jQuery.fn.bt=function(content,options){if(typeof content!='string'){var contentSelect=true;options=content;content=false;}
else{var contentSelect=false;}
return this.each(function(index){var opts=jQuery.extend(false,jQuery.fn.bt.defaults,options);opts.spikeLength=numb(opts.spikeLength);opts.spikeGirth=numb(opts.spikeGirth);opts.overlap=numb(opts.overlap);var turnOn=function(){if(typeof $(this).data('bt-box')=='object'){turnOff.apply(this);}
opts.preShow.apply(this);if(contentSelect){if(opts.killTitle){$(this).attr('title',$(this).attr('bt-xTitle'));}
content=eval('$(this).'+opts.titleSelector);if(opts.killTitle){$(this).removeAttr('title');}}
var offsetParent=$(this).offsetParent();var pos=$(this).btPosition();var top=numb(pos.top)+numb($(this).css('margin-top'));var left=numb(pos.left)+numb($(this).css('margin-left'));var width=$(this).outerWidth();var height=$(this).outerHeight();var $text=$('<div class="bt-content"></div>').append(content).css({padding:opts.padding+'px',position:'absolute',width:opts.width+'px',zIndex:opts.textzIndex}).css(opts.cssStyles);var $box=$('<div class="bt-wrapper"></div>').append($text).addClass(opts.cssClass).css({position:'absolute',width:opts.width+'px'}).appendTo(offsetParent);$(this).data('bt-box',$box);var scrollTop=numb($(document).scrollTop());var scrollLeft=numb($(document).scrollLeft());var docWidth=numb($(window).width());var docHeight=numb($(window).height());var winRight=scrollLeft+docWidth;var winBottom=scrollTop+docHeight;var space=new Object();space.top=$(this).offset().top-scrollTop;space.bottom=docHeight-(($(this).offset().top+height)-scrollTop);space.left=$(this).offset().left-scrollLeft;space.right=docWidth-(($(this).offset().left+width)-scrollLeft);var textOutHeight=numb($text.outerHeight());var textOutWidth=numb($text.outerWidth());if(opts.positions.constructor==String){opts.positions=opts.positions.replace(/ /,'').split(',');}
if(opts.positions[0]=='most'){var position='top';for(var pig in space){position=space[pig]>space[position]?pig:position;}}
else{for(var x in opts.positions){var position=opts.positions[x];if((position=='left'||position=='right')&&space[position]>textOutWidth+opts.spikeLength){break;}
else if((position=='top'||position=='bottom')&&space[position]>textOutHeight+opts.spikeLength){break;}}}
var horiz=left+((width-textOutWidth)/2);var vert=top+((height-textOutHeight)/2);var animDist=opts.animate?numb(opts.distance):0;var points=new Array();var textTop,textLeft,textRight,textBottom,textTopSpace,textBottomSpace,textLeftSpace,textRightSpace,crossPoint,textCenter;switch(position){case'top':$text.css('margin-bottom',opts.spikeLength+'px');$box.css({top:(top-$text.outerHeight(true)-animDist)+opts.overlap,left:horiz});textRightSpace=(winRight-opts.windowMargin)-($text.offset().left+$text.outerWidth(true));var xShift=0;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+$text.outerWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.outerWidth()/2),y:textTop+($text.outerHeight()/2)};points[points.length]=spikePoint={y:textBottom+opts.spikeLength,x:((textRight-textLeft)/2)+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-$text.outerWidth(true)-animDist)+opts.overlap)+'px'});textBottomSpace=(winBottom-opts.windowMargin)-($text.offset().top+$text.outerHeight(true));var yShift=0;if(textBottomSpace<0){$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.outerWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.outerWidth()/2),y:textTop+($text.outerHeight()/2)};points[points.length]=spikePoint={x:textRight+opts.spikeLength,y:((textBottom-textTop)/2)+yShift,type:'spike'};crossPoint=findIntersectY(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textRight);crossPoint.y=crossPoint.y<textTop+opts.spikeGirth/2+opts.cornerRadius?textTop+opts.spikeGirth/2+opts.cornerRadius:crossPoint.y;crossPoint.y=crossPoint.y>(textBottom-opts.spikeGirth/2)-opts.cornerRadius?