/*
 * @name BeautyTips
 * @desc a tooltips/baloon-help plugin for jQuery
 *
 * @author Jeff Robbins - Lullabot - http://www.lullabot.com
 * @version 0.9.5 release candidate 1  (5/20/2009)
 */
jQuery.bt={version:'0.9.5-rc1'};;(function($){jQuery.fn.bt=function(content,options){if(typeof content!='string'){var contentSelect=true;options=content;content=false;}
else{var contentSelect=false;}
if(jQuery.fn.hoverIntent&&jQuery.bt.defaults.trigger=='hover'){jQuery.bt.defaults.trigger='hoverIntent';}
return this.each(function(index){var opts=jQuery.extend(false,jQuery.bt.defaults,jQuery.bt.options,options);opts.spikeLength=numb(opts.spikeLength);opts.spikeGirth=numb(opts.spikeGirth);opts.overlap=numb(opts.overlap);var ajaxTimeout=false;if(opts.killTitle){$(this).find('[title]').andSelf().each(function(){if(!$(this).attr('bt-xTitle')){$(this).attr('bt-xTitle',$(this).attr('title')).attr('title','');}});}
if(typeof opts.trigger=='string'){opts.trigger=[opts.trigger];}
if(opts.trigger[0]=='hoverIntent'){var hoverOpts=jQuery.extend(opts.hoverIntentOpts,{over:function(){this.btOn();},out:function(){this.btOff();}});$(this).hoverIntent(hoverOpts);}
else if(opts.trigger[0]=='hover'){$(this).hover(function(){this.btOn();},function(){this.btOff();});}
else if(opts.trigger[0]=='now'){if($(this).hasClass('bt-active')){this.btOff();}
else{this.btOn();}}
else if(opts.trigger[0]=='none'){}
else if(opts.trigger.length>1&&opts.trigger[0]!=opts.trigger[1]){$(this).bind(opts.trigger[0],function(){this.btOn();}).bind(opts.trigger[1],function(){this.btOff();});}
else{$(this).bind(opts.trigger[0],function(){if($(this).hasClass('bt-active')){this.btOff();}
else{this.btOn();}});}
this.btOn=function(){if(typeof $(this).data('bt-box')=='object'){this.btOff();}
opts.preBuild.apply(this);$(jQuery.bt.vars.closeWhenOpenStack).btOff();$(this).addClass('bt-active '+opts.activeClass);if(contentSelect&&opts.ajaxPath==null){if(opts.killTitle){$(this).attr('title',$(this).attr('bt-xTitle'));}
content=$.isFunction(opts.contentSelector)?opts.contentSelector.apply(this):eval(opts.contentSelector);if(opts.killTitle){$(this).attr('title','');}}
if(opts.ajaxPath!=null&&content==false){if(typeof opts.ajaxPath=='object'){var url=eval(opts.ajaxPath[0]);url+=opts.ajaxPath[1]?' '+opts.ajaxPath[1]:'';}
else{var url=opts.ajaxPath;}
var off=url.indexOf(" ");if(off>=0){var selector=url.slice(off,url.length);url=url.slice(0,off);}
var cacheData=opts.ajaxCache?$(document.body).data('btCache-'+url.replace(/\./g,'')):null;if(typeof cacheData=='string'){content=selector?$("<div/>").append(cacheData.replace(/<script(.|\s)*?\/script>/g,"")).find(selector):cacheData;}
else{var target=this;var ajaxOpts=jQuery.extend(false,{type:opts.ajaxType,data:opts.ajaxData,cache:opts.ajaxCache,url:url,complete:function(XMLHttpRequest,textStatus){if(textStatus=='success'||textStatus=='notmodified'){if(opts.ajaxCache){$(document.body).data('btCache-'+url.replace(/\./g,''),XMLHttpRequest.responseText);}
ajaxTimeout=false;content=selector?$("<div/>").append(XMLHttpRequest.responseText.replace(/<script(.|\s)*?\/script>/g,"")).find(selector):XMLHttpRequest.responseText;}
else{if(textStatus=='timeout'){ajaxTimeout=true;}
content=opts.ajaxError.replace(/%error/g,XMLHttpRequest.statusText);}
if($(target).hasClass('bt-active')){target.btOn();}}},opts.ajaxOpts);jQuery.ajax(ajaxOpts);content=opts.ajaxLoading;}}
var shadowMarginX=0;var shadowMarginY=0;var shadowShiftX=0;var shadowShiftY=0;if(opts.shadow&&!shadowSupport()){opts.shadow=false;jQuery.extend(opts,opts.noShadowOpts);}
