// JavaScript Document
var menu_hover_old_onload = window.onload ? window.onload : function() {};
var menu_hover_current = null;
var menu_hover_timeout = null;
function menu_hover_change(dest){
  if (menu_hover_timeout){clearTimeout(menu_hover_timeout); menu_hover_timeout = null;}
  if (menu_hover_current == dest) return;
  if (menu_hover_current){menu_hover_current.className = menu_hover_current.className.replace(" hover", "");}
  if (dest){dest.className += " hover";}
  menu_hover_current = dest;
}
function menu_hover_onload(){
  if (!document.getElementById) return;
  var menu = document.getElementById("page_menu");
  var children = menu.childNodes;
  for (var i = 0; i < children.length; i++) {
    var node = children[i];
    if (node.className && node.className.indexOf("menu_tab") != -1){
      var old_onmouseover = node.onmouseover ? node.onmouseover : function() {};
      node.onmouseover = function(){old_onmouseover();menu_hover_change(this);}
	  var old_onmouseout = node.onmouseout ? node.onmouseout : function() {};
      node.onmouseout = function(){old_onmouseout();if (menu_hover_timeout) clearTimeout(menu_hover_timeout);menu_hover_timeout = setTimeout('menu_hover_change(null);', 1000);}
    }
  }
}
window.onload = function(){menu_hover_onload();menu_hover_old_onload();}