var xmlHttp
function calcnewprice() { 

xmlHttp=GetXmlHttpObject()
if (xmlHttp==null) {
 alert ("Browser does not support HTTP Request")
 return
}

var str = new Array();
var f=document.getElementById("cart_quantity");
for(var i=0; i<f.length; i++) {
	if(f[i].tagName=='SELECT') {
    	    str.push(f[i].value);
    }
	else {
    	if(f[i].checked) {
            str.push(f[i].value);
        }
    }
}
var pid = document.getElementById("prodid").value;
var cust = document.getElementById("custid").value;
var url="getnewprice.php"
url=url+"?q="+str+"&pid="+pid+"&cust="+cust
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

function calcnewpriceindex(pid) {

xmlHttp=GetXmlHttpObject()
if (xmlHttp==null) {
 alert ("Browser does not support HTTP Request")
 return
}

var str = new Array();
var f=document.getElementById("buy_now_" + pid);
for(var i=0; i<f.length; i++) {
	if(f[i].tagName=='SELECT') {
    	    str.push(f[i].value);
    }
	else {
    	if(f[i].checked) {
            str.push(f[i].value);
        }
    }
}
var cust = document.getElementById("custid").value;
var url="getnewpriceindex.php"
url=url+"?q="+str+"&pid="+pid+"&cust="+cust
url=url+"&sid="+Math.random()
test=document.getElementById(pid) 
xmlHttp.onreadystatechange=stateChanged2 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

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

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