if(opts.shadow){if(opts.shadowBlur>Math.abs(opts.shadowOffsetX)){shadowMarginX=opts.shadowBlur*2;}
else{shadowMarginX=opts.shadowBlur+Math.abs(opts.shadowOffsetX);}
shadowShiftX=(opts.shadowBlur-opts.shadowOffsetX)>0?opts.shadowBlur-opts.shadowOffsetX:0;if(opts.shadowBlur>Math.abs(opts.shadowOffsetY)){shadowMarginY=opts.shadowBlur*2;}
else{shadowMarginY=opts.shadowBlur+Math.abs(opts.shadowOffsetY);}
shadowShiftY=(opts.shadowBlur-opts.shadowOffsetY)>0?opts.shadowBlur-opts.shadowOffsetY:0;}
if(opts.offsetParent){var offsetParent=$(opts.offsetParent);var offsetParentPos=offsetParent.offset();var pos=$(this).offset();var top=numb(pos.top)-numb(offsetParentPos.top)+numb($(this).css('margin-top'))-shadowShiftY;var left=numb(pos.left)-numb(offsetParentPos.left)+numb($(this).css('margin-left'))-shadowShiftX;}
else{var offsetParent=($(this).css('position')=='absolute')?$(this).parents().eq(0).offsetParent():$(this).offsetParent();var pos=$(this).btPosition();var top=numb(pos.top)+numb($(this).css('margin-top'))-shadowShiftY;var left=numb(pos.left)+numb($(this).css('margin-left'))-shadowShiftX;}
var width=$(this).btOuterWidth();var height=$(this).outerHeight();if(typeof content=='object'){if(content==null){return;}
var original=content;var clone=$(original).clone(true).show();var origClones=$(original).data('bt-clones')||[];origClones.push(clone);$(original).data('bt-clones',origClones);$(clone).data('bt-orig',original);$(this).data('bt-content-orig',{original:original,clone:clone});content=clone;}
if(typeof content=='null'||content==''){return;}
var $text=$('<div class="bt-content"></div>').append(content).css({padding:opts.padding,position:'absolute',width:(opts.shrinkToFit?'auto':opts.width),zIndex:opts.textzIndex,left:shadowShiftX,top:shadowShiftY}).css(opts.cssStyles);var $box=$('<div class="bt-wrapper"></div>').append($text).addClass(opts.cssClass).css({position:'absolute',width:opts.width,zIndex:opts.wrapperzIndex,visibility:'hidden'}).appendTo(offsetParent);if(jQuery.fn.bgiframe){$text.bgiframe();$box.bgiframe();}
$(this).data('bt-box',$box);var scrollTop=numb($(document).scrollTop());var scrollLeft=numb($(document).scrollLeft());var docWidth=numb($(window).width());var docHeight=numb($(window).height());var winRight=scrollLeft+docWidth;var winBottom=scrollTop+docHeight;var space=new Object();var thisOffset=$(this).offset();space.top=thisOffset.top-scrollTop;space.bottom=docHeight-((thisOffset+height)-scrollTop);space.left=thisOffset.left-scrollLeft;space.right=docWidth-((thisOffset.left+width)-scrollLeft);var textOutHeight=numb($text.outerHeight());var textOutWidth=numb($text.btOuterWidth());if(opts.positions.constructor==String){opts.positions=opts.positions.replace(/ /,'').split(',');}
if(opts.positions[0]=='most'){var position='top';for(var pig in space){position=space[pig]>space[position]?pig:position;}}
else{for(var x in opts.positions){var position=opts.positions[x];if((position=='left'||position=='right')&&space[position]>textOutWidth+opts.spikeLength){break;}
else if((position=='top'||position=='bottom')&&space[position]>textOutHeight+opts.spikeLength){break;}}}
var horiz=left+((width-textOutWidth)*.5);var vert=top+((height-textOutHeight)*.5);var points=new Array();var textTop,textLeft,textRight,textBottom,textTopSpace,textBottomSpace,textLeftSpace,textRightSpace,crossPoint,textCenter,spikePoint;switch(position){case'top':$text.css('margin-bottom',opts.spikeLength+'px');$box.css({top:(top-$text.outerHeight(true))+opts.overlap,left:horiz});textRightSpace=(winRight-opts.windowMargin)-($text.offset().left+$text.btOuterWidth(true));var xShift=shadowShiftX;if(textRightSpace<0){$box.css('left',(numb($box.css('left'))+textRightSpace)+'px');xShift-=textRightSpace;}
