//MooTools More, <http://mootools.net/more>. Copyright (c) 2006-2009 Aaron Newton <http://clientcide.com/>, Valerio Proietti <http://mad4milk.net> & the MooTools team <http://mootools.net/developers>, MIT Style License.

MooTools.More={version:"1.2.4.4",build:"6f6057dc645fdb7547689183b2311063bd653ddf"};Class.Mutators.Binds=function(a){return a;};Class.Mutators.initialize=function(a){return function(){$splat(this.Binds).each(function(b){var c=this[b];
if(c){this[b]=c.bind(this);}},this);return a.apply(this,arguments);};};Hash.implement({getFromPath:function(a){var b=this.getClean();a.replace(/\[([^\]]+)\]|\.([^.[]+)|[^[.]+/g,function(c){if(!b){return null;
}var d=arguments[2]||arguments[1]||arguments[0];b=(d in b)?b[d]:null;return c;});return b;},cleanValues:function(a){a=a||$defined;this.each(function(c,b){if(!a(c)){this.erase(b);
}},this);return this;},run:function(){var a=arguments;this.each(function(c,b){if($type(c)=="function"){c.run(a);}});}});(function(){var b=["À","à","Á","á","Â","â","Ã","ã","Ä","ä","Å","å","Ă","ă","Ą","ą","Ć","ć","Č","č","Ç","ç","Ď","ď","Đ","đ","È","è","É","é","Ê","ê","Ë","ë","Ě","ě","Ę","ę","Ğ","ğ","Ì","ì","Í","í","Î","î","Ï","ï","Ĺ","ĺ","Ľ","ľ","Ł","ł","Ñ","ñ","Ň","ň","Ń","ń","Ò","ò","Ó","ó","Ô","ô","Õ","õ","Ö","ö","Ø","ø","ő","Ř","ř","Ŕ","ŕ","Š","š","Ş","ş","Ś","ś","Ť","ť","Ť","ť","Ţ","ţ","Ù","ù","Ú","ú","Û","û","Ü","ü","Ů","ů","Ÿ","ÿ","ý","Ý","Ž","ž","Ź","ź","Ż","ż","Þ","þ","Ð","ð","ß","Œ","œ","Æ","æ","µ"];
var a=["A","a","A","a","A","a","A","a","Ae","ae","A","a","A","a","A","a","C","c","C","c","C","c","D","d","D","d","E","e","E","e","E","e","E","e","E","e","E","e","G","g","I","i","I","i","I","i","I","i","L","l","L","l","L","l","N","n","N","n","N","n","O","o","O","o","O","o","O","o","Oe","oe","O","o","o","R","r","R","r","S","s","S","s","S","s","T","t","T","t","T","t","U","u","U","u","U","u","Ue","ue","U","u","Y","y","Y","y","Z","z","Z","z","Z","z","TH","th","DH","dh","ss","OE","oe","AE","ae","u"];
var d={"[\xa0\u2002\u2003\u2009]":" ","\xb7":"*","[\u2018\u2019]":"'","[\u201c\u201d]":'"',"\u2026":"...","\u2013":"-","\u2014":"--","\uFFFD":"&raquo;"};
var c=function(e,f){e=e||"";var g=f?"<"+e+"[^>]*>([\\s\\S]*?)</"+e+">":"</?"+e+"([^>]+)?>";reg=new RegExp(g,"gi");return reg;};String.implement({standardize:function(){var e=this;
b.each(function(g,f){e=e.replace(new RegExp(g,"g"),a[f]);});return e;},repeat:function(e){return new Array(e+1).join(this);},pad:function(f,h,e){if(this.length>=f){return this;
}var g=(h==null?" ":""+h).repeat(f-this.length).substr(0,f-this.length);if(!e||e=="right"){return this+g;}if(e=="left"){return g+this;}return g.substr(0,(g.length/2).floor())+this+g.substr(0,(g.length/2).ceil());
},getTags:function(e,f){return this.match(c(e,f))||[];},stripTags:function(e,f){return this.replace(c(e,f),"");},tidy:function(){var e=this.toString();
$each(d,function(g,f){e=e.replace(new RegExp(f,"g"),g);});return e;}});})();String.implement({parseQueryString:function(){var b=this.split(/[&;]/),a={};
if(b.length){b.each(function(g){var c=g.indexOf("="),d=c<0?[""]:g.substr(0,c).match(/[^\]\[]+/g),e=decodeURIComponent(g.substr(c+1)),f=a;d.each(function(j,h){var k=f[j];
if(h<d.length-1){f=f[j]=k||{};}else{if($type(k)=="array"){k.push(e);}else{f[j]=$defined(k)?[k,e]:e;}}});});}return a;},cleanQueryString:function(a){return this.split("&").filter(function(e){var b=e.indexOf("="),c=b<0?"":e.substr(0,b),d=e.substr(b+1);
return a?a.run([c,d]):$chk(d);}).join("&");}});Element.implement({measure:function(e){var g=function(h){return !!(!h||h.offsetHeight||h.offsetWidth);};
if(g(this)){return e.apply(this);}var d=this.getParent(),f=[],b=[];while(!g(d)&&d!=document.body){b.push(d.expose());d=d.getParent();}var c=this.expose();
var a=e.apply(this);c();b.each(function(h){h();});return a;},expose:function(){if(this.getStyle("display")!="none"){return $empty;}var a=this.style.cssText;
