function verifyempty() {
var txt = "";
  if (document.frmcontact.name.value=="") {
     txt = txt + "\n * Name";
  }
  if (document.frmcontact.email.value=="") {
    txt = txt + "\n * E-mail address";
  }
  if (document.frmcontact.telephone.value=="") {
     txt = txt + "\n * Telephone";
  }
  if (document.frmcontact.message.value=="") {
     txt = txt + "\n * Message";
  }
	if (txt) {
		alert ("The folowing fields are required:" + txt);
		return false;
	}
}