類似於Flash製作的一個圖片展示效果

<html>
<head>
<title>類似於Flash製作的一個圖片展示效果</title>
<meta name="Author" content="http://www.webjx.com">
<meta http-equiv="imagetoolbar" content="no">
<style type="text/css">
body {cursor:crosshair;margin:0; padding:0; position:absolute; overflow:hidden; background:#222; left:0; top:0; width:100%; height:100%;zIndex:-2;}
</style>

////////////////////////////
var NX     = 3;
var NY     = 3;
var SP     = 20;
var DELAY = 96;
////////////////////////////

var object = new Array();
var nI     = 0;
var run    = false;
var xrun   = 0;
var dR     = 1;
var iW     = 0;
var iH     = 0;
var oH     = 0;
var oW     = 0;

function CObj(N,y,x){

this.obj = document.createElement("span");
this.obj.onclick = new Function("object["+N+"].GE1()");
this.obj.onmousedown = new Function("return false;");
this.obj.style.cursor = "pointer";
this.obj.style.position = "absolute";
this.img = document.createElement("img");
this.img.style.position = "absolute";
this.img.src = IMGSRC[N%nI].src;
this.obj.appendChild(this.img);
IMGBOX.appendChild(this.obj);

this.object = new Array();
this.x      = x;
this.y      = y;
this.N      = N;
this.W      = 0;
this.H      = 0;
this.L      = 0;
this.T      = 0;

function CImg(Parent,y,x){
this.Parent = Parent;

this.obj = document.createElement("span");
this.obj.style.position="absolute";
this.obj.style.overflow="hidden";
this.obj.style.cursor = "pointer";
this.img = document.createElement("img");
this.img.style.position = "absolute";
this.img.src = IMGSRC[N%nI].src;
this.obj.appendChild(this.img);
this.Parent.obj.appendChild(this.obj);

this.N   = Parent.N;
this.x   = x;
this.y   = y;
this.W   = 0;
this.H   = 0;
this.L   = 0;
this.T   = 0;
this.dx = 0;
this.dy = 0;
this.px = 0;
this.py = 0;
this.dw = 0;
this.dh = 0;
this.pw = 0;
this.ph = 0;
this.ipx = 0;
this.ipy = 0;
this.idx = 0;
this.idy = 0;

this.GE2 = function (){
   with(this){
    px -= dx * dR;
    py -= dy * dR;
    pw += dw * dR;
    ph += dh * dR;
    ipx -= idx * dR;
    ipy -= idy * dR;

    with(obj.style){
     left   = Math.round(px);
     top    = Math.round(py);
     width = Math.round(pw)+1;
     height = Math.round(ph)+1;
     if(dR==-1)if(pw<=W+1)obj.style.visibility="hidden";
    }

    with(img.style){
     left   = Math.round(ipx-oW);
     top    = Math.round(ipy-oH);
    }

    if(++xrun>=NX*NY*SP){
     xrun=0;
     run=false;
     if(dR==-1)Parent.obj.style.zIndex = 0;
     dR = -dR;
    }
   }
}

this.GE1 = function (N1,N2){
   with(this){
    if(dR==1){
     px = L;
     py = T;
     dx = ((Parent.L + L) - (x * Parent.W)) / SP;
     dy = ((Parent.T + T) - (y * Parent.H)) / SP;
     pw = W;
     ph = H;
     dw = (Parent.W - W) / SP;
     dh = (Parent.H - H) / SP;
     ipx = -L;
     ipy = -T;
     idx = ((x * Parent.W) - L) / SP;
     idy = ((y * Parent.H) - T) / SP;
    }
    obj.style.visibility="visible";
    if(img.height>document.body.offsetHeight)oH=(img.height-document.body.offsetHeight)/2; else oH = 0;
    if(img.width>document.body.offsetWidth/2)oW=(img.width-(document.body.offsetWidth/2))/2; else oW = 0;
    for(i=0;i<SP;i++) setTimeout("object["+N1+"].object["+N2+"].GE2()",16*i);
   }
}

this.DOOT = function (){
   with(this){
    W = Parent.W / NX;
    H = Parent.H / NY;
    L = x * W;
    T = y * H;
   }
}
}

