/***********************************************************************
 AddEvent Manager (c) 2005-2006 Angus Turnbull http://www.twinhelix.com
 Free usage permitted as long as this credit notice remains intact.
***********************************************************************/

if (typeof addEvent != 'function') {
	var addEvent = function(o, t, f, l) {
		var d = 'addEventListener', n = 'on' + t, rO = o, rT = t, rF = f, rL = l;
		if (o[d] && !l) return o[d](t, f, false);
		if (!o._evts) o._evts = {};
		if (!o._evts[t]) {
			o._evts[t] = o[n] ? { b: o[n] } : {};
			o[n] = new Function('e', 'var r = true, o = this, a = o._evts["' + t + '"], i; for (i in a) {' + 'o._f = a[i]; r = o._f(e||window.event) != false && r; o._f = null;' + '} return r');
			if (t != 'unload') addEvent(window, 'unload', function() {
 				removeEvent(rO, rT, rF, rL);
 				});
			}
		if (!f._i) f._i = addEvent._i++;
		o._evts[t][f._i] = f;
		};
	addEvent._i = 1;
	var removeEvent = function(o, t, f, l) {
		var d = 'removeEventListener';
		if (o[d] && !l) return o[d](t, f, false);
		if (o._evts && o._evts[t] && f._i) delete o._evts[t][f._i];
		};
	}
function cancelEvent(e, c) {
	e.returnValue = false;
	if (e.preventDefault) e.preventDefault();
	if (c) {
		e.cancelBubble = true;
		if (e.stopPropagation) e.stopPropagation();
		}
	};