var idBigImgDiv="bigimgdiv";
var idShowBigImg="showbigimg";
var idBigImg="bigimg";
var idContainer="mainframe";
var idBigImgText="bigimgtext";

smallImgClickHandler = function() {
		var elem=document.getElementById(idBigImgDiv);
			
		/*var outerframe=document.getElementById(idContainer);
			
		var IpopTop = ((outerframe.offsetHeight - elem.offsetHeight)/2)-100;
      	var IpopLeft = (outerframe.offsetWidth - elem.offsetWidth)/2;*/
      
      	var scrollTop;
      	var scrollLeft;
      
      	if (!document.body.scrollTop)
      	{
      		scrollTop=document.documentElement.scrollTop;
      		scrollLeft=document.documentElement.scrollLeft;
   		}else
   		{
   			scrollTop=document.body.scrollTop;
   			scrollLeft=document.body.scrollLeft;
   		}      		
     
   		elem.style.left=scrollLeft+"px";
   		elem.style.top=scrollTop+"px";

		var span=document.getElementById(idBigImgDiv);
		span.innerHTML="<span class='innerdiv'><p style='text-align: right;'><a href='#' onclick=\"javascript: getElementById('bigimgdiv').style.display='none';"+
						" return false;\">[X]</a></p><img src='"+this.href+"'><p style='text-align: left;'>"+this.title+"</p></span>";

		elem.style.display="block";
		return false;
}

smallImgClick = function() {
	var sElem;
	var num=0;
	while((sElem=document.getElementById(idShowBigImg+num))!=null)
	{
		sElem.onclick=smallImgClickHandler;
		num++;
	}
	num=0;
	while((sElem=document.getElementById(idShowBigImg))!=null)
	{
		sElem.id=idShowBigImg+"_"+num;
		sElem.onclick=smallImgClickHandler;
		num++;
	}
}

if (window.attachEvent)
	window.attachEvent("onload", smallImgClick);
else if (window.addEventListener)
	window.addEventListener("load", smallImgClick, false);