// ==UserScript==
// @name Gmail from address selector
// @namespace test123
// @description Selects the from address of same domain your sending to
// @include http*://mail.google.tld/mail/*
// ==/UserScript==
//-----------------------------------------------------------
// set this to index of email address you want to use
// index of 1 would select the second email in the drop down list
// index of 2 would select the third email in the drop down list and so on,
//-----------------------------------------------------------
var emailIndex = 2;
//-----------------------------------------------------------
// Check for certain email addresses
// this can be changed
// currently changes from address if emails are sent to a .edu email address
//-----------------------------------------------------------
var email_regex = ".*(.edu).*";
document.addEventListener('click',function(event) {
if (event.target.id=='snd') {
// About to send the message
var to;
var cc;
var bcc;
var from;
to = document.getElementsByName('to')[0].value
cc = document.getElementsByName('cc')[0].value
bcc = document.getElementsByName('bcc')[0].value
from = document.getElementsByName('from')[0].value
//-----------------------------------------------------------
// Check for certain email addresses
// this can be changed
//-----------------------------------------------------------
var myTest=new RegExp(email_regex);
if(to.match(myTest) || cc.match(myTest) || bcc.match(myTest)){
var frombox = document.getElementsByName('from')[0]
//uncomment to figure out the number of the option you want to select
//or you can figure it out by looking at the drop down list
//first address is index 0, next is 1, ...
/*for (var i=0;i<frombox.options.length; i++) {
alert(frombox.options[i].value + ' ' + i);
}*/
frombox.selectedIndex = emailIndex;
//following line used for debugging the regular expression
//alert(frombox.length + ' ' + frombox.multiple + ' ' + frombox.options[2].value);
}
}
}, true);
