function populateTo(f) {
  
  if (f.firstname.value.length < 1)
  {

    alert("First Name is Mandatory");
    return false;
  }
  if (f.lastname.value.length < 1)
  {
    alert("Last Name is Mandatory");
    return false;
  }
  if (f.emailaddress.value.length < 1)
  {
    alert("Email Address is Mandatory");
    return false;
  }
  
  if (f.subject.value.length < 1)
  {
    alert("Subject is Mandatory");
    return false;
  }
  else
  {
    f.subject.value = "[portal] " + f.subject.value;
	//submitform();
  }
    submitform();
	return true;
  }

  function submitform()
	 {         
	    captchWin = window.open("","captchaWin","menubar=no,location=no,toolbar=no,directories=no,scrollbars=yes,status=no,resizable=yes,width=350,height=200,toolbar=0"); 
	    captchWin.focus();
		captchWin.moveTo(500,200);
		var a = window.setTimeout("document.contact_us_request.submit();",500); 
	 }