this.setStyles({display:"block",position:"absolute",visibility:"hidden"});return function(){this.style.cssText=a;}.bind(this);},getDimensions:function(a){a=$merge({computeSize:false},a);
var f={};var d=function(g,e){return(e.computeSize)?g.getComputedSize(e):g.getSize();};var b=this.getParent("body");if(b&&this.getStyle("display")=="none"){f=this.measure(function(){return d(this,a);
});}else{if(b){try{f=d(this,a);}catch(c){}}else{f={x:0,y:0};}}return $chk(f.x)?$extend(f,{width:f.x,height:f.y}):$extend(f,{x:f.width,y:f.height});},getComputedSize:function(a){a=$merge({styles:["padding","border"],plains:{height:["top","bottom"],width:["left","right"]},mode:"both"},a);
var c={width:0,height:0};switch(a.mode){case"vertical":delete c.width;delete a.plains.width;break;case"horizontal":delete c.height;delete a.plains.height;
break;}var b=[];$each(a.plains,function(g,f){g.each(function(h){a.styles.each(function(i){b.push((i=="border")?i+"-"+h+"-width":i+"-"+h);});});});var e={};
b.each(function(f){e[f]=this.getComputedStyle(f);},this);var d=[];$each(a.plains,function(g,f){var h=f.capitalize();c["total"+h]=c["computed"+h]=0;g.each(function(i){c["computed"+i.capitalize()]=0;
b.each(function(k,j){if(k.test(i)){e[k]=e[k].toInt()||0;c["total"+h]=c["total"+h]+e[k];c["computed"+i.capitalize()]=c["computed"+i.capitalize()]+e[k];}if(k.test(i)&&f!=k&&(k.test("border")||k.test("padding"))&&!d.contains(k)){d.push(k);
c["computed"+h]=c["computed"+h]-e[k];}});});});["Width","Height"].each(function(g){var f=g.toLowerCase();if(!$chk(c[f])){return;}c[f]=c[f]+this["offset"+g]+c["computed"+g];
c["total"+g]=c[f]+c["total"+g];delete c["computed"+g];},this);return $extend(e,c);}});Element.implement({isDisplayed:function(){return this.getStyle("display")!="none";
},isVisible:function(){var a=this.offsetWidth,b=this.offsetHeight;return(a==0&&b==0)?false:(a>0&&b>0)?true:this.isDisplayed();},toggle:function(){return this[this.isDisplayed()?"hide":"show"]();
},hide:function(){var b;try{b=this.getStyle("display");}catch(a){}return this.store("originalDisplay",b||"").setStyle("display","none");},show:function(a){a=a||this.retrieve("originalDisplay")||"block";
return this.setStyle("display",(a=="none")?"block":a);},swapClass:function(a,b){return this.removeClass(a).addClass(b);}});Fx.Elements=new Class({Extends:Fx.CSS,initialize:function(b,a){this.elements=this.subject=$$(b);
this.parent(a);},compute:function(g,h,j){var c={};for(var d in g){var a=g[d],e=h[d],f=c[d]={};for(var b in a){f[b]=this.parent(a[b],e[b],j);}}return c;
},set:function(b){for(var c in b){var a=b[c];for(var d in a){this.render(this.elements[c],d,a[d],this.options.unit);}}return this;},start:function(c){if(!this.check(c)){return this;
}var h={},j={};for(var d in c){var f=c[d],a=h[d]={},g=j[d]={};for(var b in f){var e=this.prepare(this.elements[d],b,f[b]);a[b]=e.from;g[b]=e.to;}}return this.parent(h,j);
}});Fx.Accordion=new Class({Extends:Fx.Elements,options:{display:0,show:false,height:true,width:false,opacity:true,alwaysHide:false,trigger:"click",initialDisplayFx:true,returnHeightToAuto:true},initialize:function(){var c=Array.link(arguments,{container:Element.type,options:Object.type,togglers:$defined,elements:$defined});
this.parent(c.elements,c.options);this.togglers=$$(c.togglers);this.previous=-1;this.internalChain=new Chain();if(this.options.alwaysHide){this.options.wait=true;
}if($chk(this.options.show)){this.options.display=false;this.previous=this.options.show;}if(this.options.start){this.options.display=false;this.options.show=false;
}this.effects={};if(this.options.opacity){this.effects.opacity="fullOpacity";}if(this.options.width){this.effects.width=this.options.fixedWidth?"fullWidth":"offsetWidth";
