function validateForm(form) {
if (form.mailTo1.value == "") {
   alert("Please fill in at least one friend's email address");
   form.mailTo1.focus( );
   return false;
   }
if (form.nameFrom.value == "") {
   alert("Please fill in your name");
   form.nameFrom.focus( );
   return false;
   }
if (form.mailFrom.value == "") {
   alert("Please fill in your email address");
   form.mailFrom.focus( );
   return false;
   }
}