<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
</style>
<script type="text/javascript"><!--
window.onerror = new Function("return true");
var obj = [];
var scr;
var spa;
var img;
var W;
var Wi;
var Hi;
var wi;
var hi;
var Sx;
var Sy;
var M;
var xm;
var ym;
var xb = 0;
var yb = 0;
var ob = - 1;
var cl = false;
/* needed in standard mode */
px = function(x)
{
return Math.round(x) + "px";
}
/* center image - do not resize for perf. reason */
img_center = function(o)
{
with(img[o])
{ style.left = 0;//px( - (width - Wi) / 2);
style.top = 0;//px( - (height - Hi) / 2);
}
}
//////////////////////////////////////////////////////////
var Nx = 4; //size grid x
var Ny = 4; //size grid y
var Tx = 3; // image width
var Ty = 3; // image height
var Mg = 40; // margin
var SP = 1; // speed
//////////////////////////////////////////////////////////
/* zooming loop */
this.zoom = function()
{
with(this)
{
l += li * s;
t += ti * s;
w += wi * s;
h += hi * s;
if ((s > 0 && w < Wi) || (s < 0 && w > Sx))
{
/* force window.event */
window.focus();
/* loop */
setTimeout("obj[" + o + "].zoom()", 16);
}
else
{
/* finished */
mv = false;
/* set final position */
if (s > 0)
{
l = ix * M + ix * Sx;
t = iy * M + iy * Sy;
w = Wi;
h = Hi;
}
else
{
l = x * M + x * Sx;
t = y * M + y * Sy;
w = Sx;
h = Sy;
}
}
/* html animation */
with(spa)
{
left = px(l);
top = px(t);
width = px(w);
height = px(h);
zIndex = Math.round(w);
}
}
}
this.click = function()
{
with(this)
{
img_center(o);
/* zooming logic */
if ( ! mv || cl)
{
if (s > 0)
{
if (cl || Math.abs(xm - xb) > Sx * .4 || Math.abs(ym - yb) > Sy * .4)
{
s = - 2;
mv = true;
zoom();
cap.innerHTML = txt;
}
}
else
{
if (cl || ob != o)
{
if (ob >= 0)
{
with(obj[ob])
{
s = - 2;
mv = true;
zoom();
}
}
ob = o;
s = 1;
xb = xm;
yb = ym;
mv = true;
zoom();
cap.innerHTML = txt;
}
}
}
}
}
/* hook up events */
img[o].onmouseover = img[o].onmousemove = img[o].onmouseout = new Function("cl=false;obj[" + o + "].click()");
img[o].onclick = new Function("cl=true;obj[" + o + "].click()");
img[o].onload = new Function("img_center(" + o + ")");
/* initial display */
this.zoom();
}
/* mouse */
document.onmousemove = function(e)
{
if ( ! e)
{
e = window.event;
}
xm = (e.x || e.clientX);
ym = (e.y || e.clientY);
}
/* init */
function load()
{
/* html elements */
scr = document.getElementById("screen");
spa = scr.getElementsByTagName("span");
img = scr.getElementsByTagName("img");
cap = document.getElementById("caption");
/* global variables */
W = parseInt(scr.style.width);
H = parseInt(scr.style.height);
M = W / Mg;
Sx = (W - (Nx - 1) * M) / Nx;
Sy = (H - (Ny - 1) * M) / Ny;
Wi = Tx * Sx + (Tx - 1) * M;
Hi = Ty * Sy + (Ty - 1) * M;
SP = M * Tx * SP;
wi = (Wi - Sx) / SP;
hi = (Hi - Sy) / SP;
/* create objects */
for (k = 0, i = 0; i < Nx; i ++)
{
for (j = 0; j < Ny; j ++)
{
obj[k] = new Cobj(k ++, i, j);
}
}
}
//-->
</script>
</head>