{

   var but1=""

   var but2="" 

window.onerror=null;

browserName = navigator.appName;

browserVer = parseInt(navigator.appVersion);

 ver = "yes";

if (browserVer < 4) ver = "no";

if(ver == "yes") 

{

przycisk1a = new Image (95,22);       

przycisk1a.src = "images/home.gif";

przycisk1b = new Image (95,22);

przycisk1b.src = "images/home1.gif";



przycisk2a = new Image (30,22);       

przycisk2a.src = "images/fleet.gif";

przycisk2b = new Image (30,22);

przycisk2b.src = "images/fleet1.gif";



przycisk3a = new Image (65,22);       

przycisk3a.src = "images/regulations.gif";

przycisk3b = new Image (65,22);

przycisk3b.src = "images/regulations1.gif";



przycisk4a = new Image (51,22);       

przycisk4a.src = "images/pricelist.gif";

przycisk4b = new Image (51,22);

przycisk4b.src = "images/pricelist1.gif";



przycisk5a = new Image (65,22);       

przycisk5a.src = "images/reservation.gif";

przycisk5b = new Image (65,22);

przycisk5b.src = "images/reservation1.gif";



przycisk6a = new Image (45,22);       

przycisk6a.src = "images/contact.gif";

przycisk6b = new Image (45,22);

przycisk6b.src = "images/contact1.gif";




przycisk7a = new Image (72,22);       

przycisk7a.src = "images/cooperation.gif";

przycisk7b = new Image (72,22);

przycisk7b.src = "images/cooperation1.gif";







}



function zmien (nrPrzycisku, nazwaObrazka)



{

 if (ver=="yes")

  {

	document.images[nrPrzycisku-1].src = eval (nazwaObrazka + ".src");

  }

}







}

<!--

function displayWindow(url, width, height, left, top) {

        var Win = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ', left=' + left +', top=' + top +',resizable=0,scrollbars=no,menubar=no' );

}

//-->