function preview_image(tabid,iPdfFolderId)
{
		check_session();
		var dirname="";	
		var tab= document.getElementsByTagName('A');
		for(i=0;i<tab.length;i++)
			if(tab[i].className=='current')
				dir_Id=tab[i].name

			arr = new Array();
			arr=dir_Id.split("_");
			iPdfFolderId=arr[1];
								
		var url = "ajaxfiles/preview_image.php?tabid="+tabid+"&iPdfFolderId="+iPdfFolderId;
		//alert(url);
		var isWorking = false;
		if (!isWorking)
		{
				isWorking = true;
				if (window.XMLHttpRequest)
			  	{
					http_change_status=new XMLHttpRequest();
			  		http_change_status.open("GET",url, true);
				  	http_change_status.onreadystatechange=handleHttpResponsePreviewImage;
				  	http_change_status.send(null);
			  	}
				// code for IE
				else if (window.ActiveXObject)
			  	{
			  		http_change_status=new ActiveXObject("Microsoft.XMLHTTP");
			    	if (http_change_status)
			    	{
			    		http_change_status.open("GET",url, true);
			    		http_change_status.onreadystatechange=handleHttpResponsePreviewImage;
			    		http_change_status.send();
			    	}
			  	}
		   return false;
	  	}
}
function handleHttpResponsePreviewImage()
{
		var temp;
		temp="";
		var iid;
		var tmp_color;
		
		if (http_change_status.readyState == 4)
		{
			//alert(http_change_status.responseText);
			var xmlDocument = http_change_status.responseXML;
			var no = xmlDocument.getElementsByTagName('count').item(0).firstChild.data;
			var site_url = xmlDocument.getElementsByTagName('siteurl').item(0).firstChild.data;
			//var file_arr = xmlDocument.getElementsByTagName('dirname').item(0).firstChild.data;
			var temp="";

			temp +='<div id="dhtmlgoodies_slideshow" style="overflow:auto;">';
				temp +='<div id="previewPane" style="overflow:auto; height:630px;">';
					temp +='<div id="previewPane1" style="float:left;">';
						temp +='<img id="img1" src="'+js_site_images+'blank_image.png">';
						temp +='<span id="waitMessage">Loading image. Please wait</span>	';
						//temp +='<div id="largeImageCaption"></div>';
					temp +='</div>';
					temp +='<div id="previewPane2" style="float:right; padding-right: 12px;" >';
						temp +='<img id="img2" src="images/blank_image.png">';
						temp +='<span id="waitMessage">Loading image. Please wait</span>	';
						temp +='<div id="largeImageCaption"></div>';
					temp +='</div>';
				temp +='</div>';
				temp +='<div id="galleryContainer">';
					temp +='<div id="arrow_left"><img src="'+site_url+'js/images/arrow_left.gif"></div>';
					temp +='<div id="arrow_right"><img src="'+site_url+'js/images/arrow_right.gif"></div>';
					temp +='<div id="theImages"><table ><tr>';
						var j=1;
						for(i=0;i<no;i++)
						{
							var te='file'+i;
							var teb='fileb'+i;
							var teb_next='fileb_next'+i;
							var file = xmlDocument.getElementsByTagName(te).item(0).firstChild.data;
							var fileb = xmlDocument.getElementsByTagName(teb).item(0).firstChild.data;
							var fileb_next = xmlDocument.getElementsByTagName(teb_next).item(0).firstChild.data;
							if((i%2)!=0)
								j++;
							//alert(j);
							temp+="<td ><table  style='border:solid 0px; bordercolor=#ff0000'><tr><td id=td_"+i+"><a  href='#' onclick='showPreview(\""+site_url+"upload/pdf_images/"+fileb+"\","+j+","+i+",\""+site_url+"upload/pdf_images/"+fileb_next+"\","+j+",\""+no+"\");return false'><span><img id="+i+" src='"+site_url+"upload/pdf_images/"+file+"'/></span></a></td></tr></table></td>";
							temp +='<div class="imageCaption"></div>';
						}
						temp +='<div id="slideEnd"></div>';
					temp +='</tr></table></div>';
				temp +='</div>';
			temp +='</div>';

									//alert(temp);
									//var filex = document.getElementsByTagName('IMG').innerHTML=temp;
			//						xmlDocument..item(0).firstChild.data;
			
									//showPreview(site_url+"pdf_folder"+filex+",1");
							  		document.getElementById('test').innerHTML=temp;			
									initSlideShow();
									//initGallery();
									window.scroll(500,500);
		}	
		else
		{
			temp='<table class=listing-border" width="100%" height="250" border="0" align="center" cellpadding="0" cellspacing="0"><tr><td align="center"><img src="images/loading-Animation.gif"/></td></tr></table>';		
			document.getElementById('test').innerHTML=temp;
		}
}