ÿþjQuery.fn.extend({

	everyTime: function(interval, label, fn, times, belay) {

		return this.each(function() {

			jQuery.timer.add(this, interval, label, fn, times, belay);

		});

	},

	oneTime: function(interval, label, fn) {

		return this.each(function() {

			jQuery.timer.add(this, interval, label, fn, 1);

		});

	},

	stopTime: function(label, fn) {

		return this.each(function() {

			jQuery.timer.remove(this, label, fn);

		});

	}

});



jQuery.extend({

	timer: {

		guid: 1,

		global: {},

		regex: /^([0-9]+)\s*(.*s)?$/,

		powers: {

			// Yeah this is major overkill...

			'ms': 1,

			'cs': 10,

			'ds': 100,

			's': 1000,

			'das': 10000,

			'hs': 100000,

			'ks': 1000000

		},

		timeParse: function(value) {

			if (value == undefined || value == null)

				return null;

			var result = this.regex.exec(jQuery.trim(value.toString()));

			if (result[2]) {

				var num = parseInt(result[1], 10);

				var mult = this.powers[result[2]] || 1;

				return num * mult;

			} else {

				return value;

			}

		},

		add: function(element, interval, label, fn, times, belay) {

			var counter = 0;

			

			if (jQuery.isFunction(label)) {

				if (!times) 

					times = fn;

				fn = label;

				label = interval;

			}

			

			interval = jQuery.timer.timeParse(interval);



			if (typeof interval != 'number' || isNaN(interval) || interval <= 0)

				return;



			if (times && times.constructor != Number) {

				belay = !!times;

				times = 0;

			}

			

			times = times || 0;

			belay = belay || false;

			

			if (!element.$timers) 

				element.$timers = {};

			

			if (!element.$timers[label])

				element.$timers[label] = {};

			

			fn.$timerID = fn.$timerID || this.guid++;

			

			var handler = function() {

				if (belay && this.inProgress) 

					return;

				this.inProgress = true;

				if ((++counter > times && times !== 0) || fn.call(element, counter) === false)

					jQuery.timer.remove(element, label, fn);

				this.inProgress = false;

			};

			

			handler.$timerID = fn.$timerID;

			

			if (!element.$timers[label][fn.$timerID]) 

				element.$timers[label][fn.$timerID] = window.setInterval(handler,interval);

			

			if ( !this.global[label] )

				this.global[label] = [];

			this.global[label].push( element );

			

		},

		remove: function(element, label, fn) {

			var timers = element.$timers, ret;

			

			if ( timers ) {

				

				if (!label) {

					for ( label in timers )

						this.remove(element, label, fn);

				} else if ( timers[label] ) {

					if ( fn ) {

						if ( fn.$timerID ) {

							window.clearInterval(timers[label][fn.$timerID]);

							delete timers[label][fn.$timerID];

						}

					} else {

						for ( var fn in timers[label] ) {

							window.clearInterval(timers[label][fn]);

							delete timers[label][fn];

						}

					}

					

					for ( ret in timers[label] ) break;

					if ( !ret ) {

						ret = null;

						delete timers[label];

					}

				}

				

				for ( ret in timers ) break;

				if ( !ret ) 

					element.$timers = null;

			}

		}

	}

});



if (jQuery.browser.msie)

	jQuery(window).one("unload", function() {

		var global = jQuery.timer.global;

		for ( var label in global ) {

			var els = global[label], i = els.length;

			while ( --i )

				jQuery.timer.remove(els[i], label);

		}

	});