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

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