function img_zoom(url, desc)
{
 div = document.createElement('div');
 div.innerHTML = '<span style="float: left; display: block;color: #000; padding-left: 5px;">'+desc+'</span><img src="img/zamknij.gif" style="border: 0;  padding-right: 10px;" alt="" />';

 bg = new Layer('img_background',false);
 bg.fullScreen();
 l = new Layer('img_layer',true)
 img=document.createElement('img');
 
 img.onload=function()
 {
  l.object.appendChild(img);
  l.object.appendChild(div);
  l.show();
 }
 img.src=url;
 bg.object.onclick=function()
 {
  bg.remove();
  l.remove();
 }
 l.object.onclick=function()
 {
  bg.remove();
  l.remove();
 }
 
 l.object.appendChild(img);
 img.src=url;
}