function start()
{
   document.getElementById("rechts").src = "start.html";
   document.getElementById("vorhang").style.display = "none";
}



function overklick(x)
{

   for(i=1;i<=10;i++)
   {
      document.getElementById("menu"+i).style.textDecoration="none";
      document.getElementById("menu"+i).style.color="#000000";
      document.getElementById("vorhang").style.display = "none";
   }
   document.getElementById("menu"+x).style.color="#9e9eff";

   if(x == 8)
   {
      document.getElementById("vorhang").style.display = "block";
   }



}