var mob_no,m_Id;
function checkDNC(mobile, strId) {    
    mob_no = mobile;
    m_Id = strId;
    var xmlHttp = getNewDNC();
    var rndNumber = parseInt(Math.random() * 9999999);
    var url = "dnc/checkdnc.aspx?mobile=" + mobile + "&rnd=" + rndNumber;    
      //alert(url);
    xmlHttp.onreadystatechange = DNCState;
    xmlHttp.open('GET', url, true);
    xmlHttp.send(null);
  
}


function getNewDNC() {
    if (window.XMLHttpRequest) {
        xmlHttp = new XMLHttpRequest();
    }
    else if (window.ActiveXObject) {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    return xmlHttp;
}

function DNCState() {
    if (xmlHttp.readyState == 4) {
        var result = xmlHttp.responseText;
        if (result != "OK") 
        {
            document.getElementById("dnc").style.display = "";
            if (m_Id == "alternatemobile")
            {
                document.getElementById("altno").value = "1";                      
                //alert(document.getElementById("altno").value);
                
                 alert("This number is also registered with DNC.\n Please provide an alternate number.");
            }
            else
            {
                document.getElementById("alternatemobile").value = "";
                document.getElementById("alternatemobile").focus();
                document.getElementById("dncno").value = "1";      
                
            }
            return false;
        }
        else 
        {
        
            if (m_Id != "alternatemobile")
            {
//                document.getElementById("dnc").style.display = "none";
//                document.getElementById("alternatemobile").value = mob_no;
                document.getElementById("dncno").value = "0";                                                 
            }
            else
            {
                //document.getElementById("dnc").style.display = "none";
              
                document.getElementById("altno").value = "0";         
                //alert(document.getElementById("altno").value); 
               // alert(document.getElementById("altno").value);           
            }
        }
        
    }
}