function pageRequest(url,shift) {
	var maincont = document.getElementById("maincont");
	try
	{
		maincont.removeChild(document.getElementById("gallerytbl"));
	}
	catch(e){}
	page=page+shift;
	document.getElementById("pagenum").innerHTML="page "+page+" of "+pagecnt;
	if(page<=1){
		document.getElementById("back").style.visibility="hidden";
	}else{
		document.getElementById("back").style.visibility="visible";
	}
	if(page>=pagecnt){
		document.getElementById("next").style.visibility="hidden";
	}else{
		document.getElementById("next").style.visibility="visible";
	}
        var httpRequest;
        if (window.XMLHttpRequest) { // Mozilla
            httpRequest = new XMLHttpRequest();
        } 
        else if (window.ActiveXObject) { // IE
            try {
                httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
                } 
                catch (e) {
                    try {
                	httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
                    } 
                    catch (e) {}
                }
        }
        if (!httpRequest) {
            alert('Cannot create an XMLHTTP instance');
            return false;
        }
        httpRequest.onreadystatechange = function() {  
	    if (httpRequest.readyState == 4) {
        	if (httpRequest.status == 200) {
			if (document.implementation && document.implementation.createDocument)
			{
				xmlDoc = document.implementation.createDocument("", "", null);
			}
			else if (window.ActiveXObject)
			{
				xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
				xmlDoc.onreadystatechange = function () {
					if (xmlDoc.readyState == 4) fillList()
				};
		 	}
			else
			{
				alert('Your browser can\'t handle this script');
				return;
			}
			var tbl = document.createElement("table");
			tbl.setAttribute("id","gallerytbl");
			var tblBody = document.createElement("tbody");
			var hitend=0;
			xmlDoc=httpRequest.responseXML;
			for (i=0; i < 9; i++){
				if(i < xmlDoc.firstChild.childNodes.length){
					if((i%3)==0){
						var row = document.createElement("tr");
						//alert(i);
					}
					var cell = document.createElement("td");
					var a = document.createElement("a");
					a.setAttribute("id","img"+(i+1)+"lnk");
					a.setAttribute("src","data/"+galleryid+"/tb_"+xmlDoc.firstChild.childNodes[i].nodeName);
					a.setAttribute("href","data/"+galleryid+"/"+xmlDoc.firstChild.childNodes[i].nodeName);
					a.style.visibility="visible";	
					a.setAttribute("rel","lightbox[group]");				
					if(xmlDoc.firstChild.childNodes[i].childNodes.length>0){
						a.setAttribute("title",xmlDoc.firstChild.childNodes[i].firstChild.nodeValue);
					}else{
						a.setAttribute("title"," ");
					}
					var img = document.createElement("img");
					img.setAttribute("id","img"+(i+1));
					img.setAttribute("src","data/"+galleryid+"/tb_"+xmlDoc.firstChild.childNodes[i].nodeName);
					a.appendChild(img)
					cell.appendChild(a);
					row.appendChild(cell);
					if(((i-1)%3)==0)
					{
						tblBody.appendChild(row);
					}
					if(i==8)
					{
						var hitend=1;
						tbl.appendChild(tblBody);
						maincont.insertBefore(tbl,document.getElementById("caption_pagenum"));
					}
				}else{
					if((hitend==0)&&((i%3)==0)&&(i!=0)){
						var hitend=1;
						tblBody.appendChild(row);
						tbl.appendChild(tblBody);
						maincont.insertBefore(tbl,document.getElementById("caption_pagenum"));
					}
					if(hitend!=1){
						var cell = document.createElement("td");
						var a = document.createElement("a");
						a.setAttribute("id","img"+(i+1)+"lnk");
	
						a.setAttribute("href","");
						a.style.visibility="hidden";
						a.setAttribute("title","");
						var img = document.createElement("img");
						img.setAttribute("id","img"+(i+1));
						img.setAttribute("src","");
						a.appendChild(img)
						cell.appendChild(a);
						row.appendChild(cell);
					}
				}
				myLightbox.updateImageList();
			}
            	} else {
            	    alert('Request Failed.');
        	}
            }
	};
        httpRequest.open('GET', url+page+"&galleryrqnm="+galleryid, true);
        httpRequest.send('');
    }