//thx http://www.dustindiaz.com/rock-solid-addevent/
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	}
	else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

function $E(el)
	{
	var e = $S('#'+el);
	if(e.length == 1)
		{
		return e[0];
		}
	return false;
	}