function returnGallertImg(str){  
   var xmlHttp;
   try 
    {   
	xmlHttp=new XMLHttpRequest();    
	}
    catch (e) 
    {   
	try 
	{      
	xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");      
	}
    catch (e)
    {      
	try
    {        
	xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");        
	}
    catch (e)
    {        
	alert("Your browser does not support AJAX!");        
	return false;       
	}      
	}    
	}
    xmlHttp.onreadystatechange=function()
    {
    if(xmlHttp.readyState==4)
    {
	ONUM=xmlHttp.responseText;
	ONUMInformation=ONUM.split("|");
	Imgwidth=ONUMInformation[0];
	Imgheight=ONUMInformation[1];
	if(Imgwidth<200){
		Imgwidth=200;
	}
	Gwidth=ONUMInformation[2];
	Gheight=ONUMInformation[3];
	document.getElementById('GalleryPreview').width=Imgwidth;
	document.getElementById('GalleryPreview').height=Imgheight;
	document.getElementById('GalleryPreview').src=("Thumbs/"+str);
	document.getElementById('ImagePreviewLlink').href=("javascript:launchpopup('PreviewProjectImage.php?img="+str+"',"+Gwidth+","+Gheight+")");
    }
	}
	var url="ThumbnailInformation.php?thumb="+str;
    xmlHttp.open("GET",url,true);
    xmlHttp.send(null);  
	}