jQuery.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);
                }
        });