// JavaScript Validator
function checkform ( form )
{

  // ** START **
  if (form.fname.value == "") {
    alert( "Please enter first name." );
    form.fname.focus();
    return false ;
  }
  
   if (form.lname.value == "") {
    alert( "Please enter your last name." );
    form.lname.focus();
    return false ;
  }
  
   if (form.email.value == "") {
    alert( "Please enter your email address." );
    form.email.focus();
    return false ;
  }
  
   if (form.textarea.value == "") {
    alert( "Please enter your comments." );
    form.textarea.focus();
    return false ;
  }
  
  

  return true ;
}