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/*
 *
 *      jQuery Timer plugin v0.1
 *              Matt Schmidt [http://www.mattptr.net]
 *
 *      Licensed under the MIT License
 *
 */
 
 jQuery.timer = function (interval, callback)
 {
 /**
  *
  * timer() provides a cleaner way to handle intervals  
  *
  *     @usage
  * $.timer(interval, callback);
  *
  *
  * @example
  * $.timer(1000, function (timer) {
  *     alert("hello");
  *     timer.stop();
  * });
  * @desc Show an alert box after 1 second and stop
  * 
  * @example
  * var second = false;
  *     $.timer(1000, function (timer) {
  *             if (!second) {
  *                     alert('First time!');
  *                     second = true;
  *                     timer.reset(3000);
  *             }
  *             else {
  *                     alert('Second time');
  *                     timer.stop();
  *             }
  *     });
  * @desc Show an alert box after 1 second and show another after 3 seconds
  *
  * 
  */

        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);
 };