var k = 0;
for(var i=0;i<NY;i++)
for(var j=0;j<NX;j++)
this.object[k++] = new CImg(this,i,j);

this.GE1 = function (){
with(this){
   if(!run){
    TXTBOX.innerHTML = "<div style='margin:2%'>"+TXTSRC[N%nI].innerHTML+"</div>";
    run = true;
    obj.style.zIndex = 1;
    for(var i=0;i<NX*NY;i++) setTimeout("object["+N+"].object["+i+"].GE1("+N+","+i+")",i*DELAY);
   }
}
}

this.DOOT = function (){
with(this){
   if(img.width<iW)iW=img.width;
   if(img.height<iH)iH=img.height;
   with(obj.style){
    W = width = iW / NX;
    H = height = iH / NY;
    L = left   = x * W;
    T = top    = y * H;
   }
   with(img.style){
    width = W;
    height = H;
   }
   for(var i in object) object[i].DOOT();
}
}
}

onload = function() {
IMGSRC = document.getElementById("imgsrc").getElementsByTagName("img");
TXTSRC = document.getElementById("txtsrc").getElementsByTagName("div");
IMGBOX = document.getElementById("imgbox");
TXTBOX = document.getElementById("txtbox");
CENTER = document.getElementById("center");
iH = document.body.offsetHeight;
iW = document.body.offsetWidth/2;
nI = IMGSRC.length;
var k = 0;
for(var i=0;i<NY;i++){
for(var j=0;j<NX;j++){
   object[k] = new CObj(k,i,j);
   object[k++].DOOT();
}
}
IMGBOX.style.width = iW;
IMGBOX.style.height = iH;
TXTBOX.style.width = iW;
TXTBOX.style.height = iH;
TXTBOX.style.left   = iW;
TXTBOX.style.visibility="visible";
CENTER.style.left   = -iW;
CENTER.style.top    = -iH/2;
}
//-->
</script>
</head>

<div id="imgbox" style="position:absolute;left:0;top:0;overflow:hidden;"></div>
<div id="txtbox" style="position:absolute;visibility:hidden;overflow:hidden;background:#333;color:#FFF;font-family:verdana;font-size:0.8em;">
<div style="margin:2%">
<h2>IMGBOX</h2>Click the thumbnails on the left for a larger image. The description connected to the clicked image is displayed here.<br>
<br>Note: for performance reasons, images are not resized and must be all of the same size.
</div>
</div>

</div></div>

<div id="txtsrc" style="visibility:hidden">
<div>
<h2>the river</h2><br>Awaken from my nap by the river
</div>
<div>
<h2>transparency</h2><br>Its transparency was hypnotizing.
</div>
<div>
<h2>cold</h2><br>Currents of cold water played with light.
</div>
<div>
<h2>sank in</h2><br>I threw a few nuts into the river. They floated for a while, then sank in.
</div>
<div>
<h2>masked</h2><br>A wide stepping stone masked the water's depth.
</div>
<div>
<h2>a glimpse</h2><br>Later on, I had a glimpse of the river's bed.
</div>
<div>
<h2>forgotten</h2><br>The wheelchair made a noise. Again, I had forgotten about my legs.
</div>
<div>
<h2>floated</h2><br>Still, I floated in oblivion of things too real.
</div>
<div>
<h2>for me</h2><br>I stared fixedly at the water's open arms. The stream was singing for me.
</div>
</div>

<span id=LB0 style="position:absolute;left:50%;top:50%;"><span style="position:absolute;font-family:arial;font-size:10px;color:#FFFFFF;left:-50;top:-18">Loading...</span>
<span style="position:absolute;left:-50;top:-5;font-size:1px;width:100;height:10px;background:#333"><span id=LB1 style="position:absolute;left:0;top:0;font-size:1px;width:0;height:10px;background:#FFFFFF"></span></span></span>
<script>m00=document.getElementById("imgsrc").getElementsByTagName("img");m01=m00.length;function images_loading_bar(){m02=0;for(i=0;i<m01;i++)m02+=(m00[i].complete)?1:0;document.getElementById("LB1").style.width=Math.round(m02/m01*100);if(m02==m01)setTimeout("document.getElementById('LB0').style.display='none'",128); else setTimeout("images_loading_bar()", 64);};images_loading_bar();</script>

</body>
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