/** Add a javascript function or raw code to the onload of the window */
function addToOnload(func)
{
	addLoadEvent(func);
}
function addLoadEvent(func)
{
	var oldonload = window.onload;
	if (typeof window.onload != 'function')
	{
		window.onload = func;
	}
	else
	{
		window.onload = function()
		{
			if (oldonload)
				oldonload();
			func();
		}
	}
}

addToOnload(function() {
	if (typeof page_loaded != 'undefined')
		page_loaded();
});