var active_submenu = 0;

var active_src = '';
var addname = '';

function mainmenuover(pageid, inout, lang){
  if ( inout == 1){
    addname = '_o';
  }else{
    addname = '';
  }
  if ( pageid == 6){
    document.getElementById("mainmenu1"+pageid).src = '/fileadmin/img/menu/what'+lang+addname+'.gif';
    showsub(1);
  }else if ( pageid == 4){
    document.getElementById("mainmenu1"+pageid).src = '/fileadmin/img/menu/how'+lang+addname+'.gif';
    showsub(2);
  }else if ( pageid == 5){
    document.getElementById("mainmenu1"+pageid).src = '/fileadmin/img/menu/why'+lang+addname+'.gif';
    showsub(3);
  }else if ( pageid == 7){
    document.getElementById("mainmenu1"+pageid).src = '/fileadmin/img/menu/who'+lang+addname+'.gif';
    showsub(4);
  }else if ( pageid == 3){
    document.getElementById("mainmenu1"+pageid).src = '/fileadmin/img/menu/where'+lang+addname+'.gif';
    showsub(5);
  }else if ( pageid == 29){
    document.getElementById("mainmenu1"+pageid).src = '/fileadmin/img/menu/news'+lang+addname+'.gif';
    showsub(6);
  }

}
var subisactive = 1;
var myinterval = '';
function showsub(nr){
  
  for ( i=1; i<=6; i++){
  //alert(document.getElementById("msmenu"+nr).style.visibility);
    if ( i == nr ){

      document.getElementById("msmenu"+nr).style.visibility = "visible";
      if ( myinterval){
        window.clearInterval(myinterval);

      }
      //myinterval = window.setInterval("hidesub()", 2500);

    }else{
      if ( document.getElementById("msmenu"+i) ){
        document.getElementById("msmenu"+i).style.visibility = "hidden";
      }
    }
  }
  //subisactive = nr;
}

function hidesub(nr){
  for ( i=1; i<=6; i++){
    if ( document.getElementById("msmenu"+i) ){
      document.getElementById("msmenu"+i).style.visibility = "hidden";
    }
  }
  if ( active_submenu != 0){
    document.getElementById("msmenu"+active_submenu).style.visibility = "visible";
  }
  window.clearInterval(myinterval);

}