var agt=navigator.userAgent.toLowerCase();
var is_major = parseInt(navigator.appVersion);
var is_minor = parseFloat(navigator.appVersion);
var is_mac    = (agt.indexOf("mac")!=-1);
var topShift=25;
if (is_mac) topShift=20;
var pageWidth=746;
var menuCount=4;
var menuObj = new Array();
var menuOver = new Array();
var menuWasOver=new Array();
var menuShift = new Array();
var menuPosMax = new Array();

function show(id) {
	if (menuObj[id]!=null) {
		menuObj[id].visibility='visible';
	}
	//fadein(0,id);
}

/*function fadein(fade,id){
menuObj[id].filter =  "Alpha(Opacity="+(fade+30)+",finishopacity="+fade+",style=1,startx=0,starty=0,finishx=200,finishy=0)";
fade=fade+20;
if(fade < 100) {
timer1 = setTimeout("fadein("+fade+","+id+")",10)
} else {
timer1 = null;
}
}*/

function hide(id) {
	if (menuObj[id]!=null) {
		menuObj[id].visibility='hidden';
	}
}

function hideAll() {
	for (i=0;i<menuCount;i++) {
		hide(i);
	}
}

function showLayer(id) {
	hideAll();
	show(id);
}

function mOver(id) {
	if (menuOver[id]!=null) menuOver[id]=true;
	if (menuWasOver[id]!=null) menuWasOver[id]=0;
	showLayer(id);
}

function mOut(id) {
	if (menuOver[id]!=null) menuOver[id]=false;
}

function pageInit() {
	mOut(0);
	setTimeout('menuInit()', 400);
}

function menuInit() {
	for (i=0;i<menuCount;i++) {
		menuObj[i]=(document.getElementById('menu'+i+'Div')).style;
		menuObj[i].top=topShift;
		menuOver[i]=false;
		menuWasOver[i]=0;
	}
	menuShift[0]=108;
	menuShift[1]=218;
	menuShift[2]=327;
	menuShift[3]=437;
//	menuShift[4]=542;
	setTimeout('move()', 250);
}

function move() {
	for (i=0;i<menuObj.length;i++) {
		space = Math.floor((document.body.clientWidth-pageWidth) / 2);
		if (space<0) space=0;
		xtemp = menuShift[i] + space;
		menuObj[i].left=xtemp;
		if (!menuOver[i]) {
			if (menuWasOver[i]>0) {
				hide(i);
			}
			else {
				menuWasOver[i]++;
			}
		}
	}
	setTimeout('move()', 500);
}



function TextToDIV(Text,Nr)
{
var kastenid="kasten"+Nr;

if(document.all && !document.getElementById) // IE 4
{
document.all[kastenid].innerHTML=Text;
}

if(document.layers) // NN 4.x
{
Text="<FONT COLOR='blue'>"+Text+"<\/FONT>";
document.layers[kastenid].document.open();
document.layers[kastenid].document.write(Text);
document.layers[kastenid].document.close();
}

if (document.getElementById) // IE 5.x und NN 6
{
document.getElementById(kastenid).firstChild.data=Text;
// oder document.getElementById(kastenid).innerHTML=Text;
}
}


// window.setTimeout('init()', 500);