cross-browser addEvent

addevent.js

Object.prototype.addEvent = function(evt, handler, useCapt) {
	//JUST A CHECK TO HANDLE “onclick” and “click” as evt
	if(evt.match(“^on”)) 
		evt = evt.substr(2);
	if(this.attachEvent) 
		return this.attachEvent('on' + evt, handler); // FOR IE
	else if(this.addEventListener) 
		return this.addEventListener(evt, handler, useCapt); // OTHERS
	else {
		//IF BOTH FAILS
		this[‘on’+evt] = handler;
		return this;
	}
}