected_angles[0][1], ja_selected_angles[1][1], function(item) {
					ja_draw_marker(point, node, ja_label_distance, item.angle, ha, true, item.turn_type);
				});
			}
			else {
				//sort angle data (ascending)
				angles.sort(function (a, b) {
					return a[0] - b[0];
				});
				ja_log(angles, 3);
				ja_log(ja_selected_segments_count, 3);

				//get all segment angles
				angles.forEach(function(angle, j) {
					a = (360 + (angles[(j + 1) % angles.length][0] - angle[0])) % 360;
					ha = (360 + ((a / 2) + angle[0])) % 360;
					var a_in = angles.filter(function(a) {
						return !!a[2];
					})[0];

					//Show only one angle for nodes with only 2 connected segments and a single selected segment
					// (not on both sides). Skipping the one > 180
					if (ja_selected_segments_count === 1 &&
						angles.length === 2 &&
						a >=180 &&
						ja_getOption("angleMode") !== "aDeparture"
						) {
						ja_log("Skipping marker, as we need only one of them", 2);
						return;
					}
					if(ja_getOption("angleMode") === "aDeparture" && ja_selected_segments_count > 0) {
						if(a_in[1] === angle[1]) {
							ja_log("in == out. skipping.", 2);
							return;
						}
						ja_log("Angle in:",2);
						ja_log(a_in,2);
						ja_log(ja_guess_routing_instruction(node, a_in[1], angle[1], angles), 2);
						//FIXME: we might want to try to keep the marker on the segment, instead of just
						//in the direction of the first part
						ha = angle[0];
						a = ja_angle_diff(a_in[0], angles[j][0], false);
						point = new window.OpenLayers.Geometry.Point(
								node.geometry.x + (ja_label_distance * 2 * Math.cos((ha * Math.PI) / 180)),
								node.geometry.y + (ja_label_distance * 2 * Math.sin((ha * Math.PI) / 180))
						);
						ja_draw_marker(point, node, ja_label_distance, a, ha, true,
							ja_getOption("guess") ?
								ja_guess_routing_instruction(node, a_in[1], angle[1], angles) : ja_routing_type.TURN);

						//draw double turn markers
						doubleTurns.forEachItem(a_in[1], angle[1], function(item) {
							ja_draw_marker(point, node, ja_label_distance, item.angle, ha, true, item.turn_type);
						});

					} else {
						ja_log("Angle between " + angle[1] + " and " + angles[(j + 1) % angles.length][1] + " is " +
							a + " and position for label should be at " + ha, 3);
						point = new window.OpenLayers.Geometry.Point(
								node.geometry.x + (ja_label_distance * 1.25 * Math.cos((ha * Math.PI) / 180)),
								node.geometry.y + (ja_label_distance * 1.25 * Math.sin((ha * Math.PI) / 180))
						);
						ja_draw_marker(point, node, ja_label_distance, a, ha);
					}
				});
			}
		}

		ja_last_restart = 0;
		var ja_end_time = Date.now();
		ja_log("Calculation took " + String(ja_end_time - ja_start_time) + " ms", 2);
	}


	/*
	 * Drawing functions
	 */
	/**
	 *
	 * @param point Estimated point for marker
	 * @param node Node the marker is for
	 * @param ja_label_distance Arbitrary distance to be used in moving markers further away etc
	 * @param a Angle to display
	 * @param ha Angle to marker from node (FIXME: either point or ha is probably unnecessary)
	 * @param withRouting true: show routing guessing markers, false: show "normal" angle markers
	 * @param ja_junction_type If using routing, this needs to be set to the desired type
	 */
	function ja_draw_marker(point, node, ja_label_distance, a, ha, withRouting, ja_junction_type) {

		//Try to estimate of the point is "too close" to another point
		//(or maybe something else in the future; like turn restriction arrows or something)
		//FZ69617: Exctract initial label distance from point
		var ja_tmp_distance = Math.abs(ha) % 180 < 45 || Math.abs(ha) % 180 > 135 ?
				(point.x - node.geometry.x) / (Math.cos((ha * Math.PI) / 180)) :
				(point.y - node.geometry.y) / (Math.sin((ha * Math.PI) / 180));
		ja_log("Starting distance estimation", 3);
		while(ja_mapLayer.features.some(function(feature){
			if(typeof feature.attributes.ja_type !== 'undefined' && feature.attributes.ja_type !== 'roundaboutOverlay') {
				//Arbitrarily chosen minimum distance.. Should actually use the real bounds of the markers,
				//but that didn't work out.. Bounds are always 0..
				if(ja_label_distance / 1.4 > feature.geometry.distanceTo(point)) {
					ja_log(ja_label_distance / 1.5 > feature.geometry.distanceTo(point) + " is kinda close..", 3);
					return true;
				}
			}
			return false;
		})) {
			//add 1/4 of the original distance and hope for the best =)
			ja_tmp_distance += ja_label_distance / 4;
			ja_log("setting distance to " + ja_tmp_distance, 2);
			point = new window.OpenLayers.Geometry.Point(
					node.geometry.x + (ja_tmp_distance * Math.cos((ha * Math.PI) / 180)),
					node.geometry.y + (ja_tmp_distance * Math.sin((ha * Math.PI) / 180))
			);
		}
		ja_log("Distance estimation done", 3);

		var angleString = ja_round(Math.abs(a)) + "°";

		//FZ69617: Add direction arrows for turn instructions only
		if (ja_getOption("angleDisplay") === "displaySimple") {
			switch(ja_junction_type) {
				case ja_routing_type.TURN:
					angleString = a > 0 ? ja_arrow.left() + angleString : angleString + ja_arrow.right();
					break;
				case ja_routing_type.EXIT:
				case ja_routing_type.KEEP:
					angleString = a > 0 ? ja_arrow.left_up() + angleString : angleString + ja_arrow.right_up();
					break;
				case ja_routing_type.EXIT_LEFT:
				case ja_routing_type.KEEP_LEFT:
					angleString = ja_arrow.left_up() + angleString;
					break;
				case ja_routing_type.EXIT_RIGHT:
				case ja_routing_type.KEEP_RIGHT:
					angleString += ja_arrow.right_up();
					break;
				default:
					ja_log("No extra format for junction type: " + ja_junction_type, 2);
			}
		} else {
			switch(ja_junction_type) {
				case ja_routing_type.TURN:
					angleString = (a > 0 ? ja_arrow.left() : ja_arrow.right()) + "\n" + angleString;
					break;
				case ja_routing_type.EXIT:
				case ja_routing_type.KEEP:
					angleString = (a > 0 ? ja_arrow.left_up() : ja_arrow.right_up()) + "\n" + angleString;
					break;
				case ja_routing_type.EXIT_LEFT:
				case ja_routing_type.KEEP_LEFT:
					angleString = ja_arrow.left_up() + "\n" + angleString;
					break;
				case ja_routing_type.EXIT_RIGHT:
				case ja_routing_type.KEEP_RIGHT:
					angleString = ja_arrow.right_up() + "\n" + angleString;
					break;
				case ja_routing_type.PROBLEM:
					angleString = "?\n" + angleString;
					break;
				default:
					ja_log("No extra format for junction type: " + ja_junction_type, 2);
			}
		}
		var anglePoint = withRouting ?
			new window.OpenLayers.Feature.Vector(
				point,
				{ angle: angleString, ja_type: ja_junction_type }
			): new window.OpenLayers.Feature.Vector(
			point,
			{ angle: ja_round(a) + "°", ja_type: "generic" }
		);
		ja_log(anglePoint, 3);