textLeftSpace=($text.offset().left+numb($text.css('margin-left')))-(scrollLeft+opts.windowMargin);if(textLeftSpace<0){$box.css('left',(numb($box.css('left'))-textLeftSpace)+'px');xShift+=textLeftSpace;}
textTop=$text.btPosition().top+numb($text.css('margin-top'));textLeft=$text.btPosition().left+numb($text.css('margin-left'));textRight=textLeft+$text.btOuterWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.btOuterWidth()*opts.centerPointX),y:textTop+($text.outerHeight()*opts.centerPointY)};points[points.length]=spikePoint={y:textBottom+opts.spikeLength,x:((textRight-textLeft)*.5)+xShift,type:'spike'};crossPoint=findIntersectX(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textBottom);crossPoint.x=crossPoint.x<textLeft+opts.spikeGirth/2+opts.cornerRadius?textLeft+opts.spikeGirth/2+opts.cornerRadius:crossPoint.x;crossPoint.x=crossPoint.x>(textRight-opts.spikeGirth/2)-opts.cornerRadius?(textRight-opts.spikeGirth/2)-opts.CornerRadius:crossPoint.x;points[points.length]={x:crossPoint.x-(opts.spikeGirth/2),y:textBottom,type:'join'};points[points.length]={x:textLeft,y:textBottom,type:'corner'};points[points.length]={x:textLeft,y:textTop,type:'corner'};points[points.length]={x:textRight,y:textTop,type:'corner'};points[points.length]={x:textRight,y:textBottom,type:'corner'};points[points.length]={x:crossPoint.x+(opts.spikeGirth/2),y:textBottom,type:'join'};points[points.length]=spikePoint;break;case'left':$text.css('margin-right',opts.spikeLength+'px');$box.css({top:vert+'px',left:((left-$text.btOuterWidth(true))+opts.overlap)+'px'});textBottomSpace=(winBottom-opts.windowMargin)-($text.offset().top+$text.outerHeight(true));var yShift=shadowShiftY;if(textBottomSpace<0){$box.css('top',(numb($box.css('top'))+textBottomSpace)+'px');yShift-=textBottomSpace;}
textTopSpace=($text.offset().top+numb($text.css('margin-top')))-(scrollTop+opts.windowMargin);if(textTopSpace<0){$box.css('top',(numb($box.css('top'))-textTopSpace)+'px');yShift+=textTopSpace;}
textTop=$text.btPosition().top+numb($text.css('margin-top'));textLeft=$text.btPosition().left+numb($text.css('margin-left'));textRight=textLeft+$text.btOuterWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.btOuterWidth()*opts.centerPointX),y:textTop+($text.outerHeight()*opts.centerPointY)};points[points.length]=spikePoint={x:textRight+opts.spikeLength,y:((textBottom-textTop)*.5)+yShift,type:'spike'};crossPoint=findIntersectY(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textRight);crossPoint.y=crossPoint.y<textTop+opts.spikeGirth/2+opts.cornerRadius?textTop+opts.spikeGirth/2+opts.cornerRadius:crossPoint.y;crossPoint.y=crossPoint.y>(textBottom-opts.spikeGirth/2)-opts.cornerRadius?(textBottom-opts.spikeGirth/2)-opts.cornerRadius:crossPoint.y;points[points.length]={x:textRight,y:crossPoint.y+opts.spikeGirth/2,type:'join'};points[points.length]={x:textRight,y:textBottom,type:'corner'};points[points.length]={x:textLeft,y:textBottom,type:'corner'};points[points.length]={x:textLeft,y:textTop,type:'corner'};points[points.length]={x:textRight,y:textTop,type:'corner'};points[points.length]={x:textRight,y:crossPoint.y-opts.spikeGirth/2,type:'join'};points[points.length]=spikePoint;break;case'bottom':$text.css('margin-top',opts.spikeLength+'px');$box.css({top:(top+height)-opts.overlap,left:horiz});textRightSpace=(winRight-opts.windowMargin)-($text.offset().left+$text.btOuterWidth(true));var xShift=shadowShiftX;if(textRightSpace<0){$box.css('left',(numb($box.css('left'))+textRightSpace)+'px');xShift-=textRightSpace;}