}if(this.options.height){this.effects.height=this.options.fixedHeight?"fullHeight":"scrollHeight";}for(var b=0,a=this.togglers.length;b<a;b++){this.addSection(this.togglers[b],this.elements[b]);
}this.elements.each(function(e,d){if(this.options.show===d){this.fireEvent("active",[this.togglers[d],e]);}else{for(var f in this.effects){e.setStyle(f,0);
}}},this);if($chk(this.options.display)||this.options.initialDisplayFx===false){this.display(this.options.display,this.options.initialDisplayFx);}if(this.options.fixedHeight!==false){this.options.returnHeightToAuto=false;
}this.addEvent("complete",this.internalChain.callChain.bind(this.internalChain));},addSection:function(e,c){e=document.id(e);c=document.id(c);var f=this.togglers.contains(e);
this.togglers.include(e);this.elements.include(c);var a=this.togglers.indexOf(e);var b=this.display.bind(this,a);e.store("accordion:display",b);e.addEvent(this.options.trigger,b);
if(this.options.height){c.setStyles({"padding-top":0,"border-top":"none","padding-bottom":0,"border-bottom":"none"});}if(this.options.width){c.setStyles({"padding-left":0,"border-left":"none","padding-right":0,"border-right":"none"});
}c.fullOpacity=1;if(this.options.fixedWidth){c.fullWidth=this.options.fixedWidth;}if(this.options.fixedHeight){c.fullHeight=this.options.fixedHeight;}c.setStyle("overflow","hidden");
if(!f){for(var d in this.effects){c.setStyle(d,0);}}return this;},detach:function(){this.togglers.each(function(a){a.removeEvent(this.options.trigger,a.retrieve("accordion:display"));
},this);},display:function(a,b){if(!this.check(a,b)){return this;}b=$pick(b,true);if(this.options.returnHeightToAuto){var d=this.elements[this.previous];
if(d&&!this.selfHidden){for(var c in this.effects){d.setStyle(c,d[this.effects[c]]);}}}a=($type(a)=="element")?this.elements.indexOf(a):a;if((this.timer&&this.options.wait)||(a===this.previous&&!this.options.alwaysHide)){return this;
}this.previous=a;var e={};this.elements.each(function(h,g){e[g]={};var f;if(g!=a){f=true;}else{if(this.options.alwaysHide&&((h.offsetHeight>0&&this.options.height)||h.offsetWidth>0&&this.options.width)){f=true;
this.selfHidden=true;}}this.fireEvent(f?"background":"active",[this.togglers[g],h]);for(var j in this.effects){e[g][j]=f?0:h[this.effects[j]];}},this);
this.internalChain.chain(function(){if(this.options.returnHeightToAuto&&!this.selfHidden){var f=this.elements[a];if(f){f.setStyle("height","auto");}}}.bind(this));
return b?this.start(e):this.set(e);}});var Accordion=new Class({Extends:Fx.Accordion,initialize:function(){this.parent.apply(this,arguments);var a=Array.link(arguments,{container:Element.type});
this.container=a.container;},addSection:function(c,b,e){c=document.id(c);b=document.id(b);var d=this.togglers.contains(c);var a=this.togglers.length;if(a&&(!d||e)){e=$pick(e,a-1);
c.inject(this.togglers[e],"before");b.inject(c,"after");}else{if(this.container&&!d){c.inject(this.container);b.inject(this.container);}}return this.parent.apply(this,arguments);
}});Fx.Scroll=new Class({Extends:Fx,options:{offset:{x:0,y:0},wheelStops:true},initialize:function(b,a){this.element=this.subject=document.id(b);this.parent(a);
var d=this.cancel.bind(this,false);if($type(this.element)!="element"){this.element=document.id(this.element.getDocument().body);}var c=this.element;if(this.options.wheelStops){this.addEvent("start",function(){c.addEvent("mousewheel",d);
},true);this.addEvent("complete",function(){c.removeEvent("mousewheel",d);},true);}},set:function(){var a=Array.flatten(arguments);if(Browser.Engine.gecko){a=[Math.round(a[0]),Math.round(a[1])];
}this.element.scrollTo(a[0],a[1]);},compute:function(c,b,a){return[0,1].map(function(d){return Fx.compute(c[d],b[d],a);});},start:function(c,g){if(!this.check(c,g)){return this;