		//Don't paint points inside an overlaid roundabout
		if(ja_roundabout_points.some(function (roundaboutPoint){
			return roundaboutPoint.containsPoint(point);
		})) {
			return;
		}

		//Draw a line to the point
		ja_mapLayer.addFeatures([
				new window.OpenLayers.Feature.Vector(
					new window.OpenLayers.Geometry.LineString([node.geometry, point]),
					{},
					{strokeOpacity: 0.6, strokeWidth: 1.2, strokeDashstyle: "solid", strokeColor: "#ff9966"}
				)
			]
		);

		//push the angle point
		ja_mapLayer.addFeatures([anglePoint]);

	}

	function ja_draw_roundabout_overlay(junctionId) {
		(junctionId === undefined ? (getWaze().model.junctions.getObjectArray()) : (function (junction) {
			return junction === undefined ? [] : [ junction ];
		})
		(getWaze().model.junctions.get(junctionId))).forEach(function (element) {
			ja_log(element, 3);
			var nodes = {};
			element.segIDs.forEach(function(s) {
				var seg = getWaze().model.segments.getObjectById(s);
				ja_log(seg, 3);
				nodes[seg.attributes.fromNodeID] = getWaze().model.nodes.getObjectById(seg.attributes.fromNodeID);
				nodes[seg.attributes.toNodeID] = getWaze().model.nodes.getObjectById(seg.attributes.toNodeID);
			});

			ja_log(nodes, 3);
			var center = ja_coordinates_to_point(element.geometry.coordinates);
			ja_log(center, 3);
			var distances = [];
			Object.getOwnPropertyNames(nodes).forEach(function(name) {
				ja_log("Checking " + name + " distance", 3);
				var dist = Math.sqrt(
						Math.pow(nodes[name].attributes.geometry.x - center.x, 2) +
						Math.pow(nodes[name].attributes.geometry.y - center.y, 2)
				);
				distances.push(dist);
			});
			ja_log(distances, 3);
			ja_log("Mean distance is " + distances.reduce(function(a,b){return a + b;}) / distances.length, 3);

			var circle = window.OpenLayers.Geometry.Polygon.createRegularPolygon(
				center,
				distances.reduce(function(a,b){return a + b;}) / distances.length,
				40,
				0
			);
			var roundaboutCircle = new window.OpenLayers.Feature.Vector(circle, {'ja_type': 'roundaboutOverlay'});
			ja_roundabout_points.push(circle);
			ja_mapLayer.addFeatures([roundaboutCircle]);
		});
	}


	/*
	 * Segment and routing helpers
	 */

	/**
	 * Check if segment in type matches any other segments
	 * @param segment_in
	 * @param segments
	 * @returns {boolean}
	 */
	function ja_segment_type_match(segment_in, segments) {
		ja_log(segment_in, 2);
		ja_log(segments, 2);

		return Object.getOwnPropertyNames(segments).some(function (segment_n_id, index) {
			var segment_n = segments[segment_n_id];
			ja_log("PT Checking element " + index, 2);
			ja_log(segment_n, 2);
			if(segment_n.attributes.id === segment_in.attributes.id) { return false; }
			ja_log("PT checking sn.rt " + segment_n.attributes.roadType +
				" vs i.pt: " + segment_in.attributes.roadType, 2);
			return (segment_n.attributes.roadType === segment_in.attributes.roadType);
		});
	}

	function ja_is_primary_road(seg) {
		var t = seg.attributes.roadType;
		return t === ja_road_type.FREEWAY || t === ja_road_type.MAJOR_HIGHWAY || t === ja_road_type.MINOR_HIGHWAY;
	}

	function ja_is_ramp(seg) {
		var t = seg.attributes.roadType;
		return t === ja_road_type.RAMP;
	}

	function ja_is_turn_allowed(s_from, via_node, s_to) {
		ja_log("Allow from " + s_from.attributes.id +
			" to " + s_to.attributes.id +
			" via " + via_node.attributes.id + "? " +
			via_node.isTurnAllowedBySegDirections(s_from, s_to) + " | " + s_from.isTurnAllowed(s_to, via_node), 2);

		//Is there a driving direction restriction?
		if(!via_node.isTurnAllowedBySegDirections(s_from, s_to)) {
			ja_log("Driving direction restriction applies", 3);
			return false;
		}

		//Is turn allowed by other means (e.g. turn restrictions)?
		if(!s_from.isTurnAllowed(s_to, via_node)) {
			ja_log("Other restriction applies", 3);
			return false;
		}

		if(s_to.attributes.fromNodeID === via_node.attributes.id) {
			ja_log("FWD direction",3);
			return ja_is_car_allowed_by_restrictions(s_to.attributes.fwdRestrictions);
		} else {
			ja_log("REV direction",3);
			return ja_is_car_allowed_by_restrictions(s_to.attributes.revRestrictions);
		}
	}

	function ja_is_car_allowed_by_restrictions(restrictions) {
		ja_log("Checking restrictions for cars", 2);
		if(typeof restrictions === 'undefined' || restrictions == null || restrictions.length === 0) {
			ja_log("No car type restrictions to check...", 3);
			return true;
		}
		ja_log(restrictions, 3);

		return !restrictions.some(function(element) {
			/*jshint bitwise: false*/
			ja_log("Checking restriction " + element, 3);
			//noinspection JSBitwiseOperatorUsage
			var ret = element.allDay &&				//All day restriction
				element.days === 127 &&				//Every week day
				( element.vehicleTypes === -1 ||	//All vehicle types
					element.vehicleTypes & ja_vehicle_types.PRIVATE //or at least private cars
					);
			if (ret) {
				ja_log("There is an all-day-all-week restriction", 3);
				var fromDate = Date.parse(element.fromDate);
				var toDate = Date.parse(element.toDate);
				ja_log("From: " + fromDate + ", to: " + toDate + ". " + ret, 3);
				if(isNaN(fromDate && isNaN(toDate))) {
					ja_log("No start nor end date defined");
					return false;
				}
				var fRes, tRes;
				if(!isNaN(fromDate) && new Date() > fromDate) {
					ja_log("From date is in the past", 3);
					fRes = 2;
				} else if(isNaN(fromDate)) {
					ja_log("From date is invalid/not set", 3);
					fRes = 1;
				} else {
					ja_log("From date is in the future: " + fromDate, 3);
					fRes = 0;
				}
				if(!isNaN(toDate) && new Date() < toDate) {
					ja_log("To date is in the future", 3);
					tRes = 2;
				} else if(isNaN(toDate)) {
					ja_log("To date is invalid/not set", 3);
					tRes = 1;
				} else {
					ja_log("To date is in the past: " + toDate, 3);
					tRes = 0;
				}
				// Car allowed unless
				// - toDate is in the future and fromDate is unset or in the past
				// - fromDate is in the past and toDate is unset in the future
				// Hope I got this right ;)
				return (fRes <= 1 && tRes <= 1);
			}
			return ret;
		});
	}

