// Event-handling code from Scott Andrew

var isIE = !window.opera && navigator.userAgent.indexOf('MSIE') != -1;
var isOpera = navigator.userAgent.indexOf("Opera") > -1;
var isIE = navigator.userAgent.indexOf("MSIE") > 1 && !isOpera;
var isMoz = navigator.userAgent.indexOf("Mozilla/5.") == 0 && !isOpera;

function AddEvent( obj, evType, fn, useCapture )
{
	if (obj.addEventListener)
	{
		obj.addEventListener(evType, fn, useCapture);
		return true;
	}
	else if (obj.attachEvent)
	{
		var r = obj.attachEvent('on' + evType, fn);
		return r;
	}
	else
	{
		obj['on' + evType] = fn;
	}
}