textLeftSpace=($text.offset().left+numb($text.css('margin-left')))-(scrollLeft+opts.windowMargin);if(textLeftSpace<0){$box.css('left',(numb($box.css('left'))-textLeftSpace)+'px');xShift+=textLeftSpace;}
textTop=$text.btPosition().top+numb($text.css('margin-top'));textLeft=$text.btPosition().left+numb($text.css('margin-left'));textRight=textLeft+$text.btOuterWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.btOuterWidth()*opts.centerPointX),y:textTop+($text.outerHeight()*opts.centerPointY)};points[points.length]=spikePoint={x:((textRight-textLeft)*.5)+xShift,y:shadowShiftY,type:'spike'};crossPoint=findIntersectX(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textTop);crossPoint.x=crossPoint.x<textLeft+opts.spikeGirth/2+opts.cornerRadius?textLeft+opts.spikeGirth/2+opts.cornerRadius:crossPoint.x;crossPoint.x=crossPoint.x>(textRight-opts.spikeGirth/2)-opts.cornerRadius?(textRight-opts.spikeGirth/2)-opts.cornerRadius:crossPoint.x;points[points.length]={x:crossPoint.x+opts.spikeGirth/2,y:textTop,type:'join'};points[points.length]={x:textRight,y:textTop,type:'corner'};points[points.length]={x:textRight,y:textBottom,type:'corner'};points[points.length]={x:textLeft,y:textBottom,type:'corner'};points[points.length]={x:textLeft,y:textTop,type:'corner'};points[points.length]={x:crossPoint.x-(opts.spikeGirth/2),y:textTop,type:'join'};points[points.length]=spikePoint;break;case'right':$text.css('margin-left',(opts.spikeLength+'px'));$box.css({top:vert+'px',left:((left+width)-opts.overlap)+'px'});textBottomSpace=(winBottom-opts.windowMargin)-($text.offset().top+$text.outerHeight(true));var yShift=shadowShiftY;if(textBottomSpace<0){$box.css('top',(numb($box.css('top'))+textBottomSpace)+'px');yShift-=textBottomSpace;}
textTopSpace=($text.offset().top+numb($text.css('margin-top')))-(scrollTop+opts.windowMargin);if(textTopSpace<0){$box.css('top',(numb($box.css('top'))-textTopSpace)+'px');yShift+=textTopSpace;}
textTop=$text.btPosition().top+numb($text.css('margin-top'));textLeft=$text.btPosition().left+numb($text.css('margin-left'));textRight=textLeft+$text.btOuterWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.btOuterWidth()*opts.centerPointX),y:textTop+($text.outerHeight()*opts.centerPointY)};points[points.length]=spikePoint={x:shadowShiftX,y:((textBottom-textTop)*.5)+yShift,type:'spike'};crossPoint=findIntersectY(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textLeft);crossPoint.y=crossPoint.y<textTop+opts.spikeGirth/2+opts.cornerRadius?textTop+opts.spikeGirth/2+opts.cornerRadius:crossPoint.y;crossPoint.y=crossPoint.y>(textBottom-opts.spikeGirth/2)-opts.cornerRadius?(textBottom-opts.spikeGirth/2)-opts.cornerRadius:crossPoint.y;points[points.length]={x:textLeft,y:crossPoint.y-opts.spikeGirth/2,type:'join'};points[points.length]={x:textLeft,y:textTop,type:'corner'};points[points.length]={x:textRight,y:textTop,type:'corner'};points[points.length]={x:textRight,y:textBottom,type:'corner'};points[points.length]={x:textLeft,y:textBottom,type:'corner'};points[points.length]={x:textLeft,y:crossPoint.y+opts.spikeGirth/2,type:'join'};points[points.length]=spikePoint;break;}
var canvas=document.createElement('canvas');$(canvas).attr('width',(numb($text.btOuterWidth(true))+opts.strokeWidth*2+shadowMarginX)).attr('height',(numb($text.outerHeight(true))+opts.strokeWidth*2+shadowMarginY)).appendTo($box).css({position:'absolute',zIndex:opts.boxzIndex});if(typeof G_vmlCanvasManager!='undefined'){canvas=G_vmlCanvasManager.initElement(canvas);}
