var AgentName = navigator.appName;
var AgentVersion = parseInt(navigator.appVersion);
var version = "";
if(AgentName == "Netscape" && AgentVersion <= 2)
{
	version = "n2";
}
else
{
	version = "x3";
}
if(version == "x3")
{

   // first button
	nagradi = new Image;
	nagradi.src = "images/bt_nagradi_out.jpg";
	nagradi2 = new Image;
	nagradi2.src = "images/bt_nagradi_over.jpg";
	// second button
	pegas = new Image;
	pegas.src = "images/bt_pegas_out.jpg";
	pegas2 = new Image;
	pegas2.src = "images/bt_pegas_over.jpg";
	// third button
	country = new Image;
	country.src = "images/bt_country_out.jpg";
	country2 = new Image;
	country2.src = "images/bt_country_over.jpg";
	// fourth button
	services = new Image;
	services.src = "images/bt_services_out.jpg";
	services2 = new Image;
	services2.src = "images/bt_services_over.jpg";
	// fifth button
	forum = new Image;
	forum.src = "images/bt_forum_out.jpg";
	forum2 = new Image;
	forum2.src = "images/bt_forum_over.jpg";
	// sixth button
	proezd = new Image;
	proezd.src = "images/bt_proezd.jpg";
	proezd2 = new Image;
	proezd2.src = "images/bt_proezd_over.jpg";
	// seventh button
	about = new Image;
	about.src = "images/bt_about.jpg";
	about2 = new Image;
	about2.src = "images/bt_about_over.jpg";
	// eighth button
	contacts = new Image;
	contacts.src = "images/bt_contacts.jpg";
	contacts2 = new Image;
	contacts2.src = "images/bt_contacts_over.jpg";
	// nineth button
	main = new Image;
	main.src = "images/bt_main.jpg";
	main2 = new Image;
	main2.src = "images/bt_main_over.jpg";
	}
   // Mouse over
function mouse_over(object)
{
	if(version == "x3")
	{
		var imgOn = eval(object + "2.src");
		document[object].src = imgOn;
	}
}
	// Mouse out
function mouse_out(object)
{
	if(version == "x3")
	{
		var imgOff = eval(object + ".src");
		document[object].src = imgOff;
	}
}