/** used for attaching multiple handlers to the load event **/

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