jQuery.fn.magnify=function(options){var settings={lensWidth:53,lensHeight:53,showEvent:'mouseover',hideEvent:'mouseout',stagePlacement:'right',preload:true,loadingImage:'',stageCss:{},lensCss:{},onBeforeShow:function(){},onAfterShow:function(){},onBeforeHide:function(){},onAfterHide:function(){}};options?jQuery.extend(settings,options):null;return this.each(function(){var img=jQuery("img:first",this),smallimage=new Smallimage(img),a=jQuery(this),lens=new Lens(),largeimage=new Largeimage(a[0].href),largeimageloaded=false,smallimagedata={},stage=null,scale=1,running=false,loader=null,noimage=false,self=this;smallimage.loadimage();img.bind(settings.showEvent,activate);function activate(e){if(!running){running=true;settings.onBeforeShow.apply(smallimage,[settings]);if(!largeimage){largeimage=new Largeimage(a[0].href);}
lens.activate(e);lens.setposition(e);jQuery(lens.node).bind('mousemove',lens.setposition).bind(settings.hideEvent,deactivate);if(largeimageloaded){stage=new Stage();stage.activate();}
else{largeimage.loadimage();}
settings.onAfterShow.apply(smallimage,[settings]);a[0].blur();return false;}
else deactivate(e);}
function deactivate(e){settings.onBeforeHide.apply(self,[settings]);jQuery(lens.node).unbind('mousemove').unbind('mouseover').remove();jQuery(stage.node).remove();jQuery(largeimage.node).remove();largeimage=null;largeimageloaded=false;settings.onAfterHide.apply(self,[settings]);running=false;img.unbind(settings.showEvent);var s=setTimeout(function(){img.bind(settings.showEvent,activate);},50);}
function Smallimage(image){this.node=image[0];this.loadimage=function(){this.node.src=img[0].src;};this.node.onload=function(){smallimagedata.w=jQuery(this).width();smallimagedata.h=jQuery(this).height();smallimagedata.pos=jQuery(this).offset();smallimagedata.pos.r=smallimagedata.w+smallimagedata.pos.left;smallimagedata.pos.b=smallimagedata.h+smallimagedata.pos.top;if(settings.preload){largeimage.loadimage();}};return this;}
function Largeimage(url){this.url=url;this.node=new Image();this.loadimage=function(){if(!this.node)
this.node=new Image();this.node.style.position='absolute';this.node.style.display='none';this.node.style.left='-5000px';loader=new Loader();document.body.appendChild(this.node);this.node.src=this.url;};this.node.onload=function(){largeimageloaded=true;this.style.display='block';var w=jQuery(this).width(),h=jQuery(this).height();this.style.display='none';scale=(w/smallimagedata.w+h/smallimagedata.h)/2;jQuery(loader.node).remove();if(running){stage=new Stage();stage.activate();}};this.node.onerror=function(){jQuery(loader.node).remove();noimage=true;if(running){stage=new Stage();stage.activate();}};return this;}
Largeimage.prototype.setposition=function(){this.node.style.left=Math.ceil(-scale*parseInt(lens.getoffset().left))+'px';this.node.style.top=Math.ceil(-scale*parseInt(lens.getoffset().top))+'px';};function Lens(){this.node=document.createElement("div");jQuery(this.node).css({width:settings.lensWidth+'px',height:settings.lensHeight+'px',backgroundColor:'white',opacity:0.6,position:'absolute',border:'1px dashed #bbbbbb',zIndex:1000,cursor:'crosshair'}).css(settings.lensCss);return this;}
Lens.prototype.activate=function(){document.body.appendChild(this.node);this.node.style.display='block';};Lens.prototype.setposition=function(e){var self=e.type=='mousemove'?this:this.node,lensleft=e.pageX-settings.lensWidth/2,lenstop=e.pageY-settings.lensHeight/2,realwidth=parseInt(self.style.width)
+parseInt(self.style.borderLeftWidth)
+parseInt(self.style.borderRightWidth),realheight=parseInt(self.style.height)
+parseInt(self.style.borderTopWidth)
+parseInt(self.style.borderBottomWidth),incorner=incorner();if(!incorner){if(againstleft()){self.style.top=lenstop+'px';self.style.left=smallimagedata.pos.left+'px';}
else if(againstright()){self.style.top=lenstop+'px';self.style.left=smallimagedata.pos.r-realwidth+'px';}
else if(againsttop()){self.style.left=lensleft+'px';self.style.top=smallimagedata.pos.top+'px';}
else if(againstbottom()){self.style.left=lensleft+'px';self.style.top=smallimagedata.pos.b-realheight+'px';}
else{self.style.top=lenstop+'px';self.style.left=lensleft+'px';}}
else{self.style.top=incorner=='topleft'||incorner=='topright'?smallimagedata.pos.top+'px':smallimagedata.pos.b-realheight+'px';self.style.left=incorner=='topleft'||incorner=='bottomleft'?smallimagedata.pos.left+'px':smallimagedata.pos.r-realwidth+'px';}
largeimage.setposition();function againstleft(){return lensleft<smallimagedata.pos.left;}
function againstright(){return lensleft+realwidth>smallimagedata.pos.r;}
function againsttop(){return lenstop<smallimagedata.pos.top;}
function againstbottom(){return lenstop+realheight>smallimagedata.pos.b;}
function incorner(){if(againstbottom()&&againstright())
return'bottomright';else if(againstbottom()&&againstleft())
return'bottomleft';else if(againsttop()&&againstright())
return'topright';else if(againsttop()&&againstleft())
return'topleft';else
return false;}};Lens.prototype.getoffset=function(){var o={};o.left=parseInt(this.node.style.left)-parseInt(smallimagedata.pos.left)+'px';o.top=parseInt(this.node.style.top)-parseInt(smallimagedata.pos.top)+'px';return o;};function Stage(){this.node=document.createElement("div");jQuery(this.node).css({position:'absolute',width:Math.round(settings.lensWidth*scale)+'px',height:Math.round(settings.lensHeight*scale)+'px',zIndex:2000,overflow:'hidden',border:'1px solid #999999',display:'none',backgroundColor:'white'}).css(settings.stageCss);this.realheight=parseInt(this.node.style.height)
+parseInt(this.node.style.borderTopWidth)
+parseInt(this.node.style.borderBottomWidth);this.realwidth=parseInt(this.node.style.width)
+parseInt(this.node.style.borderLeftWidth)
+parseInt(this.node.style.borderRightWidth);var st=jQuery.browser.safari?document.body.scrollTop:document.documentElement.scrollTop;var screenbottom=document.documentElement.clientHeight+st;this.node.style.top=smallimagedata.pos.top+this.realheight>screenbottom?screenbottom-this.realheight-10+'px':smallimagedata.pos.top+'px';this.node.style.left=settings.stagePlacement=='right'?smallimagedata.pos.r+10+'px':smallimagedata.pos.left-this.realwidth-10+'px';return this;}
Stage.prototype.activate=function(){if(noimage)
this.node.appendChild(document.createTextNode('Large Image Not Found.'));else{if(!this.node.firstChild)
this.node.appendChild(largeimage.node);largeimage.node.style.display='block';largeimage.setposition();}
document.body.appendChild(this.node);jQuery(this.node).fadeIn(300);};function Loader(){this.node=settings.loadingImage?new Image():document.createElement("div");jQuery(this.node).appendTo("body").css({top:smallimagedata.pos.top+10+'px',left:smallimagedata.pos.left+10+'px',position:'absolute'});settings.loadingImage?this.node.src=settings.loadingImage:this.node.appendChild(document.createTextNode('Loading...'));return this;}});};