function initNavi()
{
        SubAufbauObj=new getObj('SubAufbau');
        SubRisikofaktorenObj=new getObj('SubRisikofaktoren');
        SubGesundeHautObj=new getObj('SubGesundeHaut');
        SubErkrankteHautObj=new getObj('SubErkrankteHaut');
        SubZwischenTherapienObj=new getObj('SubZwischenTherapien');

                MiddlePosi=document.all.body.offsetWidth/2;

                SubAufbauObj.style.left=MiddlePosi-383;
                SubRisikofaktorenObj.style.left=MiddlePosi-275;
                SubGesundeHautObj.style.left=MiddlePosi-175;
                SubErkrankteHautObj.style.left=MiddlePosi-66;
                SubZwischenTherapienObj.style.left=MiddlePosi+43;

        init=true;
}

function mousepos()
{
        document.onmousemove = mouseMove;
        if (document.layers) {document.captureEvents(Event.MOUSEMOVE)}
}

function mouseMove(e)
{
        if (document.layers)
        {
                x = e.pageX
                y = e.pageY
        }
    else
        {
                x = event.x
                y = event.y
        }

        if (x<parseInt(SubAufbauObj.style.left)||x>parseInt(SubAufbauObj.style.left)+175||y<155||y>370) {SubAufbauObj.style.visibility="hidden";showText();}
        if (x<parseInt(SubRisikofaktorenObj.style.left)||x>parseInt(SubRisikofaktorenObj.style.left)+173||y<118||y>395) {SubRisikofaktorenObj.style.visibility="hidden";showText();}
        if (x<parseInt(SubGesundeHautObj.style.left)||x>parseInt(SubGesundeHautObj.style.left)+185||y<110||y>402) {SubGesundeHautObj.style.visibility="hidden";showText();}
        if (x<parseInt(SubErkrankteHautObj.style.left)||x>parseInt(SubErkrankteHautObj.style.left)+185||y<149||y>380) {SubErkrankteHautObj.style.visibility="hidden";showText();}
        if (x<parseInt(SubZwischenTherapienObj.style.left)||x>parseInt(SubZwischenTherapienObj.style.left)+165||y<115||y>380) {SubZwischenTherapienObj.style.visibility="hidden";showText();}

//        window.status = "X Pos: "+x+" Y Pos "+y+"  LayerObj.name= "+LayerObj.name+" LayerObj.style.right= "+LayerObj.style.left+173;
}

function showLayer(layer)
{
        if(init)
        {
//                if(!LayerObj){document.images["img_intro"].src="common/spacer.gif";}else{LayerObj.style.visibility = "hidden";}
                if(LayerObj){LayerObj.style.visibility="hidden";}
                document.images["img_intro"].src="../common/spacer.gif";
                LayerObj=new getObj(layer);
                LayerObj.style.visibility="visible";
                mousepos();
        }
}

function showText()
{
        if(LayerObj.style.visibility=="hidden"){document.images["img_intro"].src="../common/imgintro/img_intro_ger.gif";}
}