var d=document; 
var w=window;

function showBigPhoto(img){
   var b = d.getElementsByTagName("BODY")[0];
   var dG = d.createElement("DIV");
   dG.className = "divGrey";
   dG.style.height = "100%";
   var div = d.createElement("DIV");
   div.className = "divPopup";
   img.onmouseup = function(){
   	dG.parentNode.removeChild(dG);
      div.parentNode.removeChild(div);
   }	
   with(div.style){
      width = img.width + 10 + "px";
      height = img.height + 10 + "px";
      paddingTop = 10 + "px";
      paddingLeft = 10 + "px";
      left =(b.offsetWidth - img.width - 20)/2 + "px";
      top =(b.offsetHeight - img.height)/2 + "px";
      opacity = 0;
      filter = "alpha(opacity=0)";
   }
   shadeEffect(div, null);
   div.appendChild(img);
   b.appendChild(dG);
   b.appendChild(div);
}

function shadeEffect(b, g){
   var r,t;
   if(b.attachEvent && g < 100 && navigator.appName != "Opera"){t=20+g;b.style.filter="alpha(opacity="+t+")";flag=w.setTimeout(function(){shadeEffect(b, t)}, 50);
	}else if(g <= 1)t=.2+g;b.style.opacity=t;flag = w.setTimeout(function(){shadeEffect(b, t)}, 50);   
}