function contact_verify()
{
  var name=$('name').get('value') ; ;
  var company = $('company').get('value') ;
  var email = $('email').get('value') ;
  
  var msg = '' ;
  
  if ($chk(name) == false) msg += 'Please enter your name\r\n' ;
  if ($chk(company) == false) msg += "Please enter your company name\r\n" ;
  if ($chk(email) == false) msg += "Please enter your email address\r\n" ;
  
  if (msg.length != 0) {
    alert(msg) ;
    return false ;
  } else return true ;
}