// JScript 文件

window.addEventListener?

window.addEventListener("load",initZoom,false):

window.attachEvent("onload",initZoom);

function initZoom(){

//////////

//by mozart0, 2007.05.29

//////////

var mask=document.body.appendChild(document.createElement("img"));

var timer=null;

//////////

with(mask.style){

    position="absolute";

    backgroundColor="rgb(198,228,255)";

    margin="0px";

    padding="0px";

    zIndex="999";

    }

mask.onmouseout=function(){

    if(timer){

      clearTimeout(timer);

      timer=null;

      }

    setRect(this,[-100,-100,50,50]);

    };

mask.onmouseout();

//////////

for(var i=0,m=document.images;i<m.length;i++){

    if(!/^zoom/.test(m[i].getAttribute("rel")))

      continue;

    m[i].onmouseover=function(){

      var scale=this.getAttribute("rel").split("#");

      scale=scale.length>1?parseFloat(scale[1]):2;

      zoomMask(this,scale,this.getAttribute("urn"),this.parentNode);

      };

    }

//////////

function zoomMask(ele,scale,url,oparent){

if(oparent.tagName=="A"){

   mask.style.cursor="pointer";

   mask.alt=oparent.href;

   mask.onclick=function(){

    location.href=this.alt;

    }

   }

else{

   mask.style.cursor="";

   mask.title="";

   mask.onclick=null;

   }

    var ra=getRect(ele),rb=zoomRect(ra,scale);

    var d=(rb[3]/ra[3]-1)/10,p=0;

    mask.src=url||ele.src;

    mask.onmouseout();

    (function(){

      if(++p<10){

        setRect(mask,zoomRect(ra,1+p*d));

        timer=setTimeout(arguments.callee,15);

        }

      else{

        setRect(mask,rb);

        timer=null;

        }

      })();

    }

function zoomRect(rect,scale){

    var r=rect.slice(0,4);

    r[0]+=r[2]*(1-scale)*0.5;

    r[1]+=r[3]*(1-scale)*0.5;

    r[2]*=scale;

    r[3]*=scale;

    return r;

    }

//////////

var _firefox=navigator.userAgent.indexOf("Firefox")>=0;

var _opera=navigator.userAgent.indexOf("Opera")>=0;

var _ie=!_firefox&&!_opera;

//////////

function getRect(obj){

    var left=0,top=0;

    var width=obj.offsetWidth,height=obj.offsetHeight;

    var op=obj,st;

    var abs=false;

    if(_firefox)

      while((op=op.parentNode).tagName!="HTML"){

        var st=getComputedStyle(op,null);

        if(st.MozBoxSizing!="border-box"){

          left+=parseInt(st.borderLeftWidth);

          top+=parseInt(st.borderTopWidth);

          }

        }

    while(true){

      left+=obj.offsetLeft;

      top+=obj.offsetTop;

      if(!(op=obj.offsetParent))

        break;

      if(_ie){

        left+=op.clientLeft;

        top+=op.clientTop;

        if(!abs&&obj.currentStyle.position=="absolute")

          abs=true;

        }

      obj=op;

      }

    if(_ie){

      if(!document.documentElement.clientWidth){

        var t=document.body.currentStyle;

        var lx=parseInt(t.borderLeftWidth);

        var tx=parseInt(t.borderTopWidth);

        left-=isNaN(lx)?2:lx;

        top-=isNaN(tx)?2:tx;

        }

      else if(abs){

        left-=2;

        top-=2;

        }

      }

    return [left,top,width,height];

    }

function setRect(obj,rect){

    with(obj.style){

      left=Math.round(rect[0])+"px";

      top=Math.round(rect[1])+"px";

      width=Math.round(rect[2])+"px";

      height=Math.round(rect[3])+"px";

      }

    }

}