function menu(id)
{
   var id;

   if(id==1)
   {
      document.getElementById("menu2").innerHTML="<ul><li><a href=\"index.html\">Forside</a></li></ul>";
   }
   if(id==2)
   {
      document.getElementById("menu2").innerHTML="<ul><li><a href=\"search_school.html\">Find skolen</a></li><li><a href=\"your_schools.html\">Dine skoler og klasser</a></li></ul>";
   }
   if(id==3)
   {
      document.getElementById("menu2").innerHTML="<ul><li><a href=\"search_friends.html\">Find venner</a></li><li><a href=\"friends.html\">Vennelisten</a></li><li><a href=\"skype_friends.html\">Skype venner</a></li></ul>";
   }
   if(id==4)
   {
      document.getElementById("menu2").innerHTML="<ul><li><a href='panel,pm.html'>Indbakke</a></li><li><a href='panel,new_pm.html'>Send ny meddelelse</a></li><li><a href=\"panel,pm_sent.html\">Sendt post</a></li></ul>";
   }
   if(id==5)
   {
      document.getElementById("menu2").innerHTML="<ul><li><a href=\"your_forums.html\">Dine debatter</a></li></ul>";
   }

   var width;
   for(var i=1; i<=5; i++)
   {
      if(i==1)
      {
         width = "150";
      }
      else
      {
         width = "100";
      }
      if(i==id)
      {
         var el = document.getElementById(i);
	 el.className = "on" +width;
      }
      else
      {
         var el = document.getElementById(i);
	 el.className = "normal"+width;
      }
   }
}