	/**
	 * From wiki:
	 * A Cross-match is when the primary name of one segment is identical to the alternate name of an adjacent segment.
	 * It had the same priory as a Primary name match. In order for a Cross match to work there must be at least one
	 * alt name on both involved segments (even though they don't necessarily match each other). It will work even if
	 * the are no Primary names on those segments. It will not work if all three segments at a split have a matching
	 * Primary name or a matching Alternate name.
	 * @param street_in
	 * @param streets
	 * @returns {boolean}
	 */
	function ja_cross_name_match(street_in, streets) {
		ja_log("CN: init", 2);
		ja_log(street_in, 2);
		ja_log(streets, 2);
		return Object.getOwnPropertyNames(streets).some(function (street_n_id, index) {
			var street_n_element = streets[street_n_id];
			ja_log("CN: Checking element " + index, 2);
			ja_log(street_n_element, 2);
			return (street_in.secondary.some(function (street_in_secondary){
				ja_log("CN2a: checking n.p: " + street_n_element.primary.name +
					" vs in.s: " + street_in_secondary.name, 2);

				//wlodek76: CROSS-MATCH works when two compared segments contain at least one ALT NAME
				//when alt name is empty cross-match does not work
				//FZ69617: This no longer seems to be needed
				//if (street_n_element.secondary.length === 0) { return false; }

				return street_n_element.primary.name === street_in_secondary.name;
			}) || street_n_element.secondary.some(function (street_n_secondary) {
				ja_log("CN2b: checking in.p: " + street_in.primary.name + " vs n.s: " + street_n_secondary.name, 2);

				//wlodek76: CROSS-MATCH works when two compared segments contain at least one ALT NAME
				//when alt name is empty cross-match does not work
				//FZ69617: This no longer seems to be needed
				//if (street_in.secondary.length === 0) { return false; }

				//wlodek76: missing return from checking primary name with alternate names
				return street_in.primary.name === street_n_secondary.name;
			}));
		});
	}

	function ja_alt_name_match(street_in, streets) {
		return Object.getOwnPropertyNames(streets).some(function (street_n_id, index) {
			var street_n_element = streets[street_n_id];
			ja_log("AN alt name check: Checking element " + index, 2);
			ja_log(street_n_element, 2);

			if(street_in.secondary.length === 0) { return false; }
			if(street_n_element.secondary.length === 0) { return false; }

			return street_in.secondary.some(function (street_in_secondary, index2) {
				ja_log("AN2 checking element " + index2, 2);
				ja_log(street_in_secondary, 2);
				return street_n_element.secondary.some(function (street_n_secondary_element, index3) {
					ja_log("AN3 Checking in.s: " + street_in_secondary.name +
						" vs n.s." + index3 + ": " + street_n_secondary_element.name, 2);
					return street_in_secondary.name === street_n_secondary_element.name;
				});
			});
		});
	}

	function ja_primary_name_match(street_in, streets) {
		ja_log("PN", 2);
		ja_log(street_in, 2);
		ja_log(streets, 2);
		return Object.getOwnPropertyNames(streets).some(function (id, index, array) {
			var element = streets[id];
			ja_log("PN Checking element " + index + " of " + array.length, 2);
			ja_log(element, 2);
			return (element.primary.name === street_in.primary.name);
		});
	}

	function ja_get_streets(segmentId) {
		var primary =
			getWaze().model.streets.objects[getWaze().model.segments.objects[segmentId].attributes.primaryStreetID];
		var secondary = [];
		getWaze().model.segments.objects[segmentId].attributes.streetIDs.forEach(function (element) {
			secondary.push(getWaze().model.streets.objects[element]);
		});
		ja_log(primary, 3);
		ja_log(secondary, 3);
		return { primary: primary, secondary: secondary };
	}

	/**
	 * Computes segment's length in meters
	 * @param segment Segment to compute the length of
	 * @returns {number}
	 */
	function ja_segment_length(segment) {
		var len = segment.geometry.getGeodesicLength(getWaze().map.projection);
		ja_log("segment: " + segment.attributes.id +
      " computed len: " + len + " attrs len: " + segment.attributes.length, 3);
		return len;
	}


	/**
	 * Checks whether the two segments (connected at the same node) overlap each other.
	 * @param a1 Angle of the 1st segment
	 * @param a2 Angle of the 2nd segment
	 */
	function ja_overlapping_angles(a1, a2) {
		// If two angles are close < 2 degree they are overlapped.
		// Method of recognizing overlapped segment by server is unknown for me yet, I took this from WME Validator
		// information about this.
		// TODO: verify overlapping check on the side of routing server.
		return Math.abs(ja_angle_diff(a1, a2, true)) < ja_OVERLAPPING_ANGLE;
	}


	/*
	 * Misc math and map element functions
	 */

	/**
	 *
	 * @param p0 From point
	 * @param p1 Center point
	 * @param p2 To point
	 * @returns {number}
	 */
	function ja_angle_between_points(p0,p1,p2) {
		ja_log("p0 " + p0,3);
		ja_log("p1 " + p1,3);
		ja_log("p2 " + p2,3);
		var a = Math.pow(p1.x-p0.x,2) + Math.pow(p1.y-p0.y,2);
		var b = Math.pow(p1.x-p2.x,2) + Math.pow(p1.y-p2.y,2);
		var c = Math.pow(p2.x-p0.x,2) + Math.pow(p2.y-p0.y,2);
		var angle = Math.acos((a+b-c) / Math.sqrt(4*a*b)) / (Math.PI / 180);
		ja_log("angle is " + angle,3);
		return angle;
	}

