var activeMenu =null;
      var activeSubMenu =null;
      var activeSubMenuItem =null;
      var activeLeftMenu=null;
      
       var locations = new Array(6);

	      locations[0]  =new Array("content/home.html","content/historie.html","content/kontakty.html");
    		locations[1]  =new Array("content/dopr_mosty.html","content/dopr_zdi.html","content/dopr_dlazby.html");
    		locations[2]  =new Array("content/home.html","content/home.html","content/home.html","content/home.html");
    		locations[3]  =new Array("content/plasty.html","content/plasty_produkty.html","content/plasty_cenik.html");
    		locations[4]  =new Array("content/ref-dopr.html","content/home.html","content/home.html");
    		locations[5]  =new Array("content/certifikat.html");


      function showMenuItemFromContent(menu,item){

         showItem(menu,item,"../");
        
      }
      function showItem(menu,item,baseUrl)
      {

        if(activeMenu!=null)
          activeMenu.className = "menuItem";
        if(activeSubMenu!=null)
          activeSubMenu.className  = "submenuHidden";
        if(activeSubMenuItem!=null)
          activeSubMenuItem.className  ="submenuItem";
        if(activeLeftMenu!=null)
          activeLeftMenu.className="leftmenu";
 
        activeMenu =  getMenuTag(menu);
        activeSubMenu = getSubMenuTag(menu);
        activeSubMenuItem = getSubMenuItemTag(menu,item);
        activeLeftMenu = getLeftMenuTag(menu);
        
        activeMenu.className  = "menuItemActive";
        activeSubMenu.className  = null;
        activeSubMenuItem.className  ="submenuItemActive";
        if(activeLeftMenu!=null)
          activeLeftMenu.className="leftmenuActive";

        content.location =  baseUrl+locations[menu-1][item-1];
     
      }
       function showMenuItem(menu,item)
       {
       showItem(menu,item,"./");
       
       }
      function getMenuTag(menu)
      {
         return  document.getElementById("menuId" +menu);
      }
      
      function getSubMenuTag(menu)
      {
      
        return document.getElementById("submenuId" +menu);
      }
      function getSubMenuItemTag(menu,item)
      {
      
        return document.getElementById("submenuItemId" +menu +""+item);
      }
     
      function getLeftMenuTag(menu)
      {
      
        return document.getElementById("leftmenuId" +menu);
      }



function openWindow(aHref,title)
    {

      var settings = 'width= 850px, height= 800px, location=no, directories=no, menubar=no, toolbar=no, status=no, resizable=yes, dependent=no, copyhistory=no, scrollbars=no';
    	newWindow = window.open(aHref, "title", settings);
    }