var xmlHttp

function rateImage(id, rating)
{
	document.getElementById("pc_imgbox").innerHTML = '';
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null) { return; } 

	var url="getnextimg.asp"+"?id="+id+"&rating="+rating+"&rnd="+Math.random();
	xmlHttp.onreadystatechange=stateChangedimg;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
} 

function stateChangedimg() 
{ 
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("pc_imgbox").innerHTML=xmlHttp.responseText;
	}

}

function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		// Internet Explorer
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}