	/**
	 * get absolute (or turn) angle between 2 inputs.
	 * 0,90,true	-> 90	0,90,false	-> -90
	 * 0,170,true	-> 170	0,170,false	-> -10
	 * @param aIn absolute s_in angle (from node)
	 * @param aOut absolute s_out angle (from node)
	 * @param absolute return absolute or turn angle?
	 * @returns {number}
	 */
	function ja_angle_diff(aIn, aOut, absolute) {
		var a = parseFloat(aOut) - parseFloat(aIn);
		if(a > 180) { a -= 360; }
		if(a < -180) { a+= 360; }
		return absolute ? a : (a > 0 ? a - 180 : a + 180);
	}

	function ja_angle_dist(a, s_in_angle) {
		ja_log("Computing out-angle " + a + " distance to in-angle " + s_in_angle, 4);
		var diff = ja_angle_diff(a, s_in_angle, true);
		ja_log("Diff is " + diff + ", returning: " + (diff < 0 ? diff + 360 : diff), 4);
		return diff < 0 ? diff + 360 : diff;
	}

	function ja_is_roundabout_normal(junctionID, n_in) {
		ja_log("Check normal roundabout", 3);
		var junction = getWaze().model.junctions.get(junctionID);
		var nodes = {};
		var numValidExits = 0;
		junction.segIDs.forEach(function (element, index) {
			var s = getWaze().model.segments.getObjectById(element);
			ja_log("index: " + index, 3);
			//ja_log(s, 3);
			if (!nodes.hasOwnProperty(s.attributes.toNodeID)) {
				ja_log("Adding node id: " + s.attributes.toNodeID, 3);
				//Check if node has allowed exits
				var allowed = false;
				var currNode = getWaze().model.nodes.getObjectById(s.attributes.toNodeID);
				ja_log(currNode, 3);
				currNode.attributes.segIDs.forEach(function (element2) {
					var s_exit = getWaze().model.segments.getObjectById(element2);
					ja_log(s_exit, 3);
					if (s_exit.attributes.junctionID === null) {
						ja_log("Checking: " + s_exit.attributes.id, 3);
						if (currNode.isTurnAllowedBySegDirections(s, s_exit)) {
							//Exit possibly allowed
							ja_log("Exit allowed", 3);
							allowed = true;
						} else {
							ja_log("Exit not allowed", 3);
						}
					} else {
						//part of the junction.. Ignoring
						ja_log(s_exit.attributes.id + " is in the roundabout. ignoring", 3);
					}
				});
				if (allowed) {
					numValidExits++;
					nodes[s.attributes.toNodeID] = getWaze().model.nodes.getObjectById(s.attributes.toNodeID);
				}
			}
		});

		var is_normal = true;
		ja_log(n_in, 3);
		ja_log(junction, 3);
		ja_log(nodes, 3);

		//If we have more than 4 possible exits, the roundabout is non-normal, and we don't want to paint the
		//offending angles.
		if (numValidExits > 4) { return false; }

		for (var n in nodes) {
			if (nodes.hasOwnProperty(n)) {
				ja_log("Checking " + n, 3);
				if (String(n) === String(n_in)) {
					ja_log("Not comparing to n_in ;)", 3);
				} else {
					var angle = ja_angle_between_points(
						getWaze().model.nodes.getObjectById(n_in).geometry,
						ja_coordinates_to_point(junction.geometry.coordinates),
						getWaze().model.nodes.getObjectById(n).geometry
					);
					ja_log("Angle is: " + angle, 3);
					ja_log("Normalized angle is: " + (angle % 90), 3);
					//angle = Math.abs((angle%90 - 90))
					angle = Math.abs((angle % 90));
					ja_log("Angle is: " + angle, 3);
					// 90 +/- 15 is considered "normal"
					if (angle <= 15 || 90 - angle <= 15) {
						ja_log("turn is normal", 3);
					} else {
						ja_log("turn is NOT normal", 3);
						is_normal = false;
						//Push a marker on the node to show which exit is "not normal"
						ja_mapLayer.addFeatures([
								new window.OpenLayers.Feature.Vector(
									getWaze().model.nodes.getObjectById(n).geometry,
									{
										angle: '±' + ja_round(Math.min(angle, 90 - angle)),
										ja_type: ja_routing_type.ROUNDABOUT
									}
								)]
						);
					}
				}
			}
		}
		return is_normal;
	}


	/**
	 * Helper to get get correct projections for roundabout center point
	 */

	function ja_coordinates_to_point(coordinates) {
		return window.OpenLayers.Projection.transform(
			new window.OpenLayers.Geometry.Point(
				coordinates[0],
				coordinates[1]
			),
			"EPSG:4326",
			ja_mapLayer.projection.projCode
		);
	}

	function ja_get_first_point(segment) {
		return segment.geometry.components[0];
	}

	function ja_get_last_point(segment) {
		return segment.geometry.components[segment.geometry.components.length - 1];
	}

	function ja_get_second_point(segment) {
		return segment.geometry.components[1];
	}

	function ja_get_next_to_last_point(segment) {
		return segment.geometry.components[segment.geometry.components.length - 2];
	}

	//get the absolute angle for a segment end point
	function ja_getAngle(ja_node, ja_segment) {
		ja_log("node: " + ja_node, 2);
		ja_log("segment: " + ja_segment, 2);
		if (ja_node == null || ja_segment == null) { return null; }
		var ja_dx, ja_dy;
		if (ja_segment.attributes.fromNodeID === ja_node) {
			ja_dx = ja_get_second_point(ja_segment).x - ja_get_first_point(ja_segment).x;
			ja_dy = ja_get_second_point(ja_segment).y - ja_get_first_point(ja_segment).y;
		} else {
			ja_dx = ja_get_next_to_last_point(ja_segment).x - ja_get_last_point(ja_segment).x;
			ja_dy = ja_get_next_to_last_point(ja_segment).y - ja_get_last_point(ja_segment).y;
		}
		ja_log(ja_node + " / " + ja_segment + ": dx:" + ja_dx + ", dy:" + ja_dy, 2);
		var ja_angle = Math.atan2(ja_dy, ja_dx);
		return ((ja_angle * 180 / Math.PI)) % 360;
	}

	/**
	 * Decimal adjustment of a number. Borrowed (with some modifications) from
	 * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/round
	 * ja_round(55.55); with 1 decimal // 55.6
	 * ja_round(55.549); with 1 decimal // 55.5
	 * ja_round(55); with -1 decimals // 60
	 * ja_round(54.9); with -1 decimals // 50
	 *
	 * @param	{Number}	value	The number.
	 * @returns	{Number}			The adjusted value.
	 */
	function ja_round(value) {
		var ja_rounding = -parseInt(ja_getOption("decimals"));
		var valueArray;
		if (typeof ja_rounding === 'undefined' || +ja_rounding === 0) {
			return Math.round(value);
		}
		value = +value;
		// If the value is not a number or the exp is not an integer...
		if (isNaN(value) || !(typeof ja_rounding === 'number' && ja_rounding % 1 === 0)) {
			return NaN;
		}
		// Shift
		valueArray = value.toString().split('e');
		value = Math.round(+(valueArray[0] + 'e' + (valueArray[1] ? (+valueArray[1] - ja_rounding) : -ja_rounding)));
		// Shift back
		valueArray = value.toString().split('e');
		return +(valueArray[0] + 'e' + (valueArray[1] ? (+valueArray[1] + ja_rounding) : ja_rounding));
	}