if(opts.cornerRadius>0){var newPoints=new Array();var newPoint;for(var i=0;i<points.length;i++){if(points[i].type=='corner'){newPoint=betweenPoint(points[i],points[(i-1)%points.length],opts.cornerRadius);newPoint.type='arcStart';newPoints[newPoints.length]=newPoint;newPoints[newPoints.length]=points[i];newPoint=betweenPoint(points[i],points[(i+1)%points.length],opts.cornerRadius);newPoint.type='arcEnd';newPoints[newPoints.length]=newPoint;}
else{newPoints[newPoints.length]=points[i];}}
points=newPoints;}
var ctx=canvas.getContext("2d");if(opts.shadow&&opts.shadowOverlap!==true){var shadowOverlap=numb(opts.shadowOverlap);switch(position){case'top':if(opts.shadowOffsetX+opts.shadowBlur-shadowOverlap>0){$box.css('top',(numb($box.css('top'))-(opts.shadowOffsetX+opts.shadowBlur-shadowOverlap)));}
break;case'right':if(shadowShiftX-shadowOverlap>0){$box.css('left',(numb($box.css('left'))+shadowShiftX-shadowOverlap));}
break;case'bottom':if(shadowShiftY-shadowOverlap>0){$box.css('top',(numb($box.css('top'))+shadowShiftY-shadowOverlap));}
break;case'left':if(opts.shadowOffsetY+opts.shadowBlur-shadowOverlap>0){$box.css('left',(numb($box.css('left'))-(opts.shadowOffsetY+opts.shadowBlur-shadowOverlap)));}
break;}}
drawIt.apply(ctx,[points],opts.strokeWidth);ctx.fillStyle=opts.fill;if(opts.shadow){ctx.shadowOffsetX=opts.shadowOffsetX;ctx.shadowOffsetY=opts.shadowOffsetY;ctx.shadowBlur=opts.shadowBlur;ctx.shadowColor=opts.shadowColor;}
ctx.closePath();ctx.fill();if(opts.strokeWidth>0){ctx.shadowColor='rgba(0, 0, 0, 0)';ctx.lineWidth=opts.strokeWidth;ctx.strokeStyle=opts.strokeStyle;ctx.beginPath();drawIt.apply(ctx,[points],opts.strokeWidth);ctx.closePath();ctx.stroke();}
opts.preShow.apply(this,[$box[0]]);$box.css({display:'none',visibility:'visible'});opts.showTip.apply(this,[$box[0]]);if(opts.overlay){var overlay=$('<div class="bt-overlay"></div>').css({position:'absolute',backgroundColor:'blue',top:top,left:left,width:width,height:height,opacity:'.2'}).appendTo(offsetParent);$(this).data('overlay',overlay);}
if((opts.ajaxPath!=null&&opts.ajaxCache==false)||ajaxTimeout){content=false;}
if(opts.clickAnywhereToClose){jQuery.bt.vars.clickAnywhereStack.push(this);$(document).click(jQuery.bt.docClick);}
if(opts.closeWhenOthersOpen){jQuery.bt.vars.closeWhenOpenStack.push(this);}
opts.postShow.apply(this,[$box[0]]);currentDiv=this;$(".bt-content").mouseout(function(){$(currentDiv).trigger('btContentHover');});};this.btOff=function(){var box=$(this).data('bt-box');if(typeof box=='undefined'){return;}
opts.preHide.apply(this,[box]);var i=this;i.btCleanup=function(){var box=$(i).data('bt-box');var contentOrig=$(i).data('bt-content-orig');var overlay=$(i).data('bt-overlay');if(typeof box=='object'){$(box).remove();$(i).removeData('bt-box');}
if(typeof contentOrig=='object'){var clones=$(contentOrig.original).data('bt-clones');$(contentOrig).data('bt-clones',arrayRemove(clones,contentOrig.clone));}
if(typeof overlay=='object'){$(overlay).remove();$(i).removeData('bt-overlay');}
jQuery.bt.vars.clickAnywhereStack=arrayRemove(jQuery.bt.vars.clickAnywhereStack,i);jQuery.bt.vars.closeWhenOpenStack=arrayRemove(jQuery.bt.vars.closeWhenOpenStack,i);$(i).removeClass('bt-active '+opts.activeClass);opts.postHide.apply(i);}
