var loader = "http://www.ajaxload.info/cache/00/00/00/FF/FF/FF/19-0.gif";

function enlarge(img,tit,thumbId)
{
    //alert(thumbId);
    var currentMainPic = document.getElementById("lgePic").src;
    var currentTitle = document.getElementById("lblMainPhotoDesc").innerHTML;
    var currentHref = document.getElementById("lgePicLnk").href;
    var thumbHref = document.getElementById("th_" + thumbId + "_lnk").href;
    var thumbTitle = document.getElementById("th_" + thumbId + "_lnk").title;
    
    document.getElementById("lgePic").src = loader;
    
    document.getElementById("lblMainPhotoDesc").innerHTML = tit;
    document.getElementById("lgePic").src = img;
    document.getElementById("lgePicLnk").href = thumbHref;
    document.getElementById("lgePic").title = thumbTitle;
    
    
    document.getElementById("th_" + thumbId).onclick = "return enlarge('" + currentMainPic + "',"+currentTitle + "," + thumbId+")";
    currentMainPic = currentMainPic.replace("_b","_s");
    document.getElementById("th_" + thumbId).src = currentMainPic;
    document.getElementById("th_" + thumbId).title = currentTitle;
    document.getElementById("th_" + thumbId + "_lnk").href = currentHref;
    document.getElementById("th_" + thumbId).title = currentTitle;
    
    
    var strURL = window.location + "";
    if(strURL.indexOf("#")<1)
    {
        window.location = window.location + "#abovepic";
    }
    return false;
}