function email_notice()
{
    var msg = "\n  A trouble ticket will be generated. \n\n" +
              "  Would you like to continue? "

    return(confirm(msg)) ;
}

function validate_contact_method ()
{

   if ( document.forms[0].contact_method.selectedIndex == 1 ) {		// E-Mail
      if ( document.forms[0].username.value == "" ) 
         return (alert ("Please enter an E-mail Address.") );

   } else if ( document.forms[0].contact_method.selectedIndex == 2 ) {	// Phone
      if ( document.forms[0].phone.value == "" )
         return (alert ("Please enter a Phone Number.") );

   } else {
         return (alert ("Please select a valid Contact Method.") );
   }
   return (true);
}

function validate_email_us ()
{

   if ( validate_contact_method () == true )
      return (email_notice());
  else 
      return (false);

}