var error_text = '';
var type = '';

function submit_vision_sms(form_id){

    var file = '/special/vision-series/aj/ajsubmit.htm';
    var f = document.getElementById(form_id);
    var str = '';
    type = 'SMS';
    error_text = '<span class="error">Please provide a valid mobile number.</span>';

    for(var i = 0;i < f.elements.length;i++)
    {
        str += encodeURIComponent(f.elements[i].name) +
        "=" + encodeURIComponent(f.elements[i].value) + "&";
    }
   
    request.open( "POST", file, true );
    request.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");
    request.onreadystatechange = updateFields;
    request.send(str);    

    document.getElementById('submitSMS_fields').style.display = 'none';
    document.getElementById('ajres_SMS').innerHTML = "<img src='/i/aj/indiyell.gif'/>";
}

function submit_vision_email(form_id){

    var file = '/special/vision-series/aj/ajsubmit.htm';
    var f = document.getElementById(form_id);
    var str = '';
    type = 'Email';
    error_text = '<span class="error">Please provide a valid email address.</span>';

    for(var i = 0;i < f.elements.length;i++)
    {
        str += encodeURIComponent(f.elements[i].name) +
        "=" + encodeURIComponent(f.elements[i].value) + "&";
    }
   
    request.open( "POST", file, true );
    request.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");
    request.onreadystatechange = updateFields;
    request.send(str);

    document.getElementById('submitEmail_fields').style.display = 'none';
    document.getElementById('ajres_Email').innerHTML = "<img src='/i/aj/indiyell.gif'/>";

}

function updateFields() {
     if (request.readyState == 4) 
     {
       if (request.status == 200) {
          
          var response = request.responseText;

          if (response == 1) {
			document.getElementById('submit'+ type +'_fields').innerHTML = 'Thank-you you have now been subscribed.';
                        document.getElementById('submit'+ type +'_fields').style.display = '';
			document.getElementById('ajres_'+ type).innerHTML = "";
          }else {
                        document.getElementById('submit'+ type +'_fields').style.display = '';
			document.getElementById('ajres_'+ type).innerHTML = error_text;
          }
          
       }         
     }
}