function beschriften(zahl)
{
switch(zahl)
{
 case 0:
         parent.frames[0].location.href="navigHaupt.html";
         break;
 case 1:
         parent.frames[0].location.href="navig1.html";
         break;
 case 2:
         parent.frames[0].location.href="navig2.html";
         break;
 case 3:
         parent.frames[0].location.href="navig3.html";
         break;
 case 4:
        parent.frames[0].location.href="navig4.html";
         break;
 case 5:
        parent.frames[0].location.href="navig5.html";
         break;
 case 6:
        parent.frames[0].location.href="navig6.html";
         break;
        }
}