function remove_leading_blanks(p_field) {
var first_char = ' ';
  while (first_char == ' ') {
    first_char = p_field.substring(0,1);
    if (first_char == ' ') {
      p_field = p_field.substring(1,p_field.length);
    }
  }
return p_field;

}


function submit_info() {
 if (validate_info()) {
  document.forms[0].submit();
 }
}



function validate_info() {

 with(document.forms[0]) { 
   fname.value = remove_leading_blanks(fname.value);
   if (fname.value=='') {
      wrong_detail('First Name');
      return false;
   }
   sname.value = remove_leading_blanks(sname.value);
   if (sname.value=='') {
      wrong_detail('Surname');
      return false;
   }
   email.value = remove_leading_blanks(email.value);
   if (email.value=='') {
      wrong_detail('Email address');
      return false;
   }
 
 
 }
 return true; 
}

function wrong_detail(t_field) {
 alert('Please enter your ' + t_field);
}

function invalid_detail(t_field) {
 alert('Please enter a valid ' + t_field);
}