function ajaxpack(pack)

{
	if (pack.length==0)
  { 
  return;
  }
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 


var url="insertpacksum.asp";
url=url+"?pack="+pack;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=function() {
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("summary").innerHTML=xmlHttp.responseText;
	}
}
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 

function stateChanged() 
{ 
alert("here");
if (xmlHttp.readyState==4)
{ 
document.getElementById("summary").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;
}


function pdf_switch(pdfname)

{
document.getElementById('pdf_sum').href="pdf/" + pdfname + ".pdf";	
alert(document.getElementById('pdf_sum').href);
}

function closer(pack)
{
//alert(pack);
document.getElementById('Exhibitor').style.display="none";
document.getElementById('Silver').style.display="none";
document.getElementById('Gold').style.display="none";
document.getElementById('Platinum').style.display="none";
document.getElementById('LeadCategory').style.display="none";
document.getElementById('Lead').style.display="none";
document.getElementById(pack).style.display="block";
}