var xmlHttp=null;
var output;
function GetXmlHttpObject()
{

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;
}

var currentSize;
var uploadedSize;
var curfile;
var fileno;
/*function ajaxFileUpload(fileNo, tmpname,maxSize){
	alert(1);
	uploadedSize = maxSize; curfile = tmpname;fileno=fileNo;
	xmlHttp=GetXmlHttpObject();
	var url="ajax.php";
	url=url+"?_cmd=file&value="+tmpname;
	xmlHttp.open("POST",url,true);
	xmlHttp.onreadystatechange=start;
}*/

function ajaxFileUpload(va){
	alert(va.Images[tmp_name][0]);
	//uploadedSize = maxSize; curfile = tmpname;fileno=fileNo;
	xmlHttp=GetXmlHttpObject();
	var url="ajax.php";
	url=url+"?_cmd=file&value=";
	xmlHttp.open("POST",url,true);
	xmlHttp.onreadystatechange=start;
}
function start(){
	alert(1);
	document.getElementById("progressbar").innerHTML=xmlHttp.responseText;
	ajaxFileUpload(fileno,curfile,uploadedSize);
}

function ajax(val,param){
	//alert(val.value.length);
	if (val.value.length==0) {
	  output = "div_"+val.name;
	  document.getElementById(output).innerHTML="";
	  return;
	  }
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null){
		alert ("Your browser does not support AJAX!");
	  return;
	}
	var url="ajax.php";
	url=url+"?_cmd="+val.name+"&value="+param;
	output = "div_"+val.name;
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("get",url,true);
	xmlHttp.send(null);
}


var ajax_param='';
var ajax_val='';


function ajaxWithID(val,param,outputs){

   //alert(val+' '+param+' '+outputs);
   //return;

	ajax_param=param; ajax_val = val;
	if (val.length==0) {
	     output = "div_"+val;

   	  if(document.getElementById(output)) {
   	    document.getElementById(output).innerHTML="";
   	    return;
   	  }

	  }
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null){
		alert ("Your browser does not support AJAX!");
	  return;
	}
	var url="ajax.php";
	url=url+"?_cmd="+val+"&value="+param;
	//alert(url); //for debug
	output = outputs;
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("get",url,true);
	xmlHttp.send(null);


}




function stateChanged() {
   if (xmlHttp.readyState==4)
   {
      if(document.getElementById(output)) {
      	document.getElementById(output).innerHTML=xmlHttp.responseText;
      }

   	if(output == 'div_shipping_cost' ||  output == 'div_experdite_value' ||  output == 'div_coupon_value' ||  output == 'update_state_amt' ||  output == 'div_shipping_address'  ){
   		ajaxWithID("update_order_total","1" + ajax_param,"div_grandtotal");
   	}
   }
}