var req1;
var doesNotSupport1 = true;
function purchase_code_check(url,c){
    //alert(url);

    if(window.XMLHttpRequest) {
       req1 = new XMLHttpRequest;
    } else if (window.ActiveXObject) {
       req1 = new ActiveXObject("Microsoft.XMLHTTP");
    }

    if(req1) {

       url=url+"?code="+c;
       req1.open("POST",url, true);
       req1.setRequestHeader('Content-Type','application/x-www-form-urlencoded');

       var postvalues="";
       postvalues="code="+c;

       //alert(postvalues);
       
       req1.send(postvalues);
       req1.onreadystatechange = processReqChangex;

    } else {
       alert("Please use latest version of the current browser to function properly");
       doesNotSupport1 = false;
    }
}

function processReqChangex() {

   //alert(req1.readyState);

    if(req1.readyState == 4) {

       //alert(req1.status);
       
       if(req1.status == 200) {

          var aa=req1.responseText;
          
          var splitvar=aa.split("~");

          //alert(aa);

          //alert(splitvar[0]);

          if(splitvar[0] == 7){
             alert("Distributor code should be valid");
             document.form1.user_code.value="";
          }
          if(splitvar[0] == -1){
             alert("Distributor code  should be in numeric");
             document.form1.user_code.value="";
          }
          if(splitvar[0] == 1){
            // alert("Distributor code verified one, continue your process");
             document.getElementById('progress2').innerHTML = splitvar[1];
          }
          if(splitvar[0] == 0){
             alert("Distributor code not exists, you can't able to continue this Distributor code");
             document.form1.user_code.value="";
          }
          if(splitvar[0] == 2){
             //alert("You have to purchase as  retail customer");
             //alert(splitvar[1]);
             document.getElementById('progress2').innerHTML = splitvar[1];
          }

       }
    }
}