GMail Basic HTML Enhancement

Enhance GMail Basic HTML with "select all"

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

/**
 * @version	1.2
 * @author	Allen Choong
 * @created	2010-09-25
 *
 * Enhance GMail Basic HTML with "select all"
 *
 * Changelog:
 * 2013-05-03	1.2		Add the include for multiple login
 * 2010-10-01	1.1		Using addEventListener() to solve the problem for Google Chrome, because
 * Chrome does not use the unsafeWindow as the source. Thus, now compatible to both Firefox and Chrome
 */

// ==UserScript==
// @name           GMail Basic HTML Enhancement
// @namespace      http://allencch.wordpress.com
// @description    Enhance GMail Basic HTML with "select all"
// @include        https://mail.google.com/mail/*/h/*
// @include        https://mail.google.com/mail/h/*
// @version	1.2
// ==/UserScript==


gmSelect = function(check) {
	var inputs = document.getElementsByTagName('input');
	for(var i=0;i<inputs.length;i++) {
		if(inputs[i].type == 'checkbox') {
			inputs[i].checked = check;
		}
	}
}

gmSelectCheck = function() {
	select = this.innerHTML;
	if(select == "Select All")
		gmSelect(true);
	else
		gmSelect(false);
}


window.gmFunction = function() {
	var anchors,newElement;	
	anchors = document.getElementsByTagName('a');
	
	var refresh = new Array();
	

	newElement = document.createElement('div');
	newElement.setAttribute('name','gm_elem');
	
	
	//Find all the refresh
	for(var i=0,j=0;i<anchors.length;i++) {
		if(anchors[i].innerHTML.search(/Refresh/) >= 0) {
			anchors[i].parentNode.insertBefore(newElement.cloneNode(true),anchors[i].nextSibling);
		}
	}
	
	
	var gmElem = document.getElementsByName('gm_elem');
	for(var i=0;i<gmElem.length;i++) {
		gmElem[i].innerHTML = '<a name="gm_select" href="javascript:">Select All</a> ';
		gmElem[i].innerHTML += '<a name="gm_select" href="javascript:">Select None</a>';
	}
	
	//Using addEventListener() to solve the Chromium problem
	var select = document.getElementsByName('gm_select');
	for(var i=0;i<select.length;i++) {
		select[i].addEventListener('click',gmSelectCheck,false);
	}
}

window.setTimeout(gmFunction(),1*1000);