/* 
this is a stand alone script
can be called from other scripts if the scripts are in the proper order in the files head element
*/
function addLoadEvent(func) {
	//alert("hello from addLoadEvent");
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if (oldonload) {
				oldonload();
			}
			func();
		}
	}
}