//creates a list of functions to load once the window had finsihed loading avoiding cancelling of functions (only last one will run if you use window.onload(function)
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload !='function'){
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}