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


function ship_amt(cid,k)
{ 

//alert(cid);

if(document.itemfrmprod.chob1.checked==true) {
if(cid=="United States") { 
	document.itemfrmprod.ship_val.value="2.95"
} else { 
	document.itemfrmprod.ship_val.value="7.95"
}

} else { 
//alert("satish");
	document.itemfrmprod.ship_val.value="0.00"
}
//alert(k);
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
var url="display_shipping.php"
	url=url+"?cid="+cid
	url=url+"&sid="+Math.random()
	//alert(url);
	xmlHttp.onreadystatechange=stateChanged_ship
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged_ship() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
	
		document.getElementById("scom_ship").innerHTML=xmlHttp.responseText 
		var ship_val,cart_val,totval
		ship_val=document.itemfrmprod.ship_val.value
		if(document.itemfrmprod.ori_us_ship.value==7.95) {
			cart_val=document.itemfrmprod.ototalprod.value-2.95
		} else {
		cart_val=document.itemfrmprod.ototalprod.value-document.itemfrmprod.ori_us_ship.value
		}
		if(cart_val==96.90 || cart_val==91.90) {
			cart_val=88.95
		}
		totval=parseFloat(ship_val)+parseFloat(cart_val)
		//alert(ship_val);
		//alert(cart_val);
		//alert(totval);
		document.itemfrmprod.ototalprod.value=totval.toFixed(2)
		document.itemfrmprod.ori_us_ship.value=ship_val

	} 
}