// JavaScript Document
function checkform ( theForm )
{

  if (theForm.zxnme.value == "") {
    alert( "Please enter your first name." );
    theForm.zxnme.focus();
    return false ;
  }
    if (theForm.zxlstnme.value == "") {
    alert( "Please enter your last name." );
    theForm.zxlstnme.focus();
    return false ;
}
    if (theForm.zxml.value == "") {
    alert( "Please enter your email address." );
    theForm.zxml.focus();
    return false ;
  }
  return true ;
}