}var e=this.element.getScrollSize(),b=this.element.getScroll(),d={x:c,y:g};for(var f in d){var a=e[f];if($chk(d[f])){d[f]=($type(d[f])=="number")?d[f]:a;
}else{d[f]=b[f];}d[f]+=this.options.offset[f];}return this.parent([b.x,b.y],[d.x,d.y]);},toTop:function(){return this.start(false,0);},toLeft:function(){return this.start(0,false);
},toRight:function(){return this.start("right",false);},toBottom:function(){return this.start(false,"bottom");},toElement:function(b){var a=document.id(b).getPosition(this.element);
return this.start(a.x,a.y);},scrollIntoView:function(c,e,d){e=e?$splat(e):["x","y"];var h={};c=document.id(c);var f=c.getPosition(this.element);var i=c.getSize();
var g=this.element.getScroll();var a=this.element.getSize();var b={x:f.x+i.x,y:f.y+i.y};["x","y"].each(function(j){if(e.contains(j)){if(b[j]>g[j]+a[j]){h[j]=b[j]-a[j];
}if(f[j]<g[j]){h[j]=f[j];}}if(h[j]==null){h[j]=g[j];}if(d&&d[j]){h[j]=h[j]+d[j];}},this);if(h.x!=g.x||h.y!=g.y){this.start(h.x,h.y);}return this;},scrollToCenter:function(c,e,d){e=e?$splat(e):["x","y"];
c=$(c);var h={},f=c.getPosition(this.element),i=c.getSize(),g=this.element.getScroll(),a=this.element.getSize(),b={x:f.x+i.x,y:f.y+i.y};["x","y"].each(function(j){if(e.contains(j)){h[j]=f[j]-(a[j]-i[j])/2;
}if(h[j]==null){h[j]=g[j];}if(d&&d[j]){h[j]=h[j]+d[j];}},this);if(h.x!=g.x||h.y!=g.y){this.start(h.x,h.y);}return this;}});var Drag=new Class({Implements:[Events,Options],options:{snap:6,unit:"px",grid:false,style:true,limit:false,handle:false,invert:false,preventDefault:false,stopPropagation:false,modifiers:{x:"left",y:"top"}},initialize:function(){var b=Array.link(arguments,{options:Object.type,element:$defined});
this.element=document.id(b.element);this.document=this.element.getDocument();this.setOptions(b.options||{});var a=$type(this.options.handle);this.handles=((a=="array"||a=="collection")?$$(this.options.handle):document.id(this.options.handle))||this.element;
this.mouse={now:{},pos:{}};this.value={start:{},now:{}};this.selection=(Browser.Engine.trident)?"selectstart":"mousedown";this.bound={start:this.start.bind(this),check:this.check.bind(this),drag:this.drag.bind(this),stop:this.stop.bind(this),cancel:this.cancel.bind(this),eventStop:$lambda(false)};
this.attach();},attach:function(){this.handles.addEvent("mousedown",this.bound.start);return this;},detach:function(){this.handles.removeEvent("mousedown",this.bound.start);
return this;},start:function(c){if(c.rightClick){return;}if(this.options.preventDefault){c.preventDefault();}if(this.options.stopPropagation){c.stopPropagation();
}this.mouse.start=c.page;this.fireEvent("beforeStart",this.element);var a=this.options.limit;this.limit={x:[],y:[]};for(var d in this.options.modifiers){if(!this.options.modifiers[d]){continue;
}if(this.options.style){this.value.now[d]=this.element.getStyle(this.options.modifiers[d]).toInt();}else{this.value.now[d]=this.element[this.options.modifiers[d]];
}if(this.options.invert){this.value.now[d]*=-1;}this.mouse.pos[d]=c.page[d]-this.value.now[d];if(a&&a[d]){for(var b=2;b--;b){if($chk(a[d][b])){this.limit[d][b]=$lambda(a[d][b])();
}}}}if($type(this.options.grid)=="number"){this.options.grid={x:this.options.grid,y:this.options.grid};}this.document.addEvents({mousemove:this.bound.check,mouseup:this.bound.cancel});
this.document.addEvent(this.selection,this.bound.eventStop);},check:function(a){if(this.options.preventDefault){a.preventDefault();}var b=Math.round(Math.sqrt(Math.pow(a.page.x-this.mouse.start.x,2)+Math.pow(a.page.y-this.mouse.start.y,2)));
if(b>this.options.snap){this.cancel();this.document.addEvents({mousemove:this.bound.drag,mouseup:this.bound.stop});this.fireEvent("start",[this.element,a]).fireEvent("snap",this.element);
}},drag:function(a){if(this.options.preventDefault){a.preventDefault();}this.mouse.now=a.page;for(var b in this.options.modifiers){if(!this.options.modifiers[b]){continue;
