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")
{
index1 = new Image(129,15);
index1.src = "./images/index1.gif";
index0 = new Image(129,15);
index0.src = "./images/index0.gif";

doprava1 = new Image(129,15);
doprava1.src = "./images/doprava1.gif";
doprava0 = new Image(129,15);
doprava0.src = "./images/doprava0.gif";

strojirenstvi1 = new Image(129,15);
strojirenstvi1.src = "./images/strojirenstvi1.gif";
strojirenstvi0 = new Image(129,15);
strojirenstvi0.src = "./images/strojirenstvi0.gif";

ekonomika1 = new Image(129,15);
ekonomika1.src = "./images/ekonomika1.gif";
ekonomika0 = new Image(129,15);
ekonomika0.src = "./images/ekonomika0.gif";

dalsi_sluzby1 = new Image(129,15);
dalsi_sluzby1.src = "./images/dalsi_sluzby1.gif";
dalsi_sluzby0 = new Image(129,15);
dalsi_sluzby0.src = "./images/dalsi_sluzby0.gif";

reference1 = new Image(129,15);
reference1.src = "./images/reference1.gif";
reference0 = new Image(129,15);
reference0.src = "./images/reference0.gif";

kontakt1 = new Image(129,15);
kontakt1.src = "./images/kontakt1.gif";
kontakt0 = new Image(129,15);
kontakt0.src = "./images/kontakt0.gif";


}



function ChangeImage(ImgId,OnOff)
{
	if (Java == "Enabled")
	{

	ImageSource = eval (ImgId + OnOff);


	img_menu = document.getElementById(ImgId);	
	img_menu.src = ImageSource.src;

	}

}

function openWindow(url, name, width, height) {
  popupWin = window.open(url, name, ',width=' + width + ',height=' + height +  ',scrollbars=0,status=0,resizable=0,left=25,right=25')
}