function select_toggle (status) {
  if (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(0,1) < "7") {
    if (status=="show") {                           
      $("SELECT").each(function( ){
      $(this).css("visibility","visible");    
      });
    } else {                           
      $("SELECT").each(function( ){
        $(this).css("visibility","hidden");    
      });
    } 
  }               
}


sfHover = function() {
        var sfEls = document.getElementById("navi").getElementsByTagName("LI");
        for (var i=0; i<sfEls.length; i++) {
                sfEls[i].onmouseover=function() {
                        this.className+=" sfhover";
                }
                sfEls[i].onmouseout=function() {
                        this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
                }
        }
}

function lazyMenu() {
  if(document.getElementById('ul')){
        var lazyMenu = document.getElementById('ul').childNodes;
        for (var i=0, il = lazyMenu.length; i<il; i++) {
                var lazyItem = lazyMenu[i];
                        if (lazyItem.nodeType == 1) {
                        lazyItem.onmouseover=function() {
                                if (typeof(lazyTimeout) != 'undefined') window.clearTimeout(lazyTimeout);
                                if (this.className.search(/sfhover/) == -1) {
                                        var lazyOld = $('#navi li.sfhover');
                                        for (var j=0, jl = lazyOld.length; j<jl; j++) {
                                                lazyOld[j].className=lazyOld[j].className.replace(new RegExp("\\bsfhover\\b"), "");
                                        }
                                        this.className+=" sfhover";
                                         select_toggle ("hide");
                                }
                        }
                        lazyItem.onmouseout=function() {
                                //nach timeout schließen
                                var lazyHover = this;
                                lazyTimeout = window.setTimeout(function() {
                                        lazyHover.className=lazyHover.className.replace(new RegExp("\\bsfhover\\b"), "");
                                }, 300);


                                 select_toggle ("show");

                        }
                }
        }
  }
}

$(document).ready(function(){
  lazyMenu();
});