var event = {
    
    addEvent: function(obj, type, fn) {
    	
    	if (obj.addEventListener) {
    		
    		obj.addEventListener(type, fn, false);
        	return true;
    
    	} else if (obj.attachEvent) {
    		
    		var r = obj.attachEvent('on' + type, fn);
        	return r;
    
    	} else {
    		
    		return true;
    	}
    
    }
    
}