	/*
	 * WME interface helper functions
	 */

	function ja_getOption(name) {
		ja_log("Loading option: " + name, 2);
		if(!ja_options.hasOwnProperty(name) || typeof ja_options[name] === 'undefined') {
			ja_options[name] = ja_settings[name].defaultValue;
		}
		//Check for invalid values
		//Select values
		if(ja_settings[name].elementType === "select" && ja_settings[name].options.lastIndexOf(ja_options[name]) < 0) {
			ja_log(ja_settings[name].options, 2);
			ja_log("Found invalid value for setting " + name + ": " + ja_options[name] + ". Using default.", 2);
			ja_options[name] = ja_settings[name].defaultValue;
		}
		//Color values
		else if(ja_settings[name].elementType === "color" && String(ja_options[name]).match(/#[0-9a-f]{6}/) == null) {
			ja_log("Found invalid value for setting " + name + ": \"" + ja_options[name] + "\". Using default.", 2);
			ja_options[name] = ja_settings[name].defaultValue;
		}
		//Numeric values
		else if(ja_settings[name].elementType === "number") {
			var minValue = typeof ja_settings[name].min === 'undefined' ? Number.MIN_VALUE : ja_settings[name].min;
			var maxValue = typeof ja_settings[name].max === 'undefined' ? Number.MAX_VALUE : ja_settings[name].max;
			if(isNaN(ja_options[name]) || ja_options[name] < minValue || ja_options[name] > maxValue) {
				ja_log("Found invalid value for setting " + name + ": \"" + ja_options[name] + "\". Using default.", 2);
				ja_options[name] = ja_settings[name].defaultValue;
			}
		}
		//Checkboxes
		else if(ja_settings[name].elementType === "checkbox" && ja_options[name] !== true && ja_options[name] !== false) {
			ja_log("Found invalid value for setting " + name + ": \"" + ja_options[name] + "\". Using default.", 2);
			ja_options[name] = ja_settings[name].defaultValue;
		}

		ja_log("Got value: " + ja_options[name], 2);
		return ja_options[name];
	}

	function ja_setOption(name, val) {
		ja_options[name] = val;
		if(localStorage) {
			localStorage.setItem("wme_ja_options", JSON.stringify(ja_options));
		}
		ja_log(ja_options,3);
	}

	var ja_onchange = function(e) {
		var applyPending = false;
		var settingName = Object.getOwnPropertyNames(ja_settings).filter(function(a){
			ja_log(ja_settings[a], 4);
			return ja_settings[a].elementId === e.id;
		})[0];
		ja_log(e, 3);
		ja_log(settingName, 3);
		switch(ja_settings[settingName].elementType) {
			case "checkbox":
				ja_log("Checkbox setting " + e.id + ": stored value is: " + ja_options[settingName] + ", new value: " + e.checked, 3);
				if (ja_options[settingName] !== e.checked) { applyPending = true; }
				break;
			case "select":
			case "color":
			case "number":
				ja_log("Setting " + e.id + ": stored value is: " + ja_options[settingName] + ", new value: " + e.value, 3);
				if (String(ja_options[settingName]) !== String(e.value)) { applyPending = true; }
				break;
			default:
				ja_log("Unknown setting " + e.id + ": stored value is: " + ja_options[settingName] + ", new value: " + e.value, 3);
		}

		function disable_input(element, disable) {
			element.disabled = disable;
			if (disable) {
				$(element.parentNode).addClass("disabled");
			} else {
				$(element.parentNode).removeClass("disabled");
			}
		}

		//Enable|disable certain dependent settings
		switch(e.id) {
			case ja_settings.guess.elementId:
				Object.getOwnPropertyNames(ja_settings).forEach(function (a) {
					var setting = ja_settings[a];
					if(setting.group && setting.group === 'guess') {
						ja_log(a + ": " + !e.checked , 3);
						disable_input(document.getElementById(setting.elementId), !e.checked);
					}
				});
				break;
			case ja_settings.roundaboutOverlayDisplay.elementId:
				Object.getOwnPropertyNames(ja_settings).forEach(function (a) {
					var setting = ja_settings[a];
					if(setting.group && setting.group === 'roundaboutOverlayDisplay') {
						ja_log(a +": " + e.value, 3);
						disable_input(document.getElementById(setting.elementId), e.value === "rOverNever");
					}
				});
				break;
			default:
				ja_log("Nothing to do for " + e.id, 2);
		}

		ja_log("Apply pending configuration changes? " + applyPending, 2);
		if(applyPending) {
			ja_log("Applying new settings now", 3);
			setTimeout(function(){ja_save();}, 500);

		} else {
			ja_log("No new settings to apply", 3);
		}
	};

	var ja_load = function loadJAOptions() {
		ja_log("Should load settings now.", 2);
		if(localStorage != null) {
			ja_log("We have local storage! =)",2);
			try {
				ja_options = JSON.parse(localStorage.getItem("wme_ja_options"));
			} catch (e){
				ja_log("Loading settings failed.. " + e.message, 2);
				ja_options = null;
			}
		}
		if(ja_options == null) {
			ja_reset();
		} else {
			ja_log(ja_options, 2);
			setTimeout(function(){ja_apply();}, 500);
		}
	};

	var ja_save = function saveJAOptions() {
		ja_log("Saving settings", 2);
		Object.getOwnPropertyNames(ja_settings).forEach(function (a) {
			var setting = ja_settings[a];
			ja_log(setting, 2);
			switch (setting.elementType) {
				case "checkbox":
					ja_setOption(a, document.getElementById(setting.elementId).checked);
					break;
				case "color":
					var re = /^#[0-9a-f]{6}$/;
					if(re.test(document.getElementById(setting.elementId).value)) {
						ja_setOption(a, document.getElementById(setting.elementId).value);
					} else {
						ja_setOption(a, ja_settings[a]['default']);
					}
					break;
				case "number":
					var val = parseInt(document.getElementById(setting.elementId).value);
					if(!isNaN(val) && val === parseInt(val) && setting.min <= val && val <= setting.max) {
						ja_setOption(a, document.getElementById(setting.elementId).value);
					} else {
						ja_setOption(a, ja_settings[a]['default']);
					}
					break;
				case "text":
				case "select":
					ja_setOption(a, document.getElementById(setting.elementId).value);
					break;
				default:
					ja_log("Unknown setting type " + setting.elementType, 2);
			}
		});
		ja_apply();
		return false;
	};

