nMaxItem = 4;
NameIndex = 0;
DefaultState = 1;

MouseOverState = 2;
MouseDownState = 3;
imgCounter = 0;

ImageList = new Array();

bIsSupportOK = (
	((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) ||
	((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ))
);

function AddImageToImageList(name, Default, MouseOver, MouseDown)
{
	ImageList[imgCounter] = new Array(nMaxItem);
	ImageList[imgCounter][NameIndex] = name;
	ImageList[imgCounter][DefaultState] = new Image();
	ImageList[imgCounter][DefaultState].src = Default;
	if (MouseOver != "") {
		ImageList[imgCounter][MouseOverState] = new Image();
		ImageList[imgCounter][MouseOverState].src = MouseOver;
	}
	if (MouseDown != "") {
		ImageList[imgCounter][MouseDownState] = new Image();
		ImageList[imgCounter][MouseDownState].src = MouseDown;
	}

	imgCounter++;
}

function ReplaceImage(name, state)
{
	for (i = 0; i < imgCounter; i++) {
		if (document.images[ImageList[i][NameIndex]] != null) {
			if ((name == ImageList[i][NameIndex]) && (ImageList[i][state] != null))
				document.images[name].src = ImageList[i][state].src;
		}
	}
}

// ------------
// . First:
// . You can copy the "AddImageToImageList(...)" script and
// . paste it into your HTML file to compile and
// . define your rollover button.
// . ------------

AddImageToImageList("home", "./nav/home_normal.gif", "./nav/home_over.gif", "./nav/home_down.gif");
AddImageToImageList("kbahn", "./nav/kbahn_normal.gif", "./nav/kbahn_over.gif", "./nav/kbahn_down.gif");
AddImageToImageList("erg", "./nav/erg_normal.gif", "./nav/erg_over.gif", "./nav/erg_down.gif");
AddImageToImageList("team", "./nav/team_normal.gif", "./nav/team_over.gif", "./nav/team_down.gif");
AddImageToImageList("zeit", "./nav/zeit_normal.gif", "./nav/zeit_over.gif", "./nav/zeit_down.gif");
AddImageToImageList("schach", "./nav/schach_normal.gif", "./nav/schach_over.gif", "./nav/schach_down.gif");
AddImageToImageList("gb", "./nav/gb_normal.gif", "./nav/gb_over.gif", "./nav/gb_down.gif");
AddImageToImageList("paper", "./nav/paper_normal.gif", "./nav/paper_over.gif", "./nav/paper_down.gif");
AddImageToImageList("links", "./nav/links_normal.gif", "./nav/links_over.gif", "./nav/links_down.gif");
AddImageToImageList("email", "./nav/email_normal.gif", "./nav/email_over.gif", "./nav/email_down.gif");
AddImageToImageList("about", "./nav/about_normal.gif", "./nav/about_over.gif", "./nav/about_down.gif");
AddImageToImageList("nw", "./nav/nw_normal.gif", "./nav/nw_over.gif", "./nav/nw_down.gif")
AddImageToImageList("termi", "./nav/termi_normal.gif", "./nav/termi_over.gif", "./nav/termi_down.gif")