var gotlayers = 1;
var loaded;
var version = navigator.appVersion.substr(0,1);
var ns = navigator.appName.indexOf("Netscape") != -1;
var ie = navigator.appName.indexOf("Microsoft") != -1;
var NS4 = ns && version == 4;
var NS6 = ns && version > 4;
var IE4 = ie && version >= 4;
var ver4 = (NS4 || IE4) ? 1 : 0;
pPath = pagePath (document.location.pathname);

 
function pagePath (pageURL) {
	var index = pageURL.length;

	while ((pageURL.charAt(index) != "/") && (index > 0))
	index--;

	return pageURL.substr (0, index);
}
 
function languageSwitch (pageURL, lang) {
	// lang ist die Sprache, in die gewechselt werden soll. Gueltige Werte sind zZt. "de" und "en".

	if (pageURL.indexOf ("/de/") != -1) {
		var index = pageURL.indexOf ("/de/");
		returnValue = pageURL.substr (0, index) + "/" + lang + "/" + pageURL.substr (index + 4, pageURL.length);
	} else if (pageURL.indexOf ("/en/") != -1) {
		var index = pageURL.indexOf ("/en/");
		returnValue = pageURL.substr (0, index) + "/" + lang + "/" + pageURL.substr (index + 4, pageURL.length);
    	} else {
		returnValue = pageURL;
	}
	document.location = returnValue;
}
 
function Init() {
	
	loaded=true;
	moveLayers();
}

function IndexInit() {
    
	loaded=true;
}

function moveLayers() {
	if (gotlayers) {
	if (NS4 || NS6) {
		screenWidth = window.innerWidth +10;
		screenHeight = window.innerHeight;
		//document.layers['Copyright'].left = screenWidth-120;
		//document.layers['Copyright'].top = window.pageYOffset+screenHeight-30;
	}

	else {
		screenWidth = document.body.clientWidth + 18;
		screenHeight = document.body.clientHeight + 1;
	}
	setTimeout ("moveLayers()", 200); 
	}
}

function popUp(layerName, on) {
	if (on) {
		if (NS4) {
			eval("document.layers." + layerName + ".visibility = 'show';");
		}
		if (IE4) {
			document.all[layerName].style.visibility = "visible";
		}
		if (NS6) {
			document.getElementById(layerName).style.visibility = "visible";
		}
	} else {
		if (NS4) {
			eval("document.layers." + layerName + ".visibility = 'hide';");
		}
		if (IE4) {
			document.all[layerName].style.visibility = "hidden";
		}
		if (NS6) {
			document.getElementById(layerName).style.visibility = "hidden";
		}
	}
}
 
function ShowOnlyLayer(layer, pos)
{
if (loaded) {

	popUp('m1',0);
	popUp('m2',0);
	popUp('m3',0);
	popUp('m4',0);
	popUp('m5',0);
	popUp('m6',0);
	popUp('m7',0);
	popUp(layer,1);
	popUp('theframe',1);
	moveHighlight(pos);

}
}

function ClearMenues()
{
if (loaded) {
	popUp('m1',0);
	popUp('m2',0);
	popUp('m3',0);
	popUp('m4',0);
	popUp('m5',0);
	popUp('m6',0);
	popUp('m7',0);
	popUp('theframe',0);
	moveHighlight(highpos);

}
}

function moveHighlight(pos) {

	if (NS4) {
	eval("document.layers.Highlight.left = " + pos + ";");

	} else {
		document.all['Highlight'].style.pixelLeft = pos;
	}

}



function Load()
{
loaded=true;
}


function ShowSubmenu(Frame, MainMenuName, SubMenuName)
{
	ShowOnlyLayer(Frame)
	popUp(MainMenuName,1)
	popUp(SubMenuName,1)
}

function ShowBSubmenu(Frame, MainMenuName, SubMenuName, block)
{
	ShowOnlyLayer(Frame);
	if (currentblock != "")
	{
		if (NS4) {
			eval("document."+MainMenuName+".document."+currentblock+".src='../bilder/wb.gif';");
			} else {
				eval('self.document.'+currentblock+'.src="../bilder/wb.gif";');
			}
	}
	if (NS4) {
		eval("document."+MainMenuName+".document."+block+".src='../bilder/yb.gif';");
		} else {
			eval('document.'+block+'.src="../bilder/yb.gif";');
		}
	// eval("self.document."+block+".src='../bilder/yb.gif';");
	currentblock=block;
	currentmenu=MainMenuName;
	popUp(MainMenuName,1);
	popUp(SubMenuName,1);
}


function showTime(time)
{
	popUp('t1952',0);
	popUp('t2002',0);
	popUp('t1950',0);
	popUp('t1934',0);
	popUp('t1868',0);
	popUp('t1652',0);
	popUp('t1781',0);
	popUp('t1847',0);
	popUp('t1954',0);
	popUp('t1990',0);
	popUp('t1996',0);
	popUp('t1999',0);
	popUp('t2000',0);
	popUp(time,1);
}

function noTime()
{
//	popUp('t1952',0);
//	popUp('t2002',0);

}

function pagePath (temp)
{
    var index = temp.length - 1;
    while ((temp.charAt(index) != "/") && (index > 0))
        index--;
    var pageURL = temp.substr (0, index);
    return pageURL;
}

function callpage ( loc ) {
         document.location = pPath + "/" + loc;

}

function callnewpage( loc, name ) {
	newWindow=window.open(pPath + "/" + loc, name,"toolbar=yes,scrollbars=yes,dependent=yes,resizable=yes");
	newWindow.moveTo (0,0);
	newWindow.resizeTo (830,700);
	newWindow.focus();
}

function callextern(loc, name ) {
	newWindow=window.open(loc, name,"toolbar=yes,scrollbars=yes,dependent=no,resizable=yes");
	newWindow.moveTo (0,0);
	newWindow.resizeTo (800,600);
	newWindow.focus();
}