function change_image(imageId)
{
	check_session();
	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];
			tabid=arr[0];
			

		var url = "ajaxfiles/change_image.php?imageId="+imageId+"&iPdfFolderId="+iPdfFolderId+"&tab_id="+tabid;
		//alert(url);
		var isWorking = false;
		if (!isWorking)
		{
			isWorking = true;
			if (window.XMLHttpRequest)
		  	{
				http_change_image=new XMLHttpRequest();
		  		http_change_image.open("GET",url, true);
			  	http_change_image.onreadystatechange=handleHttpResponseChangeImage;
			  	http_change_image.send(null);
		  	}
			// code for IE
			else if (window.ActiveXObject)
		  	{
		  		http_change_image=new ActiveXObject("Microsoft.XMLHTTP");
		    	if (http_change_image)
		    	{
		    		http_change_image.open("GET",url, true);
		    		http_change_image.onreadystatechange=handleHttpResponseChangeImage;
		    		http_change_image.send();
		    	}
		  	}
	  	}
}
function handleHttpResponseChangeImage()
{
		var temp;
		temp="";
		var iid;
		var tmp_color;
		
		if (http_change_image.readyState == 4)
		{
			//alert(http_change_image.responseText);

					
			var xmlDocument = http_change_image.responseXML;
			
			var imagename = xmlDocument.getElementsByTagName('imagename').item(0).firstChild.data;
			var siteurl = xmlDocument.getElementsByTagName('siteurl').item(0).firstChild.data;			
			var folderId = xmlDocument.getElementsByTagName('folderid').item(0).firstChild.data;			
			var tabid = xmlDocument.getElementsByTagName('tabid').item(0).firstChild.data;
			var iPdfFolderId = xmlDocument.getElementsByTagName('folderid').item(0).firstChild.data;
			var tabtot = xmlDocument.getElementsByTagName('tabtot').item(0).firstChild.data;
			var p_height = xmlDocument.getElementsByTagName('height').item(0).firstChild.data;
			var p_width = xmlDocument.getElementsByTagName('width').item(0).firstChild.data;
			var p_title = xmlDocument.getElementsByTagName('title').item(0).firstChild.data;
			var p_ipdfimagesid = xmlDocument.getElementsByTagName('ipdfimagesid').item(0).firstChild.data;
			var p_nextimageid = xmlDocument.getElementsByTagName('nextimageid').item(0).firstChild.data;
			var p_previmageid = xmlDocument.getElementsByTagName('previmageid').item(0).firstChild.data;
			var p_imagesrc = xmlDocument.getElementsByTagName('imagesrc').item(0).firstChild.data;
			//alert(p_imagesrc);
			var elem_wrapper = "ibox";
			//createIbox_Modified(document.getElementsByTagName("body")[0],p_nextimageid,p_previmageid); //create our ibox
			var e;	

			if(document.getElementById('ibox_pre') && p_previmageid!=0)
				document.getElementById('ibox_pre').innerHTML="<a href=\"javascript:change_image('image_"+p_previmageid+"');\"><b><font color='#FFFFFF'>PREV</b></font></a>";
			if(document.getElementById('ibox_nex') && p_nextimageid!=0)
				document.getElementById('ibox_nex').innerHTML="<a  href=\"javascript:change_image('image_"+p_nextimageid+"');\"><b><font color='#FFFFFF'>NEXT</b></font></a>";
			if(document.getElementById('mainImageId'))
				document.getElementById('mainImageId').src=p_imagesrc;
		}
		else
		{
			temp='<div class=listing-border" ><img src="'+js_site_images+'loading-Animation.gif"/></div>';
			document.getElementById('test').innerHTML=temp;
		}
}