if(!self.addLoadEvent) {
	// appending the addLoadEvent method, if it hasn't been defined already
	// function written by Simon Willison (simon.incutio.com)
	function addLoadEvent(func) {
		var oldonload = window.onload;
		if (typeof(window.onload) != 'function') {
			window.onload = func;
		} else {
			window.onload = function() {
				oldonload();
				func();
			}
		}
	}
}