(textBottom-opts.spikeGirth/2)-opts.cornerRadius:crossPoint.y;points[points.length]={x:textRight,y:crossPoint.y+opts.spikeGirth/2,type:'join'};points[points.length]={x:textRight,y:textBottom,type:'corner'};points[points.length]={x:textLeft,y:textBottom,type:'corner'};points[points.length]={x:textLeft,y:textTop,type:'corner'};points[points.length]={x:textRight,y:textTop,type:'corner'};points[points.length]={x:textRight,y:crossPoint.y-opts.spikeGirth/2,type:'join'};points[points.length]=spikePoint;break;case'bottom':$text.css('margin-top',opts.spikeLength+'px');$box.css({top:(top+height+animDist)-opts.overlap,left:horiz});textRightSpace=(winRight-opts.windowMargin)-($text.offset().left+$text.outerWidth(true));var xShift=0;if(textRightSpace<0){$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.outerWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.outerWidth()/2),y:textTop+($text.outerHeight()/2)};points[points.length]=spikePoint={x:((textRight-textLeft)/2)+xShift,y:0,type:'spike'};crossPoint=findIntersectX(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textTop);crossPoint.x=crossPoint.x<textLeft+opts.spikeGirth/2+opts.cornerRadius?textLeft+opts.spikeGirth/2+opts.cornerRadius:crossPoint.x;crossPoint.x=crossPoint.x>(textRight-opts.spikeGirth/2)-opts.cornerRadius?(textRight-opts.spikeGirth/2)-opts.cornerRadius:crossPoint.x;points[points.length]={x:crossPoint.x+opts.spikeGirth/2,y:textTop,type:'join'};points[points.length]={x:textRight,y:textTop,type:'corner'};points[points.length]={x:textRight,y:textBottom,type:'corner'};points[points.length]={x:textLeft,y:textBottom,type:'corner'};points[points.length]={x:textLeft,y:textTop,type:'corner'};points[points.length]={x:crossPoint.x-(opts.spikeGirth/2),y:textTop,type:'join'};points[points.length]=spikePoint;break;case'right':$text.css('margin-left',(opts.spikeLength+'px'));$box.css({top:vert+'px',left:((left+width+animDist)-opts.overlap)+'px'});textBottomSpace=(winBottom-opts.windowMargin)-($text.offset().top+$text.outerHeight(true));var yShift=0;if(textBottomSpace<0){$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.outerWidth();textBottom=textTop+$text.outerHeight();textCenter={x:textLeft+($text.outerWidth()/2),y:textTop+($text.outerHeight()/2)};points[points.length]=spikePoint={x:0,y:((textBottom-textTop)/2)+yShift,type:'spike'};crossPoint=findIntersectY(spikePoint.x,spikePoint.y,textCenter.x,textCenter.y,textLeft);crossPoint.y=crossPoint.y<textTop+opts.spikeGirth/2+opts.cornerRadius?textTop+opts.spikeGirth/2+opts.cornerRadius:crossPoint.y;crossPoint.y=crossPoint.y>(textBottom-opts.spikeGirth/2)-opts.cornerRadius?(textBottom-opts.spikeGirth/2)-opts.cornerRadius:crossPoint.y;points[points.length]={x:textLeft,y:crossPoint.y-opts.spikeGirth/2,type:'join'};points[points.length]={x:textLeft,y:textTop,type:'corner'};points[points.length]={x:textRight,y:textTop,type:'corner'};points[points.length]={x:textRight,y:textBottom,type:'corner'};points[points.length]={x:textLeft,y:textBottom,type:'corner'};points[points.length]={x:textLeft,y:crossPoint.y+opts.spikeGirth/2,type:'join'};points[points.length]=spikePoint;break;}
var canvas=$('<canvas width="'+(numb($text.outerWidth(true))+opts.strokeWidth*2)+'" height="'+(numb($text.outerHeight(true))+opts.strokeWidth*2)+'"></canvas>').appendTo($box).css({position:'absolute',top:$text.btPosition().top,left:$text.btPosition().left,zIndex:opts.boxzIndex}).get(0);if(typeof G_vmlCanvasManager!='undefined'){canvas=G_vmlCanvasManager.initElement(canvas);}
