// JavaScript Document

var dom = {
	addListener: function(elm,type,func){
		if(!elm){
			return false;
		}
		if(elm.addEventListener){
			elm.addEventListener(type,func,false);
		}
		else if(elm.attachEvent){
			elm.attachEvent('on'+type,func);
		}
		else {
			return false;
		}
		return false;
	}
};