jQuery.timer=function(interval,callback) {	var interval=interval || 100;

	if(!callback)
		return false;
	
	_timer=function(interval,callback){
		this.stop=function(){
			clearInterval(self.id);
		};
		
		this.internalCallback=function(){
			callback(self);
		};
		
		this.reset=function(val){
			if(self.id)
				clearInterval(self.id);
			
			var val=val || 100;
			this.id=setInterval(this.internalCallback,val);
		};
		
		this.interval=interval;
		this.id=setInterval(this.internalCallback,this.interval);
		
		var self=this;
	};
	
	return new _timer(interval,callback);
 };