function check(){
if (layerhoehe<380){
    if (navTyp == 'NS'){
        document.layers['unten'].visibility = 'hidden';
        document.layers['oben'].visibility = 'hidden';
        document.layers['bg'].visibility = 'hidden';
            }
    if (navTyp == 'NS6'){
      document.getElementsByTagName("div")["unten"].style.visibility = 'hidden';
      document.getElementsByTagName("div")['oben'].style.visibility = 'hidden';
      document.getElementsByTagName("div")['bg'].style.visibility = 'hidden';
            }
    if (navTyp == 'MSIE'){
      document.all['unten'].style.visibility = 'hidden';
      document.all['oben'].style.visibility = 'hidden';
      document.all['bg'].style.visibility = 'hidden';
            }
        }
}

function hoehe()
{
if (navTyp == 'NS')
        {
        var page = eval(document.contentLayer);
        layerhoehe = (page.clip.height);
                window.status = (page.clip.height);
        }
else
        {
        if (navTyp == 'NS6')
                {
                var page= eval(document.getElementById('contentLayer').style);
                layerhoehe = (document.getElementById('contentLayer').offsetHeight);
                }
        else
                {
                if (navTyp == 'MSIE')
                        {
                        var page = eval(document.all.contentLayer.style);
                        layerhoehe = (document.all.contentLayer.offsetHeight);
                }
            }
        }
}
function scrollup()
//Scrollt den Text nach oben
{
if(navTyp=='NS')
        {
        if(document.contentLayer.clip.bottom < layerhoehe)
                {
                document.contentLayer.top -= step;
                document.contentLayer.clip.top += step;
                document.contentLayer.clip.bottom += step;
                lauf = setTimeout('scrollup()',10);
                }
        else
                {
                clearTimeout(lauf);
                }
        }
if(navTyp=='NS6')
        {
        if(run< layerhoehe-unten)
                {
                run = run + step;
                document.getElementsByTagName('div')['contentLayer'].style.clip = 'rect(' + run + 'px 750px ' + (380 + run) + 'px 0px)';
                document.getElementsByTagName('div')['contentLayer'].style.top = parseInt(document.getElementsByTagName('div')['contentLayer'].style.top)-step;
                lauf = setTimeout('scrollup()',10);
                }
        else
                {
                clearTimeout(lauf);
                }
        }
if(navTyp=='MSIE')
        {
        if(run< layerhoehe-unten)
                {
                run = run + step;
                document.contentLayer.style.clip = 'rect(' + run + 'px 750px ' + (380 + run) + 'px 0px)';
                document.contentLayer.style.top = parseInt(document.contentLayer.style.top)-step;
                lauf = setTimeout('scrollup()',10);
                }
        else
                {
                clearTimeout(lauf);
                }
        }
}

function scrolldown()
{
if(navTyp=='NS')
        {
        if(document.contentLayer.clip.top > 0)
                {
                document.contentLayer.top += step;
                document.contentLayer.clip.top -= step;
                document.contentLayer.clip.bottom -= step;
                lauf = setTimeout('scrolldown()',10);
                }
        else
                {
                clearTimeout(lauf);
                }
        }
if(navTyp=='NS6')
        {
        if(run >0)
                {
                run = run - step;
                document.getElementsByTagName('div')['contentLayer'].style.clip = 'rect(' + run + 'px 750px ' + (380 + run) + 'px 0px)';
                document.getElementsByTagName('div')['contentLayer'].style.top = parseInt(document.getElementsByTagName('div')['contentLayer'].style.top)+step;
                lauf = setTimeout('scrolldown()',10);
                }
        else
                {
                clearTimeout(lauf);
                }
        }
if(navTyp=='MSIE')
{
if(run >0)
        {
        if(parseInt(document.contentLayer.style.top) < 115)
                {
                run = run - step;
                document.contentLayer.style.clip = 'rect(' +run + 'px 750px ' + (380 + run) + 'px 0px)';
                document.contentLayer.style.top = parseInt(document.contentLayer.style.top)+step;
                lauf = setTimeout('scrolldown()',10);
                }
        else
                {
                clearTimeout(lauf);
                }
        }
}
}
var test =0;
function clippe(){
//if(parent.menu){
if(navTyp=='NS')
        {
        document.contentLayer.clip.bottom = 380;
        }
if(navTyp=='MSIE')
        {
        document.contentLayer.style.clip = 'rect(0px 750px 380px 0px)';
        }
if(navTyp=='NS6')
        {
        document.getElementById('contentLayer').style.clip = 'rect(0px 750px 380px 0px)';
        }
//}
}