if (document.images) {

BttNorm = new Array();
BttOver = new Array();

BttNorm[0]  = new Image();BttNorm[0].src  = "../pict/01.gif"
BttOver[0]  = new Image();BttOver[0].src  = "../pict/02.gif"
BttNorm[1]  = new Image();BttNorm[1].src  = "../pict/03.gif"
BttOver[1]  = new Image();BttOver[1].src  = "../pict/04.gif"
BttNorm[2]  = new Image();BttNorm[2].src  = "../pict/05.gif"
BttOver[2]  = new Image();BttOver[2].src  = "../pict/06.gif"
BttNorm[3]  = new Image();BttNorm[3].src  = "../pict/07.gif"
BttOver[3]  = new Image();BttOver[3].src  = "../pict/08.gif"
BttNorm[4]  = new Image();BttNorm[4].src  = "../pict/09.gif"
BttOver[4]  = new Image();BttOver[4].src  = "../pict/10.gif"
BttNorm[5]  = new Image();BttNorm[5].src  = "../pict/11.gif"
BttOver[5]  = new Image();BttOver[5].src  = "../pict/12.gif"
BttNorm[6]  = new Image();BttNorm[6].src  = "../pict/13.gif"
BttOver[6]  = new Image();BttOver[6].src  = "../pict/14.gif"
}

var erstesBild = 2;
var anzahlBilder  = 7;
var ImgNr = null;

function Change(Img,an) 
{	if (document.images)
	{	if (ImgNr != Img)
		{	if (an ==1)
				document.images[Img + erstesBild].src = BttOver[Img].src;
			else
				document.images[Img + erstesBild].src = BttNorm[Img].src;
		}
	}
}


function ImgAktiv(Img) 
{	if (document.images) 
	{	for (var i = 0 ; i < anzahlBilder; i++) 
		{	if (i == Img) 
				document.images[i + erstesBild].src = BttOver[i].src;
			else
				document.images[i + erstesBild].src = BttNorm[i].src;
		}
		ImgNr = Img;
	}
}


function frameCtrl() 
{
if(top.frames.length != 8)
top.location.href="index.html";
}



var erstBild = 0;
var zahlBilder  = 3;
var ImgNmr = null;

function ChangeTop(Img,an) 
{	if (document.images)
	{	if (document.ImgNmr != Img)
		{	if (an ==1)
				document.images[Img + erstBild].src = BttOvertop[Img].src;
			else
				document.images[Img + erstBild].src = BttNormtop[Img].src;
		}
	}
}


function ImgAktTop(Img) 
{	if (document.images) 
	{	for (var i = 0 ; i < zahlBilder; i++) 
		{	if (i == Img) 
				document.images[i + erstBild].src = BttOvertop[i].src;
			else
				document.images[i + erstBild].src = BttNormtop[i].src;
		}
		document.ImgNmr = Img;
	}
}

			
function navFrameCons()
{  if  (top.content_top.location.href != "../consulting/cons_top.html")
		top.content_top.location.href = "../consulting/cons_top.html";
}

function navFrameCont()
{  if  (top.content_top.location.href != "../cotact/cont_top.html")
		top.content_top.location.href = "../contact/cont_top.html";
}

function navFrameProf()
{  if  (top.content_top.location.href != "../profession/prof_top.html")
		top.content_top.location.href = "../profession/prof_top.html";
}

function navFrameRes()
{  if  (top.content_top.location.href != "../research/res_top.html")
		top.content_top.location.href = "../research/res_top.html";
}

function navFramePub()
{  if  (top.content_top.location.href != "../publications/pub_top.html")
		top.content_top.location.href = "../publications/pub_top.html";
}

function navFrameLink()
{  if  (top.content_top.location.href != "../links/link_top.html")
		top.content_top.location.href = "../links/link_top.html";
}

function navFrameHome()
{  if  (top.content_top.location.href != "../introduction/intro_top.html")
		top.content_top.location.href = "../introduction/intro_top.html";
}

//anderes Ziel

function navFrameReset()
{  if  (top.sub_nav.location.href != "../navi/spacer_subnav.html")
		top.sub_nav.location.href = "../navi/spacer_subnav.html";
}


function navFrameArticle()
{  if  (top.sub_nav.location.href != "../publications/sub_articles.html")
		top.sub_nav.location.href = "../publications/sub_articles.html";
}

function navFrameHist()
{  if  (top.sub_nav.location.href != "../profession/sub_history.html")
		top.sub_nav.location.href = "../profession/sub_history.html";
}

function navFrameAct()
{  if  (top.sub_nav.location.href != "../profession/sub_activity.html")
		top.sub_nav.location.href = "../profession/sub_activity.html";
}