}this.value.now[b]=this.mouse.now[b]-this.mouse.pos[b];if(this.options.invert){this.value.now[b]*=-1;}if(this.options.limit&&this.limit[b]){if($chk(this.limit[b][1])&&(this.value.now[b]>this.limit[b][1])){this.value.now[b]=this.limit[b][1];
}else{if($chk(this.limit[b][0])&&(this.value.now[b]<this.limit[b][0])){this.value.now[b]=this.limit[b][0];}}}if(this.options.grid[b]){this.value.now[b]-=((this.value.now[b]-(this.limit[b][0]||0))%this.options.grid[b]);
}if(this.options.style){this.element.setStyle(this.options.modifiers[b],this.value.now[b]+this.options.unit);}else{this.element[this.options.modifiers[b]]=this.value.now[b];
}}this.fireEvent("drag",[this.element,a]);},cancel:function(a){this.document.removeEvent("mousemove",this.bound.check);this.document.removeEvent("mouseup",this.bound.cancel);
if(a){this.document.removeEvent(this.selection,this.bound.eventStop);this.fireEvent("cancel",this.element);}},stop:function(a){this.document.removeEvent(this.selection,this.bound.eventStop);
this.document.removeEvent("mousemove",this.bound.drag);this.document.removeEvent("mouseup",this.bound.stop);if(a){this.fireEvent("complete",[this.element,a]);
}}});Element.implement({makeResizable:function(a){var b=new Drag(this,$merge({modifiers:{x:"width",y:"height"}},a));this.store("resizer",b);return b.addEvent("drag",function(){this.fireEvent("resize",b);
}.bind(this));}});var Slider=new Class({Implements:[Events,Options],Binds:["clickedElement","draggedKnob","scrolledElement"],options:{onTick:function(a){if(this.options.snap){a=this.toPosition(this.step);
}this.knob.setStyle(this.property,a);},initialStep:0,snap:false,offset:0,range:false,wheel:false,steps:100,mode:"horizontal"},initialize:function(f,a,e){this.setOptions(e);
this.element=document.id(f);this.knob=document.id(a);this.previousChange=this.previousEnd=this.step=-1;var g,b={},d={x:false,y:false};switch(this.options.mode){case"vertical":this.axis="y";
this.property="top";g="offsetHeight";break;case"horizontal":this.axis="x";this.property="left";g="offsetWidth";}this.full=this.element.measure(function(){this.half=this.knob[g]/2;
return this.element[g]-this.knob[g]+(this.options.offset*2);}.bind(this));this.min=$chk(this.options.range[0])?this.options.range[0]:0;this.max=$chk(this.options.range[1])?this.options.range[1]:this.options.steps;
this.range=this.max-this.min;this.steps=this.options.steps||this.full;this.stepSize=Math.abs(this.range)/this.steps;this.stepWidth=this.stepSize*this.full/Math.abs(this.range);
this.knob.setStyle("position","relative").setStyle(this.property,this.options.initialStep?this.toPosition(this.options.initialStep):-this.options.offset);
d[this.axis]=this.property;b[this.axis]=[-this.options.offset,this.full-this.options.offset];var c={snap:0,limit:b,modifiers:d,onDrag:this.draggedKnob,onStart:this.draggedKnob,onBeforeStart:(function(){this.isDragging=true;
}).bind(this),onCancel:function(){this.isDragging=false;}.bind(this),onComplete:function(){this.isDragging=false;this.draggedKnob();this.end();}.bind(this)};
if(this.options.snap){c.grid=Math.ceil(this.stepWidth);c.limit[this.axis][1]=this.full;}this.drag=new Drag(this.knob,c);this.attach();},attach:function(){this.element.addEvent("mousedown",this.clickedElement);
if(this.options.wheel){this.element.addEvent("mousewheel",this.scrolledElement);}this.drag.attach();return this;},detach:function(){this.element.removeEvent("mousedown",this.clickedElement);
this.element.removeEvent("mousewheel",this.scrolledElement);this.drag.detach();return this;},set:function(a){if(!((this.range>0)^(a<this.min))){a=this.min;
}if(!((this.range>0)^(a>this.max))){a=this.max;}this.step=Math.round(a);this.checkStep();this.fireEvent("tick",this.toPosition(this.step));this.end();return this;
