function fnValidator()
{
  if(frmLogin.txtUName.value== "")
  {
	alert("Please enter your user name.");
	frmLogin.txtUName.focus();
	return false;
  }

  if(frmLogin.txtPass.value=="")
  {
	alert("Please enter password.");
	frmLogin.txtPass.focus();
	return false;
  }
    return true;
}

function DiscardApostrophe(key)
{
	if (key==39)
	return 0;
	else
	return key;
}

function fnDisallowApostrophe() {
window.event.keyCode=DiscardApostrophe(window.event.keyCode);
return true;
}