function submitIt(Number,Pin) {

    var valid = "0123456789";
    var ok = "yes";
    var temp;
    var field = Number;
    var field2 = Pin;

    //mobile number - check for letters
    for (var i=0; i<field.value.length; i++) {
      temp = "" + field.value.substring(i, i+1);
      if (valid.indexOf(temp) == "-1") ok = "no";
    }
    if (ok == "no") {
      alert("Only numbers are accepted.");
        field.focus();
        return false;
    }

    //mobile number - check if length is less than 6
    if (field.value.length < 6) {
      alert("You must enter a six digit mobile number.");
      field.focus();
      return false;
    }

    //pin number - check for letters
    for (var i=0; i<field2.value.length; i++) {
      temp = "" + field2.value.substring(i, i+1);
      if (valid.indexOf(temp) == "-1") ok = "no";
    }

    if (ok == "no") {
      alert("Only numbers are accepted.");
        field2.focus();
        return false;
    }

    //pin number - check if length is less than 4
    if (field2.value.length < 1) {
      alert("You must enter a four digit pin number.");
      field2.focus();
      return false;
    }

  }
  
  function check_number(ctrl)
{
    allowed = "0123456789 "
    obj = eval("document.form1." + ctrl)

    for (counter = 0; counter < obj.value.length; counter++)
    {
        my_char = obj.value.charAt(counter)
        if (allowed.indexOf(my_char) == -1)
        {
            alert("Only numbers are allowed!");
            obj.focus();
            return 1
        }
    }
    return 0
}

function check_num(ctrl1, ctrl2)
{

    obj1 = eval("document.form1." + ctrl1)
    obj2 = eval("document.form1." + ctrl2)

    allowed = "0123456789 "
    for (counter = 0; counter < obj1.value.length; counter++)
    {
        my_char = obj1.value.charAt(counter)
        if (allowed.indexOf(my_char) == -1)
        {
            alert("Only numbers are allowed!");
            obj1.focus();
            return 1
        }
    }
    return 0


    if (obj1.value.length > 1 && obj2.selectedIndex == -1)
    {
        alert ("Please select area code")
        return 1
    }
    if (obj1.value.length > 1)
        err = check_number(ctrl1);
    else
        err = 0
    return err
}

function check()
{
    err = check_num("bl4", "pbl4"); if (err == 1) return false;
    err = check_num("bl5", "pbl5"); if (err == 1) return false;
    err = check_num("bl6", "pbl6"); if (err == 1) return false;
    err = check_num("bl7", "pbl7"); if (err == 1) return false;
    err = check_num("bl8", "pbl8"); if (err == 1) return false;

    err = check_num("al9", "pal9"); if (err == 1) return false;
    err = check_num("al10", "pal10"); if (err == 1) return false;
    err = check_num("al11", "pal11"); if (err == 1) return false;
    err = check_num("al12", "pal12"); if (err == 1) return false;
    err = check_num("al13", "pal13"); if (err == 1) return false;

    err = check_number("vip_code"); if (err == 1) return false;
}