var xmlHttp

function showMainPic(str,searchterm,page)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
} 
var url="include/getbigimage.asp";
url=url+"?img="+str+"&searchterm="+searchterm+"&p="+page;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged ;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
document.getElementById("bigpic").innerHTML=xmlHttp.responseText ;
} 
} 

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