$(document).ready(function() {

  $("#navi .off, #navi-uk .off").mouseover(  
      function () {
        $getId = $(this).get(0).id;
        $("#subnavi DIV.off").hide(); 
        $("#sub-" + $getId).show();
      }          
  );
  
  $("#subnavi DIV.off").hover(  
      function () {
       $(this).show(); 
      },    
      function () {
       $(this).hide(); 
      }                
  );

  
  $("#logo, #keyvisual, #main, #whitestuff").mouseover(  
      function () {
        $("#subnavi DIV.off").hide(); 
      }
  );

});

// rollover		
function imgOn(imgName) {
      document.getElementById(imgName).src = "/de/images/" + imgName+ "_on.gif";
}

function imgOff(imgName) {
      document.getElementById(imgName).src = "/de/images/" + imgName+ "_off.gif";
}