var xmlHttp;


function ImageGallery(viewType, CurrentImage, GalleryID)
	{ 
	//alert("viewType");
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
		{
		alert ("Browser does not support HTTP Request");
		return;
		} 
	
	var url="/gallery/ajax.asp";
	url=url+"?galmode="+viewType; //Gallery Display Mode
	url=url+"&CurrentImage="+CurrentImage; //Current Image
	url=url+"&gtID="+GalleryID; //Gallery ID
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
	xmlHttp.send(null);
}

function stateChanged() 
{ 
	var ContentDisplay = document.getElementById("ShowImageGallery");
	var loaderdiv = document.getElementById("ImageGalleyLoad");
	
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		loaderdiv.innerHTML = "";
		ContentDisplay.innerHTML=xmlHttp.responseText;
	} 
	else if (xmlHttp.readyState==2 || xmlHttp.readyState==3) 
	{
		loaderdiv.innerHTML = "<div class='cnt'><img src=\"/vimages/gallery_ajax_loader.gif\" /></div>";
	}
} 


function GetXmlHttpObject()
{ 
	var objXMLHttp=null;
	try { 
		objXMLHttp=new ActiveXObject("Msxml2.XMLHTTP"); //IE6
		}
		catch(e) {
			if (objXMLHttp==null) { 
				objXMLHttp=new XMLHttpRequest(); //Standard way, other browsers, IE7
			 }
		}
return objXMLHttp;
}