/*
 * jQuery.timers - Timer abstractions for jQuery
 * Written by Blair Mitchelmore (blair DOT mitchelmore AT gmail DOT com)
 * Licensed under the WTFPL (http://sam.zoy.org/wtfpl/).
 * Date: 2008/08/26
 *
 * @author Blair Mitchelmore
 * @version 1.0.0
 *
 */
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)?$/,powers:{'ms':1,'cs':10,'ds':100,'s':1000,'das':10000,'hs':100000,'ks':1000000},timeParse:function(value){if(value==undefined||value==null)return null;var result=this.regex.exec(jQuery.trim(value.toString()));if(result[2]){var num=parseInt(result[1],10);var mult=this.powers[result[2]]||1;return num * mult;}else{return value;}},add:function(element,interval,label,fn,times,belay){var counter=0;if(jQuery.isFunction(label)){if(!times) times=fn;fn=label;label=interval;}interval=jQuery.timer.timeParse(interval);if(typeof interval !='number'||isNaN(interval)||interval<=0)return;if(times && times.constructor !=Number){belay=!!times;times=0;}times=times||0;belay=belay||false;if(!element.$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);}});