/******************************************
Name:			base.js
Date:			28/04/2009
Author:			Andrei Vais
Description:	Base Javascript file
******************************************/

/****
Used for executing multiple functions on page load.
****/
function addLoadEvent(func)
{
	var oldonload = window.onload;

	if (typeof window.onload != 'function')
		window.onload = func;
	else
	{
		window.onload = function()
		{
			oldonload();
			func();
		}
	}
}

function addUnloadEvent(func)
{
	var oldonunload = window.onunload;

	if (typeof window.onunload != 'function')
		window.onunload = func;
	else
	{
		window.onunload = function()
		{
			oldonunload();
			func();
		}
	}
}


/*
	Written by Jonathan Snook, http://www.snook.ca/jonathan
	Add-ons by Robert Nyman, http://www.robertnyman.com
*/

function getElementsByClassName(oElm, strTagName, strClassName){
	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	strClassName = strClassName.replace(/\-/g, "\\-");
	var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
	var oElement;
	for(var i=0; i<arrElements.length; i++){
		oElement = arrElements[i];
		if(oRegExp.test(oElement.className)){
			arrReturnElements.push(oElement);
		}
	}
	return (arrReturnElements)
}