	var ja_apply = function applyJAOptions() {
		ja_log("Applying stored (or default) settings", 2);
		if(typeof getWaze().map.getLayersBy("uniqueName","junction_angles")[0] === 'undefined') {
			ja_log("WME not ready yet, trying again in 400 ms", 2);
			setTimeout(function(){ja_apply();}, 400);
			return;
		}
		if (document.getElementById("sidepanel-ja") == null) {
			ja_log("WME not ready (no settings tab)", 2);
		} else {
			ja_log(Object.getOwnPropertyNames(ja_settings), 2);
			Object.getOwnPropertyNames(ja_settings).forEach(function (a) {
				var setting = ja_settings[a];
				ja_log(a, 2);
				ja_log(setting, 2);
				ja_log(document.getElementById(setting.elementId), 2);
				switch (setting.elementType) {
					case "checkbox":
						document.getElementById(setting.elementId).checked = ja_getOption(a);
						document.getElementById(setting.elementId).onchange(null);
						break;
					case "color":
					case "number":
					case "text":
						document.getElementById(setting.elementId).value = ja_getOption(a);
						break;
					case "select":
						document.getElementById(setting.elementId).value = ja_getOption(a);
						document.getElementById(setting.elementId).onchange(null);
						break;
					default:
						ja_log("Unknown setting type " + setting.elementType, 2);
				}
			});
		}
		getWaze().map.getLayersBy("uniqueName","junction_angles")[0].styleMap = ja_style();
		ja_calculate_real();
		ja_log(ja_options, 2);
	};

	var ja_reset = function resetJAOptions() {
		ja_log("Resetting settings", 2);
		if(localStorage != null) {
			localStorage.removeItem("wme_ja_options");
		}
		ja_options = {};
		ja_apply();
		return false;
	};

	function ja_helpLink(url, text) {
		var elem = document.createElement('li');
		var l = document.createElement('a');
		l.href = url;
		l.target = "_blank";
		l.appendChild(document.createTextNode(ja_getMessage(text)));
		elem.appendChild(l);
		return elem;
	}

	var ja_calculation_timer = {
		start: function() {
			ja_log("Starting timer", 2);
			this.cancel();
			var ja_calculation_timer_self = this;
			this.timeoutID = window.setTimeout(function(){ja_calculation_timer_self.calculate();}, 200);
		},

		calculate: function() {
			ja_calculate_real();
			delete this.timeoutID;
		},

		cancel: function() {
			if(typeof this.timeoutID === "number") {
				window.clearTimeout(this.timeoutID);
				ja_log("Cleared timeout ID" + this.timeoutID, 2);
				delete this.timeoutID;
			}
		}

	};

	function ja_calculate() {
		ja_calculation_timer.start();
	}

	function ja_get_contrast_color(hex_color) {
		ja_log("Parsing YIQ-based contrast color for: " + hex_color + " ...", 2);
		var r = parseInt(hex_color.substr(1, 2), 16);
		var g = parseInt(hex_color.substr(3, 2), 16);
		var b = parseInt(hex_color.substr(5, 2), 16);
		var yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
		return (yiq >= 128) ? 'black' : 'white';
	}

	function ja_get_style_rule(routingType, fillColorOption) {
		return new window.OpenLayers.Rule(
			{
				filter: new window.OpenLayers.Filter.Comparison({
					type: window.OpenLayers.Filter.Comparison.EQUAL_TO,
					property: "ja_type",
					value: routingType
				}),
				symbolizer: {
					pointRadius: 3 + parseInt(ja_getOption("pointSize"), 10) +
						(parseInt(ja_getOption("decimals")) > 0 ? 4 * parseInt(ja_getOption("decimals")) : 0),
					fontSize: (parseInt(ja_getOption("pointSize")) - 1) + "px",
					fillColor: ja_getOption(fillColorOption),
					strokeColor: "#183800",
					fontColor: ja_get_contrast_color(ja_getOption(fillColorOption))
				}
			});
	}

	function ja_style() {
		ja_log("Point radius will be: " + (parseInt(ja_getOption("pointSize"), 10)) +
			(parseInt(ja_getOption("decimals") > 0 ? (4 * parseInt(ja_getOption("decimals"))).toString() : "0")), 2);
		return new window.OpenLayers.Style({
			fillColor: "#ffcc88",
			strokeColor: "#ff9966",
			strokeWidth: 2,
			label: "${angle}",
			fontWeight: "bold",
			pointRadius: parseInt(ja_getOption("pointSize"), 10) +
				(parseInt(ja_getOption("decimals")) > 0 ? 4 * parseInt(ja_getOption("decimals")) : 0),
			fontSize: "10px"
		}, {
			rules: [
				new window.OpenLayers.Rule({
					symbolizer: {
					}
				}),
				ja_get_style_rule(ja_routing_type.TURN, "turnInstructionColor"),
				ja_get_style_rule(ja_routing_type.BC, "noInstructionColor"),
				ja_get_style_rule(ja_routing_type.KEEP, "keepInstructionColor"),
				ja_get_style_rule(ja_routing_type.KEEP_LEFT, "keepInstructionColor"),
				ja_get_style_rule(ja_routing_type.KEEP_RIGHT, "keepInstructionColor"),
				ja_get_style_rule(ja_routing_type.EXIT, "exitInstructionColor"),
				ja_get_style_rule(ja_routing_type.EXIT_LEFT, "exitInstructionColor"),
				ja_get_style_rule(ja_routing_type.EXIT_RIGHT, "exitInstructionColor"),
				ja_get_style_rule(ja_routing_type.NO_TURN, "noTurnColor"),
				ja_get_style_rule(ja_routing_type.PROBLEM, "problemColor"),
				ja_get_style_rule(ja_routing_type.ROUNDABOUT, "roundaboutColor"),
				ja_get_style_rule(ja_routing_type.ROUNDABOUT_EXIT, "exitInstructionColor"),
				ja_get_style_rule(ja_routing_type.U_TURN, "uTurnInstructionColor"),
				ja_get_style_rule(ja_routing_type.NO_U_TURN, "problemColor"),

				new window.OpenLayers.Rule(
					{
						filter: new window.OpenLayers.Filter.Comparison({
							type: window.OpenLayers.Filter.Comparison.EQUAL_TO,
							property: "ja_type",
							value: "roundaboutOverlay"
						}),
						symbolizer: {
							pointRadius: 3 + parseInt(ja_getOption("pointSize"), 10) +
								(parseInt(ja_getOption("decimals")) > 0 ? 4 * parseInt(ja_getOption("decimals")) : 0),
							fontSize: "12px",
							fillColor: ja_getOption("roundaboutOverlayColor"),
							fillOpacity: 0.1,
							strokeColor: ja_getOption("roundaboutOverlayColor"),
							label: ""
						}
					})

