/* Expando Image Script �2008 John Davenport Scheuer
 as first seen in http://www.dynamicdrive.com/forums/
 username: jscheuer1 - This Notice Must Remain for Legal Use
 */

if (document.images){
 (function(){
 var cos, a = /Apple/.test(navigator.vendor), times = a? 20 : 40, speed = a? 40 : 20;
 var expConIm = function(im){
 im = im || window.event;
 if (!expConIm.r.test (im.className))
 im = im.target || im.srcElement || null;
 if (!im || !expConIm.r.test (im.className))
 return;
 var e = expConIm,
 widthHeight = function(dim){
 return dim[0] * cos + dim[1] + 'px';
 },
 resize = function(){
 cos = (1 - Math.cos((e.ims[i].jump / times) * Math.PI)) / 2;
 im.style.width = widthHeight (e.ims[i].w);
 im.style.height = widthHeight (e.ims[i].h);
 if (e.ims[i].d && times > e.ims[i].jump){
 ++e.ims[i].jump;
 e.ims[i].timer = setTimeout(resize, speed);
 } else if (!e.ims[i].d && e.ims[i].jump > 0){
 --e.ims[i].jump;
 e.ims[i].timer = setTimeout(resize, speed);
 }
 }, d = document.images, i = d.length - 1;
 for (i; i > -1; --i)
 if(d[i] == im) break;
 i = i + im.src;
 if (!e.ims[i]){
 im.title = '';
 e.ims[i] = {im : new Image(), jump : 0};
 e.ims[i].im.onload = function(){
 e.ims[i].w = [e.ims[i].im.width - im.width, im.width];
 e.ims[i].h = [e.ims[i].im.height - im.height, im.height];
 e (im);
 };
 e.ims[i].im.src = im.src;
 return;
 }
 if (e.ims[i].timer) clearTimeout(e.ims[i].timer);
 e.ims[i].d = !e.ims[i].d;
 resize ();
 };

 expConIm.ims = {};

 expConIm.r = new RegExp('\\bexpando\\b');

 if (document.addEventListener){
 document.addEventListener('mouseover', expConIm, false);
 document.addEventListener('mouseout', expConIm, false);
 }
 else if (document.attachEvent){
 document.attachEvent('onmouseover', expConIm);
 document.attachEvent('onmouseout', expConIm);
 }
 })();
}