function div_toggle(dom_id, pic_id) {
  $(dom_id).toggle();
  change_pic(pic_id);
}
function change_pic(pic_id) {
  var path_prefix = "/fileadmin/templates/pics/";
  var pic = $(pic_id);
  var src = pic.src;
  var last_slash = src.lastIndexOf("/");
  var act = src.substr(last_slash + 1);
  if(act == "minus.gif") {
    pic.src = path_prefix + "plus.gif";
  } else {
    pic.src = path_prefix + "minus.gif";
  }
}
function checkSubMenu() {
  if($$('.submenu_entry').length < 1) {
    div_toggle('submenu_content', 'submenu_icon');
  }
}
function jumpToMarker(uid) {
   var entries = $$('.vcard');
   entries.each(function(s, index) {
     if(s.id == "vcard_" + uid) {
       WecMap.jumpTo(map_id, 0, index);
     }
   });
}
Event.observe(window, "load", function() {
  if($('submenu_content')) {
    checkSubMenu();
  }
});