function findselector(stylesheet,text){for(var r=0;r<stylesheet.cssRules.length;r++){if(stylesheet.cssRules[r]&&stylesheet.cssRules[r].selectorText==text)
return r;}
return null;}
function arraysubtract(base,subtract){var result=base.slice(0);var i=0;while(i<result.length){for(var j in subtract){if(result[i]==subtract[j]){result.splice(i,1);continue;}}
i++;}
return result;}
var m=new Element('featureDetect');m.style.cssText="-webkit-transform: scale(1); -moz-transform: scale(1); -o-transform: scale(1); -o-animation: 'animate' 2s ease 2;";var browsername='';if($defined(m.style['WebkitTransform']))browsername='-webkit';if($defined(m.style['MozTransform']))browsername='-moz';if($defined(m.style['OTransform']))browsername='-o';function CSSAnimation(stylesheet,override){this.stylesheet=stylesheet;this.keyframegroups=new Array();this.selectors=new Array();var m=new Element('featureDetect');m.style.cssText="-webkit-animation: 'animate' 2s ease 2;";this.browsertype=$defined(m.style['webkitAnimationName'])?'webkit-animation':'javascript';if(typeof override!='undefined')
this.browsertype=override;this.registerKeyframes=function(keyframes){keyframes.apply(this.stylesheet,this.browsertype);this.keyframegroups.push(keyframes);};this.registerSelector=function(selector){selector.apply(this.stylesheet,this.browsertype);this.selectors.push(selector);};if(this.browsertype=='webkit-animation'){this.animateToggleClasses=function(items){items.each(function(item){item.element.toggleClass(item.className);});};}else if(this.browsertype=='javascript'){this.animateToggleClasses=function(items){var before=new Array();var after=new Array();this.selectors.each(function(item){var found=$$(item.selectorText);if(found.length>0)
before.push(item.selectorText);});items.each(function(item){item.element.toggleClass(item.className);});this.selectors.each(function(item){var found=$$(item.selectorText);if(found.length>0)
after.push(item.selectorText);});var lost=arraysubtract(before,after);var gained=arraysubtract(after,before);this.selectors.each(function(selector){lost.each(function(selectorText){if(selector.selectorText==selectorText)
selector.stopAnimate('javascript');});});this.selectors.each(function(selector){gained.each(function(selectorText){if(selector.selectorText==selectorText){selector.startAnimate('javascript');}});});};}}
function CSSAnimKeyframes(name,frames){this.name=name;this.frames=frames;this.parsedFrames=new Array();this.apply=function(stylesheet,browsertype){if(browsertype=='webkit-animation'){var webkitcss='@-webkit-keyframes '+name+' {';for(var position in frames){webkitcss+=position+'% {'+frames[position].replace('transform',browsername+'-transform')+'} ';}
webkitcss+='}';stylesheet.insertRule(webkitcss,stylesheet.cssRules.length);}else if(browsertype=='javascript'){for(var position in frames){var rawdecs=frames[position].split(';');var declarations=new Array();rawdecs.each(function(dectext){if(dectext.trim()!=''){var bits=dectext.split(':');var pname=bits[0].trim();var value=bits[1]?bits[1].trim():'';var dec=new Object();dec.pname=pname;if(pname=='transform'){dec.type='transform';dec.transforms=new Array();bits=value.split(' ');bits.each(function(bit){var transparts=bit.split('(',2);var rawvalues=transparts[1].split(')',1);var rawvalues=rawvalues[0].split(',');var values=new Array();rawvalues.each(function(rawval){values.push({'value':parseFloat(rawval),'unit':rawval.replace(parseFloat(rawval),'')});});dec.transforms.push({'name':transparts[0],'values':values});});}else{dec.type='valueunit';dec.value=parseFloat(value);dec.unit=value.replace(dec.value,'');}
declarations.push(dec);}});this.parsedFrames.push({'position':position,'offset':position/100,'declarations':declarations});}}}}
function CSSAnimSelector(selectorText,keyframes,duration,timingfunction){this.selectorText=selectorText;this.keyframes=keyframes;this.duration=duration;this.timingfunction=timingfunction;this.fps=20;this.delay=(1/this.fps)*1000;this.apply=function(stylesheet,browsertype){if(browsertype=='webkit-animation'){var ruleindex=findselector(stylesheet,selectorText);if(ruleindex==null){var webkitcss=selectorText+' { -webkit-animation-name: '+keyframes.name+';  -webkit-animation-duration: '+duration+'ms;  -webkit-animation-timing-function: '+timingfunction+';  }';stylesheet.insertRule(webkitcss,stylesheet.cssRules.length);}else{var rule=stylesheet.cssRules[ruleindex];rule.style.webkitAnimationName=keyframes.name;rule.style.webkitAnimationDuration=duration+'ms';rule.style.webkitAnimationTimingFunction=timingfunction;}}else if(browsertype=='javascript'){}};this.aniStart=false;this.aniInterval=false;this.aniElements=false;this.stopAnimate=function(browsertype,self){if(browsertype!='javascript')return;if(!self)self=this;if(self.aniInterval){clearInterval(self.aniInterval);self.animateFrame(browsertype,self,1);self.aniInterval=false;self.aniStart=false;self.aniElements=false;}};this.startAnimate=function(browsertype){if(browsertype!='javascript')return;this.aniElements=$$(this.selectorText);var self=this;self.aniStart=(new Date()).getTime();self.animateFrame(browsertype,self);this.aniInterval=setInterval(function(){self.animateFrame(browsertype,self)},this.delay);};this.animateFrame=function(browsertype,self,override){var offset=((new Date()).getTime()-self.aniStart)/self.duration;if(typeof override!='undefined')
offset=override;if(offset>1){self.stopAnimate(browsertype,self);}else{var frames=self.keyframes.parsedFrames;var beginframe=null;var endframe=null;frames.each(function(frame,framei){if(framei<frames.length-1&&offset>=frame.offset){beginframe=frame;endframe=frames[framei+1];}});offset=(offset-beginframe.offset)/(endframe.offset-beginframe.offset);var offset=1- Math.sin((1- offset)*Math.PI/2);this.aniElements.each(function(elem){beginframe.declarations.each(function(dec,deci){if(dec.type=='valueunit'){var startval=dec.value;var endval=endframe.declarations[deci].value;var val=startval+(endval-startval)*offset;if(dec.pname=='z-index')
val=Math.floor(val);if(dec.unit==''&&endframe.declarations[deci].unit!='')
dec.unit=endframe.declarations[deci].unit;if(elem.style.setProperty)
elem.style.setProperty(dec.pname,val+dec.unit,null);else
elem.style[dec.pname]=val+dec.unit;}else if(dec.type=='transform'){var transformname=browsername+'-transform';var transformvalue='';dec.transforms.each(function(trans,transi){transformvalue+=trans.name+'(';trans.values.each(function(val,vali){var startval=val.value;var endval=endframe.declarations[deci].transforms[transi].values[vali].value;var midval=startval+(endval-startval)*offset;if(val.unit==''&&endframe.declarations[deci].transforms[transi].values[vali].unit!='')
val.unit=endframe.declarations[deci].transforms[transi].values[vali].unit;transformvalue+=midval+val.unit+((vali==trans.values.length-1)?'':',');});transformvalue+=') ';});if(elem.style.setProperty)
elem.style.setProperty(transformname,transformvalue,null);else
elem.style[transformname]=transformvalue;}});});}};}