var xmlHttp

function CalculateMassageDiscount(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
}        
//var url="http://tmc.symbiotic.worldwiredhosting.com/corporate/exhibitionpricingcalculator.php"
var url="http://www.themassagecompany.co.uk/massage/massagediscountcalculator.php"

var str1 = document.getElementById('FormField1').value;
var str2 = document.getElementById('FormField2').value;
 
	   
url=url+"?q="+str1
url=url+"&r="+str2
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("txtHint").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;
}