if ((navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 3) || (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) >=4)) Java = "Enabled";
else Java = "Disabled";
if (Java == "Enabled")
{
czech0 = new Image();
czech0.src = "obrazy/intro_rezy_03.jpg";
czech1 = new Image();
czech1.src = "obrazy/intro_rezy2_03.jpg";

slovak0 = new Image();
slovak0.src = "obrazy/intro_rezy_04.jpg";
slovak1 = new Image();
slovak1.src = "obrazy/intro_rezy2_04.jpg";

madar0 = new Image();
madar0.src = "obrazy/intro_rezy_05.jpg";
madar1 = new Image();
madar1.src = "obrazy/intro_rezy2_05.jpg";

polsky0 = new Image();
polsky0.src = "obrazy/intro_rezy_06.jpg";
polsky1 = new Image();
polsky1.src = "obrazy/intro_rezy2_06.jpg";

kanada0 = new Image();
kanada0.src = "obrazy/intro_rezy_07.jpg";
kanada1 = new Image();
kanada1.src = "obrazy/intro_rezy2_07.jpg";

}

function ChangeImage(ImgName,OnOff)
{
if (Java == "Enabled")
{
ImageSource = eval (ImgName + OnOff);
document[ImgName].src = ImageSource.src;
}
}


function zobrazSkryj(idecko){
el=document.getElementById(idecko).style;
el.display=(el.display == 'block')?'none':'block';
}