<!--
// //
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
   if (browserName == "Netscape" && browserVer >= 3) version = "n3";
   else if (browserVer >=4) version = "n3"; else version = "n2"

   if (version == "n3")  {

   button1on = new Image();
   button1on.src = "img_f/pl_on.gif";
   button1off = new Image();
   button1off.src = "img_f/pl_off.gif";

   button2on = new Image();
   button2on.src = "img_f/en_on.gif";
   button2off = new Image();
   button2off.src = "img_f/en_off.gif";

   button3on = new Image();
   button3on.src = "img_f/de_on.gif";
   button3off = new Image();
   button3off.src = "img_f/de_off.gif";

   button4on = new Image();
   button4on.src = "img_f/nl_on.gif";
   button4off = new Image();
   button4off.src = "img_f/nl_off.gif";

   button5on = new Image();
   button5on.src = "img_f/ru_on.gif";
   button5off = new Image();
   button5off.src = "img_f/ru_off.gif";

   buttonx1on = new Image();
   buttonx1on.src = "img_f/pl_on.gif";
   buttonx1off = new Image();
   buttonx1off.src = "img_f/pl_on.gif";

   buttonx2on = new Image();
   buttonx2on.src = "img_f/en_on.gif";
   buttonx2off = new Image();
   buttonx2off.src = "img_f/en_on.gif";

   buttonx3on = new Image();
   buttonx3on.src = "img_f/de_on.gif";
   buttonx3off = new Image();
   buttonx3off.src = "img_f/de_on.gif";

   buttonx4on = new Image();
   buttonx4on.src = "img_f/nl_on.gif";
   buttonx4off = new Image();
   buttonx4off.src = "img_f/nl_on.gif";
   
   button101on = new Image();
   button101on.src = "img_v1/st_red.gif";
   button101off = new Image();
   button101off.src = "img_v1/st_blue.gif";

   button102on = new Image();
   button102on.src = "img_v1/st_red.gif";
   button102off = new Image();
   button102off.src = "img_v1/st_blue.gif";

   button103on = new Image();
   button103on.src = "img_v1/st_red.gif";
   button103off = new Image();
   button103off.src = "img_v1/st_blue.gif";
   
   
   }
function img_act(imgName)  {
   if (version == "n3")  {
   imgOn = eval(imgName + "on.src");
   document [imgName].src = imgOn;
   }
}

function img_inact(imgName)  {
   if (version == "n3")  {
   imgOff = eval(imgName + "off.src");
   document [imgName].src = imgOff;
   }
}
// -
// -->