var xmlHttp
var loadstatustext=" Requesting content..."
function showBigImage(str)
{
if (str.length==0 && id.length==0)
{ 
return
}
xmlHttp=GetXmlHttpObject2()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
} 
var url="getBigImage.php"
document.getElementById("txtBigImage").innerHTML=loadstatustext
pid	=str
url=url+"?pid="+pid
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged2 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
} 

function stateChanged2() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{	
	document.getElementById("txtBigImage").innerHTML=xmlHttp.responseText
} 
} 

function GetXmlHttpObject2()
{ 
var objXMLHttp=null
if (window.XMLHttpRequest)
{
objXMLHttp=new XMLHttpRequest()
}
else if (window.ActiveXObject)
{
objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
}
return objXMLHttp
}