function refresh_arrows(menu_id,numberOfMenus,submenu)
{
	for (i=1;i<=numberOfMenus;i++){

		if(i == menu_id){
			if(submenu==1){document.getElementById("md_"+i).style.backgroundColor = "#4286d8";}
			//document.getElementById("md_"+i).style.textDecoration = "none";
			//document.getElementById("md_"+i).style.color = "white";
			document.getElementById("ma_"+i).src = "/img/menu/down_arrow.gif";
		}else{
			{document.getElementById("ma_"+i).src = "/img/menu/left_arrow.gif";}
			//document.getElementById("md_"+i).style.textDecoration = "underline";
			//document.getElementById("md_"+i).style.color = "white";
			document.getElementById("md_"+i).style.backgroundColor = "#eb4200";
		}

		if(submenu==0){
            document.getElementById('submenu').innerHTML = '';
        }
	}
}

var selected_menu = 0;

function select_menu (id) {
   //ii = document.getElementById('menuitem_'+id);
   //submenu = document.getElementById('submenu_content');
   ii = $('menuitem_'+id);
   td = $('td_menu_'+id);
   submenu = $('submenu_content');
   if (ii && td) {
      if (ii.className == 'submenu_sel') {
         ii.className = 'menu_unsel';
         td.className = "css211";
         if (submenu) {
            submenu.hide();
         }
      } else {
         if (selected_menu > 0){
            //old = document.getElementById('menuitem_'+selected_menu);
            old = $('menuitem_'+selected_menu);
            if (old) {
               old.className = 'menu_unsel';
            }
            old = $('td_menu_'+selected_menu);
            if (old) {
               old.className = 'css211';
            }
         }
         ii.className = 'submenu_sel';
         td.className = "css211_sel";
         if (submenu) {
            new Ajax.Request("/content/show_submenu/"+id, 
               {
                  method: 'get', 
                  onSuccess: function(transport) {
                     var response = transport.responseText || "no response text";
                     submenu.update(response);
                  }
               }
            );
            submenu.show();
         }
         selected_menu = id;
      }
   }
}

/**
 *
 * @access public
 * @return void
 **/
function clearMenu(){
	//for (i=1;i<=50;i++){
	//		document.getElementById("ma_"+i).src = "/img/menu/left_arrow.gif";
	//		document.getElementById("md_"+i).style.backgroundColor = "#eb4200";
	//		document.getElementById('submenu').innerHTML = '';
	//		//alert(123);
	//}
}