$(document).ready(function() {
  $("#leftnav .level1 .item.current>ul").slideToggle(100);
  $("#leftnav .level1>.item.current img:first").attr("src", "arrowdown.png");
  $("#leftnav .level1>.item").css("cursor","pointer");
  $("#leftnav .level1>.item:has(.level2>.item)>div").each(function(){
   $(this).find("a:first").attr("href","#");
   $(this).toggle(function(){toggleNav($(this))},function(){toggleNav($(this))});
  });
  $("#leftnav  .level2>.item:has(.level3>.item)>div").each(function(){
   //$(this).find("a:first").attr("href","#");
   //$(this).toggle(function(){toggleNav($(this))},function(){toggleNav($(this))});
  });
});
function toggleNav(div){
 if (div.find("img:first").attr("src") == "arrowdown.png")
    div.find("img:first").attr("src", "arrowleft.png");
 else
    div.find("img:first").attr("src", "arrowdown.png");
 div.next().slideToggle(100);
}