opts.hideTip.apply(this,[box,i.btCleanup]);};var refresh=this.btRefresh=function(){this.btOff();this.btOn();};});function drawIt(points,strokeWidth){this.moveTo(points[0].x,points[0].y);for(i=1;i<points.length;i++){if(points[i-1].type=='arcStart'){this.quadraticCurveTo(round5(points[i].x,strokeWidth),round5(points[i].y,strokeWidth),round5(points[(i+1)%points.length].x,strokeWidth),round5(points[(i+1)%points.length].y,strokeWidth));i++;}
else{this.lineTo(round5(points[i].x,strokeWidth),round5(points[i].y,strokeWidth));}}};function round5(num,strokeWidth){var ret;strokeWidth=numb(strokeWidth);if(strokeWidth%2){ret=num;}
else{ret=Math.round(num-.5)+.5;}
return ret;};function numb(num){return parseInt(num)||0;};function arrayRemove(arr,elem){var x,newArr=new Array();for(x in arr){if(arr[x]!=elem){newArr.push(arr[x]);}}
return newArr;};function canvasSupport(){var canvas_compatible=false;try{canvas_compatible=!!(document.createElement('canvas').getContext('2d'));}catch(e){canvas_compatible=!!(document.createElement('canvas').getContext);}
return canvas_compatible;}
function shadowSupport(){try{var userAgent=navigator.userAgent.toLowerCase();if(/webkit/.test(userAgent)){return true;}
else if(/gecko|mozilla/.test(userAgent)&&parseFloat(userAgent.match(/firefox\/(\d+(?:\.\d+)+)/)[1])>=3.1){return true;}}
catch(err){}
return false;}
function betweenPoint(point1,point2,dist){var y,x;if(point1.x==point2.x){y=point1.y<point2.y?point1.y+dist:point1.y-dist;return{x:point1.x,y:y};}
else if(point1.y==point2.y){x=point1.x<point2.x?point1.x+dist:point1.x-dist;return{x:x,y:point1.y};}};function centerPoint(arcStart,corner,arcEnd){var x=corner.x==arcStart.x?arcEnd.x:arcStart.x;var y=corner.y==arcStart.y?arcEnd.y:arcStart.y;var startAngle,endAngle;if(arcStart.x<arcEnd.x){if(arcStart.y>arcEnd.y){startAngle=(Math.PI/180)*180;endAngle=(Math.PI/180)*90;}
else{startAngle=(Math.PI/180)*90;endAngle=0;}}
else{if(arcStart.y>arcEnd.y){startAngle=(Math.PI/180)*270;endAngle=(Math.PI/180)*180;}
else{startAngle=0;endAngle=(Math.PI/180)*270;}}
return{x:x,y:y,type:'center',startAngle:startAngle,endAngle:endAngle};};function findIntersect(r1x1,r1y1,r1x2,r1y2,r2x1,r2y1,r2x2,r2y2){if(r2x1==r2x2){return findIntersectY(r1x1,r1y1,r1x2,r1y2,r2x1);}
if(r2y1==r2y2){return findIntersectX(r1x1,r1y1,r1x2,r1y2,r2y1);}
var r1m=(r1y1-r1y2)/(r1x1-r1x2);var r1b=r1y1-(r1m*r1x1);var r2m=(r2y1-r2y2)/(r2x1-r2x2);var r2b=r2y1-(r2m*r2x1);var x=(r2b-r1b)/(r1m-r2m);var y=r1m*x+r1b;return{x:x,y:y};};function findIntersectY(r1x1,r1y1,r1x2,r1y2,x){if(r1y1==r1y2){return{x:x,y:r1y1};}
var r1m=(r1y1-r1y2)/(r1x1-r1x2);var r1b=r1y1-(r1m*r1x1);var y=r1m*x+r1b;return{x:x,y:y};};function findIntersectX(r1x1,r1y1,r1x2,r1y2,y){if(r1x1==r1x2){return{x:r1x1,y:y};}
var r1m=(r1y1-r1y2)/(r1x1-r1x2);var r1b=r1y1-(r1m*r1x1);var x=(y-r1b)/r1m;return{x:x,y:y};};};jQuery.fn.btPosition=function(){function num(elem,prop){return elem[0]&&parseInt(jQuery(elem[0]).css(prop),10)||0;};var left=0,top=0,results;if(this[0]){var offsetParent=this.offsetParent(),offset=this.offset(),parentOffset=/^body|html$/i.test(offsetParent[0].tagName)?{top:0,left:0}:offsetParent.offset();offset.top-=num(this,'marginTop');offset.left-=num(this,'marginLeft');parentOffset.top+=num(offsetParent,'borderTopWidth');parentOffset.left+=num(offsetParent,'borderLeftWidth');results={top:offset.top-parentOffset.top,left:offset.left-parentOffset.left};}
return results;};jQuery.fn.btOuterWidth=function(margin){function num(elem,prop){return elem[0]&&parseInt(jQuery(elem[0]).css(prop),10)||0;};return this["innerWidth"]()
+num(this,"borderLeftWidth")
+num(this,"borderRightWidth")
+(margin?num(this,"marginLeft")
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