var eypos=-200, ejump=-4;
var typos=-260, tjump=-4;
var delay=2;
function do_menue()
{
   if(typos>-260)
   {
       tjump=-4;
       if(typos>=130)
       head_fahren();
   }
        ejump=-ejump;
        if(eypos<=-200 || eypos>=1)
        menue_fahren();
}
function menue_fahren()
{
        if(document.layers) document.menue.top=eypos; else document.all.menue.style.top=eypos;
        eypos+=ejump;
        if(eypos>-200 && eypos<1)
        setTimeout("menue_fahren()", delay);
}
function do_head()
{
       if(eypos>-200)
        {
        ejump=-4;
        if(eypos>=1)
        menue_fahren();
        }
        tjump=-tjump;
        if(typos<=-260 || typos>=130)
        head_fahren();
}
function head_fahren()
{
       if(document.layers) document.head.top=typos; else document.all.head.style.top=typos;
        typos+=tjump;
        if(typos>-260 && typos<130)
        setTimeout("head_fahren()", delay);
}