/* addLoadEvent 
Hat tip to http://simon.incutio.com/archive/2004/05/26/addLoadEvent

Sample uses
-----------
addLoadEvent(nameOfSomeFunctionToRunOnPageLoad);
addLoadEvent(function() 
{
  more code to run on page load
});
*/
function addLoadEvent(func) 
{
	var oldonload = window.onload;
	if (typeof window.onload != 'function') 
	{
		window.onload = func;
	} 
	else 
	{
		window.onload = function() 
		{
			if (oldonload) 
			{
				oldonload();
			}
			func();
		}
	}
}