			]
		});
	}


	/*
	 * Translation helpers
	 */

	function ja_getMessage(key) {
		var tr = I18n.translate('ja.' + key), no_tr = I18n.missingTranslation('ja.' + key);
		return tr === no_tr ? key : tr;
	}

	function ja_loadTranslations() {
		var set_trans = function(def) {
			/*jshint -W093*/
			return I18n.translations[I18n.locale].ja = def;
		};

		ja_log("Loading translations",2);

		//Apply
		switch (I18n.locale) {
			default:
				//Default language (English)
				set_trans({
					name: "Junction Angle Info",
					settingsTitle: "Junction Angle Info settings",
					resetToDefault: "Reset to default",
					defaultOn: "Show layer by default",
					aAbsolute: "Absolute",
					aDeparture: "Departure",
					angleMode: "Angle mode",
					angleDisplay: "Angle display style",
					angleDisplayArrows: "Direction arrows",
					displayFancy: "Fancy",
					displaySimple: "Simple",
					guess: "Estimate routing instructions",
					noInstructionColor: "Color for best continuation",
					keepInstructionColor: "Color for keep prompt",
					exitInstructionColor: "Color for exit prompt",
					turnInstructionColor: "Color for turn prompt",
					uTurnInstructionColor: "Color for U-turn prompt",
					noTurnColor: "Color for disallowed turns",
					problemColor: "Color for angles to avoid",
					roundaboutColor: "Color for non-normal roundabouts",
					roundaboutOverlayColor: "Color for roundabout overlay",
					roundaboutOverlayDisplay: "Show roundabout",
					rOverNever: "Never",
					rOverSelected: "When selected",
					rOverAlways: "Always",
					decimals: "Number of decimals",
					pointSize: "Base point size",

					roundaboutnav: "WIKI: Roundabouts",
					ghissues: "JAI issue tracker"
				});
				break;

			//Czech (čeština)
			case 'cs':
				set_trans({
					name: "Junction Angle Info",
					settingsTitle: "Nastavení JAI",
					resetToDefault: "Výchozí nastavení",
					defaultOn: "Vždy aktivní",
					aAbsolute: "Absolutní",
					aDeparture: "Odjezdový",
					angleMode: "Styl zobrazení úhlů",
					angleDisplay: "Styl výpisu úhlů",
					angleDisplayArrows: "Směrové šipky",
					displayFancy: "Zdobný",
					displaySimple: "Jednoduchý",
					guess: "Odhadovat navigační hlášky",
					noInstructionColor: "Bez hlášení",
					keepInstructionColor: "\"Držte se/Zůstaňte\"",
					exitInstructionColor: "\"Sjeďte\"",
					turnInstructionColor: "\"Odbočte\"",
					uTurnInstructionColor: "\"Otočte se\"",
					noTurnColor: "Nepovolené směry",
					problemColor: "Nejasné úhly",
					roundaboutColor: "Rozbité kruháče",
					roundaboutOverlayColor: "Kruháče",
					roundaboutOverlayDisplay: "ukazovat kruháče",
					rOverNever: "Ne-",
					rOverSelected: "Při výběru",
					rOverAlways: "Vždy",
					decimals: "Počet des. míst",
					pointSize: "Velikost písma",

					roundaboutnav: "US WIKI: Kruhové objezdy",
					ghissues: "Hlášení problémů JAI"
				});
				break;

			//Finnish (Suomen kieli)
			case 'fi':
				set_trans({
					name: "Risteyskulmat",
					settingsTitle: "Rysteyskulmien asetukset",
					resetToDefault: "Palauta",
					defaultOn: "Näytä taso oletuksena",
					aAbsolute: "Absoluuttinen",
					aDeparture: "Käännös",
					angleMode: "Kulmien näyttö",
					angleDisplay: "Näyttötyyli",
					angleDisplayArrows: "Suuntanuolet",
					displayFancy: "Nätti",
					displaySimple: "Yksinkertainen",
					guess: "Arvioi reititysohjeet",
					noInstructionColor: "Ohjeeton \"Suora\"-väri",
					keepInstructionColor: "\"Pysy vasemmalla/oikealla\"-ohjeen väri",
					exitInstructionColor: "\"Poistu\"-ohjeen väri",
					turnInstructionColor: "\"Käänny\"-ohjeen väri",
					uTurnInstructionColor: "\"Käänny ympäri\"-ohjeen väri",
					noTurnColor: "Kielletyn käännöksen väri",
					problemColor: "Vältettävien kulmien väri",
					roundaboutColor: "Liikenneympyrän (jolla ei-suoria kulmia) ohjeen väri",
					roundaboutOverlayColor: "Liikenneympyrän korostusväri",
					roundaboutOverlayDisplay: "Korosta liikenneympyrä",
					rOverNever: "Ei ikinä",
					rOverSelected: "Kun valittu",
					rOverAlways: "Aina",
					decimals: "Desimaalien määrä",
					pointSize: "Ympyrän peruskoko"
				});
				break;

			//Polish (język polski)
			case 'pl':
				set_trans({
					settingsTitle: "Ustawienia",
					resetToDefault: "Przywróć domyślne",
					defaultOn: "Pokazać warstwę domyślnie",
					aAbsolute: "Absolutne",
					aDeparture: "Rozjazdy",
					angleMode: "Tryb wyświetlania kątów",
					angleDisplay: "Styl kierunków",
					displayFancy: "Dwuliniowy",
					displaySimple: "Prosty",
					angleDisplayArrows: "Strzałki kierunków",
					guess: "Szacuj komunikaty trasy",
					noInstructionColor: "Kolor najlepszej kontynuacji",
					keepInstructionColor: "Kolor dla \"kieruj się\"",
					exitInstructionColor: "Kolor dla \"zjedź\"",
					turnInstructionColor: "Kolor dla \"skręć\"",
					uTurnInstructionColor: "Kolor dla \"zawróć\"",
					noTurnColor: "Kolor niedozwolonych manewrów",
					problemColor: "Kolor problematycznych kątów",
					roundaboutColor: "Kolor rond niestandardowych",
					roundaboutOverlayColor: "Kolor znacznika rond",
					roundaboutOverlayDisplay: "Pokazuj ronda",
					rOverNever: "Nigdy",
					rOverSelected: "Gdy zaznaczone",
					rOverAlways: "Zawsze",
					decimals: "Ilość cyfr po przecinku",
					pointSize: "Rozmiar punktów pomiaru"
				});
				break;