},clickedElement:function(c){if(this.isDragging||c.target==this.knob){return;}var b=this.range<0?-1:1;var a=c.page[this.axis]-this.element.getPosition()[this.axis]-this.half;
a=a.limit(-this.options.offset,this.full-this.options.offset);this.step=Math.round(this.min+b*this.toStep(a));this.checkStep();this.fireEvent("tick",a);
this.end();},scrolledElement:function(a){var b=(this.options.mode=="horizontal")?(a.wheel<0):(a.wheel>0);this.set(b?this.step-this.stepSize:this.step+this.stepSize);
a.stop();},draggedKnob:function(){var b=this.range<0?-1:1;var a=this.drag.value.now[this.axis];a=a.limit(-this.options.offset,this.full-this.options.offset);
this.step=Math.round(this.min+b*this.toStep(a));this.checkStep();},checkStep:function(){if(this.previousChange!=this.step){this.previousChange=this.step;
this.fireEvent("change",this.step);}},end:function(){if(this.previousEnd!==this.step){this.previousEnd=this.step;this.fireEvent("complete",this.step+"");
}},toStep:function(a){var b=(a+this.options.offset)*this.stepSize/this.full*this.steps;return this.options.steps?Math.round(b-=b%this.stepSize):b;},toPosition:function(a){return(this.full*Math.abs(this.min-a))/(this.steps*this.stepSize)-this.options.offset;
}});

/* A workaround for IE issues in mootools 1.2.1
 * - Recreates FX.Scroll() but utilises 1.2.0's getPosition/getOffset routines.
 */
Fx.Scroll2 = new Class({

    'Extends': Fx.Scroll,

    'styleString': Element.getComputedStyle,
    'styleNumber': function(element, style) {
        return this.styleString(element, style).toInt() || 0;
    },
    'borderBox': function(element) {
        return this.styleString(element, '-moz-box-sizing') == 'border-box';
    },
    'topBorder': function(element) {
        return this.styleNumber(element, 'border-top-width');
    },
    'leftBorder': function(element) {
        return this.styleNumber(element, 'border-left-width');
    },
    'isBody': function(element) {
        return (/^(?:body|html)$/i).test(element.tagName);
    },
    'toElement': function(el) {
        var offset   = {x: 0, y: 0};
        var element  = $(el);

        if (this.isBody(element)) {
            return offset;
        }
        var scroll = element.getScrolls();

        while (element && !this.isBody(element)){
            offset.x += element.offsetLeft;
            offset.y += element.offsetTop;

            if (Browser.Engine.gecko){
                if (!this.borderBox(element)){
                    offset.x += this.leftBorder(element);
                    offset.y += this.topBorder(element);
                }
                var parent = element.parentNode;
                if (parent && this.styleString(parent, 'overflow') != 'visible'){
                    offset.x += this.leftBorder(parent);
                    offset.y += this.topBorder(parent);
                }
            } else if (Browser.Engine.trident || Browser.Engine.webkit){
                offset.x += this.leftBorder(element);
                offset.y += this.topBorder(element);
            }

            element = element.offsetParent;
            if (Browser.Engine.trident) {
                while (element && !element.currentStyle.hasLayout) {
                    element = element.offsetParent;
                }
            }
        }
        if (Browser.Engine.gecko && !this.borderBox(element)){
            offset.x -= this.leftBorder(element);
            offset.y -= this.topBorder(element);
        }

        var relative = this.element;
        var relativePosition = (relative && (relative = $(relative))) ? relative.getPosition() : {x: 0, y: 0};
        var position = {x: offset.x - scroll.x, y: offset.y - scroll.y};

        return this.start(position.x - relativePosition.x, position.y - relativePosition.y);
    }
});