function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}
function addEvent(oObject, eEvent, fFunc) {
	var oldEvent = oObject[eEvent];
	if(typeof oObject[eEvent] != "function"){
		oObject[eEvent] = fFunc;
	} else {
		oObject[eEvent] = function(){
			oldEvent();
			fFunc();
		}
	}
}