if(opts.cornerRadius>0){var newPoints=new Array();var newPoint;for(var i=0;i<points.length;i++){if(points[i].type=='corner'){newPoint=betweenPoint(points[i],points[(i-1)%points.length],opts.cornerRadius);newPoint.type='arcStart';newPoints[newPoints.length]=newPoint;newPoints[newPoints.length]=points[i];newPoint=betweenPoint(points[i],points[(i+1)%points.length],opts.cornerRadius);newPoint.type='arcEnd';newPoints[newPoints.length]=newPoint;}
else{newPoints[newPoints.length]=points[i];}}
points=newPoints;}
var ctx=canvas.getContext("2d");drawIt.apply(ctx,[points]);ctx.fillStyle=opts.fill;if(opts.shadow){ctx.shadowOffsetX=2;ctx.shadowOffsetY=2;ctx.shadowBlur=5;ctx.shadowColor=opts.shadowColor;}
ctx.closePath();ctx.fill();if(opts.strokeWidth>0){ctx.lineWidth=opts.strokeWidth;ctx.strokeStyle=opts.strokeStyle;ctx.beginPath();drawIt.apply(ctx,[points]);ctx.closePath();ctx.stroke();}
if(opts.animate){$box.css({opacity:0.1});}
$box.css({visibility:'visible'});if(opts.overlay){var overlay=$('<div class="bt-overlay"></div>').css({position:'absolute',backgroundColor:'blue',top:top,left:left,width:width,height:height,opacity:'.2'}).appendTo(offsetParent);$(this).data('overlay',overlay);}
var animParams={opacity:1};if(opts.animate){switch(position){case'top':animParams.top=$box.btPosition().top+opts.distance;break;case'left':animParams.left=$box.btPosition().left+opts.distance;break;case'bottom':animParams.top=$box.btPosition().top-opts.distance;break;case'right':animParams.left=$box.btPosition().left-opts.distance;break;}
$box.animate(animParams,{duration:opts.speed,easing:opts.easing});}
opts.postShow.apply(this);}
var turnOff=function(){opts.preHide.apply(this);var box=$(this).data('bt-box');var overlay=$(this).data('bt-overlay');if(typeof box=='object'){$(box).remove();$(this).removeData('bt-box');}
if(typeof overlay=='object'){$(overlay).remove();$(this).removeData('bt-overlay');}
opts.postHide.apply(this);}
var refresh=function(){turnOff.apply(this);turnOn.apply(this);}
if(opts.killTitle){$(this).find('[title]').andSelf().each(function(){$(this).attr('bt-xTitle',$(this).attr('title')).removeAttr('title');});}
if(typeof opts.trigger=='string'){opts.trigger=[opts.trigger];}
if(opts.trigger[0]=='hover'){$(this).hover(function(){turnOn.apply(this);},function(){turnOff.apply(this);});}
else if(opts.trigger[0]=='now'){var box=$(this).data('bt-box');if(typeof box=='object'){turnOff.apply(this);}
else{turnOn.apply(this);}}
else if(opts.trigger.length>1&&opts.trigger[0]!=opts.trigger[1]){$(this).bind(opts.trigger[0],function(){turnOn.apply(this);}).bind(opts.trigger[1],function(){turnOff.apply(this);});}
else{$(this).bind(opts.trigger[0],function(){if(typeof this.triggerToggle=='undefined'){this.triggerToggle=false;}
this.triggerToggle=!this.triggerToggle;if(this.triggerToggle){turnOn.apply(this);}
else{turnOff.apply(this);}});}});function drawIt(points){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),round5(points[i].y),round5(points[(i+1)%points.length].x),round5(points[(i+1)%points.length].y));i++;}
else{this.lineTo(round5(points[i].x),round5(points[i].y));}}}
function round5(num){return Math.round(num-.5)+.5;}
function numb(num){return parseInt(num)||0;}
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.curCSS(elem[0],prop,true),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.bt.defaults={trigger:'hover',width:200,padding:10,spikeGirth:10,spikeLength:15,overlap:0,overlay:false,killTitle:true,textzIndex:9999,boxzIndex:9990,positions:['most'],fill:"rgb(255, 255, 102)",windowMargin:10,strokeWidth:1,strokeStyle:"#000",cornerRadius:5,shadow:false,shadowOffsetX:2,shadowOffsetY:2,shadowBlur:3,shadowColor:"#000",animate:false,distance:15,easing:'swing',speed:200,cssClass:'',cssStyles:{},titleSelector:"attr('title')",preShow:function(){return;},postShow:function(){return;},preHide:function(){return;},postHide:function(){return;}};