			//Russian (русский)
			case 'ru':
				set_trans({
					name: "Углы поворотов",
					settingsTitle: "Настройки Junction Angle Info",
					resetToDefault: "Сбросить настройки",
					defaultOn: "По умолчанию показывать",
					aAbsolute: "Абсолютные",
					aDeparture: "Повороты",
					angleMode: "- режим углов",
					angleDisplay: "- стиль отображения",
					angleDisplayArrows: "- стрелки направлений",
					displayFancy: "Модный",
					displaySimple: "Простой",
					guess: "Ожидаемые подсказки",
					noInstructionColor: "- нет подсказки",
					keepInstructionColor: "- держитесь",
					exitInstructionColor: "- съезд",
					turnInstructionColor: "- поверните",
					uTurnInstructionColor: "- развернитесь",
					noTurnColor: "- запрещённый манёвр",
					problemColor: "- угол следует избегать",
					roundaboutColor: "- некорректное кольцо",
					roundaboutOverlayColor: "- цвет кольца",
					roundaboutOverlayDisplay: "- показ колец",
					rOverNever: "Никогда",
					rOverSelected: "Если выбрано",
					rOverAlways: "Всегда",
					decimals: "- знаков после запятой",
					pointSize: "- размер кружка",

					roundaboutnav: "Вики: круговые перекрестки",
					ghissues: "Сообщить об ошибке"
				});
				break;

			//Swedish (svenska)
			case 'sv':
				set_trans({
					name: "Korsningsvinklar",
					settingsTitle: "Inställningar för korsningsvinklar",
					resetToDefault: "Återställ",
					defaultOn: "Visa skiktet som standard",
					aAbsolute: "Absolut",
					aDeparture: "Sväng",
					angleMode: "Vinkelvisning",
					angleDisplay: "Vinkelstil",
					angleDisplayArrows: "Riktningspilar",
					displayFancy: "Grafisk",
					displaySimple: "Simpel",
					guess: "Gissa navigeringsinstruktioner",
					noInstructionColor: "Färg för \"ingen instruktion\"",
					keepInstructionColor: "Färg för \"håll höger/vänster\"-instruktion",
					exitInstructionColor: "Färg för \"ta av\"-instruktion",
					turnInstructionColor: "Färg för \"sväng\"-instruktion",
					uTurnInstructionColor: "Färg för \"U-sväng\"-instruktion",
					noTurnColor: "Färg förbjuden sväng",
					problemColor: "Färg för vinklar att undvika",
					roundaboutColor: "Färg för rondell (med icke-räta vinklar)",
					roundaboutOverlayColor: "Färg för rondellcirkel",
					roundaboutOverlayDisplay: "Visa cirkel på rondell",
					rOverNever: "Aldrig",
					rOverSelected: "När vald",
					rOverAlways: "Alltid",
					decimals: "Decimaler",
					pointSize: "Cirkelns basstorlek"
				});
				break;

			//Ukrainian (український)
		 	case 'uk':
		    		set_trans({
			    		name: "Junction Angle Info",
			       		settingsTitle: "Налаштування Junction Angle Info",
					resetToDefault: "Скинути налаштування",
					defaultOn: "За замовчуванням показувати",
					aAbsolute: "Абсолютні",
					aDeparture: "Повороти",
					angleMode: "- режим кутів",
					angleDisplay: "- стиль відображення",
					angleDisplayArrows: "- стрілки напрямків",
					displayFancy: "Модний",
					displaySimple: "Простий",
					override: "Візуалізувати \"змінені підказки\"",
					overrideAngles: "Показувати кути для \"змінених підказок\"",
					guess: "Очікувані підказки:",
					noInstructionColor: "- немає підказки",
					continueInstructionColor: "- продовжуйте рух прямо",
					keepInstructionColor: "- тримайтеся",
					exitInstructionColor: "- з'їзд",
					turnInstructionColor: "- поверніть",
					uTurnInstructionColor: "- розверніться",
					noTurnColor: "- заборонений маневр",
					problemColor: "- кут слід уникати",
					roundaboutColor: "- некоректне кільце",
					roundaboutOverlayColor: "- колір кільця",
					roundaboutOverlayDisplay: "- показ кілець",
					rOverNever: "Ніколи",
					rOverSelected: "Якщо вибрано",
					rOverAlways: "Завжди",
					decimals: "- знаків після коми",
					pointSize: "- розмір шрифту",

					roundaboutnav: "WIKI: кругові перехрестя(en)",
					ghissues: "JAI - Повідомити про помилку"
				});
				break;
		}
	}


	/*
	 * Bootstrapping and logging
	 */

	function ja_bootstrap(retries) {
		retries = retries || 0;
		//If Waze has not been defined in ~15 seconds, it probably won't work anyway. Might need tuning
		//for really slow devices?
		if (retries >= 30) {
			ja_log("Failed to bootstrap 30 times. Giving up.", 0);
			return;
		}

		try {
			//User logged in and WME ready
			if (
				ja_is_model_ready() &&
				ja_is_dom_ready() &&
				getWaze().loginManager.isLoggedIn()) {
				setTimeout(function () {
					junctionangle_init();
				}, 500);
			}
			//Some part of the WME was not yet fully loaded. Retry.
			else {
				setTimeout(function () {
					ja_bootstrap(++retries);
				}, 500);
			}
		} catch (err) {
			ja_log(err, 1);
			setTimeout(function () {
				ja_bootstrap(++retries);
			}, 500);
		}
	}

	function ja_is_model_ready() {
		if(typeof getWaze() === 'undefined' || typeof getWaze().map === 'undefined') {
			return false;
		} else {
			return 'undefined' !== typeof getWaze().map.events.register &&
				'undefined' !== typeof getWaze().selectionManager.events.register &&
				'undefined' !== typeof getWaze().loginManager.events.register;
		}
	}

	function ja_is_dom_ready() {
		if(null === document.getElementById('user-info')) {
			return false;
		} else {
			return document.getElementById('user-info').getElementsByClassName('nav-tabs').length > 0 &&
				document.getElementById('user-info').getElementsByClassName('tab-content').length > 0;
		}
	}

	/**
	 * Debug logging.
	 * @param ja_log_msg
	 * @param ja_log_level
	 */
	function ja_log(ja_log_msg, ja_log_level) {
		//##NO_FF_START##
		//Firefox addons should not use console.(log|error|debug), so these lines
		//are removed by the FF addon packaging script.
		if(typeof ja_log_level === 'undefined') { ja_log_level = 1; }
		if (ja_log_level <= ja_debug) {
			if (typeof ja_log_msg === "object") {
				console.debug(ja_log_msg);
			}
			else {
				console.debug("WME Junction Angle: " + ja_log_msg);
			}
		}
		//##NO_FF_END##
	}

	ja_bootstrap();

}

//Dynamically create, add and run the script in the real page context. We really do need access to many of the objects...
var DLScript = document.createElement("script");
DLScript.textContent = '' +
	run_ja.toString() + ' \n' +
	'run_ja();';
DLScript.setAttribute("type", "application/javascript");
document.body.appendChild(DLScript);