//zmiana textu po kliknieciu w inputa
function change_values(obj) 
{
   if (obj.value == obj.defaultValue) { obj.value = ""; }
   else if (obj.value == "") { obj.value = obj.defaultValue; }
}

	function submitenter(myfield,e)
	{
	var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	else return true;
	if (keycode == 13)
	{
	document.logowanie.submit();
	return false;
	}
	else
	return true;
	}