// JavaScript Document
<!--
function checkform ( Contactform )
{

// ** START **
  if (Contactform.Name.value == "") {
    alert( "Please enter your name." );
    Contactform.Name.focus();
    return false ;
  }
  // ** END **
  
  // ** START **
  if (Contactform.CompanyName.value == "") {
    alert( "Please enter your company name." );
    Contactform.CompanyName.focus();
    return false ;
  }
  // ** END **
  
  // ** START **
  if (Contactform.TelNo.value == "") {
    alert( "Please enter your telephone number." );
    Contactform.TelNo.focus();
    return false ;
  }
  // ** END **
  
  // ** START **
  if (Contactform.Email.value == "") {
    alert( "Please enter your email address." );
    Contactform.Email.focus();
    return false ;
  }
  // ** END **

  return true ;
}
//-->