var timeout    = 500;
var closetimer = 0;
var ddmenuitem = 0;

function bb_list_open()
{  
    bb_list_canceltimer();
    bb_list_close();
    ddmenuitem = $(this).find('ul').css('visibility', 'visible');
}

function bb_list_close()
{  
	if(ddmenuitem) 
		ddmenuitem.css('visibility', 'hidden');
}

function bb_list_timer()
{  
	closetimer = window.setTimeout(bb_list_close, timeout);
}

function bb_list_canceltimer()
{  
   if(closetimer)
   {  
	   window.clearTimeout(closetimer);
       closetimer = null;
   }
}

$(document).ready(function()
{  
	$('#bb_code_buttons > li').bind('mouseover', bb_list_open)
    $('#bb_code_buttons > li').bind('mouseout',  bb_list_timer)
});

document.onclick = bb_list_close;