// Dropdown menus

var timeout    = 750;
var closetimer = 0;
var ddmenuitem = 0;

function jsddm_open()
{  jsddm_canceltimer();
   if (ddmenuitem != 0) {
	var txt = ddmenuitem.text();
   } else {
	txt = 'null';
   }
   if (txt != $(this).find('ul').text()) {
	jsddm_close();
	ddmenuitem = $(this).find('ul').css('visibility', 'visible');
	ddmenuitem.dropShadow({ opacity: 1.0 }); 
   }
}

function jsddm_close()
{  if(ddmenuitem) {
	ddmenuitem.removeShadow();
	ddmenuitem.css('visibility', 'hidden');
	ddmenuitem = 0;
   }
}

function jsddm_timer()
{  closetimer = window.setTimeout(jsddm_close, timeout);}

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

$(document).ready(function()
{  $('#jsddm > li').bind('mouseover', jsddm_open)
   $('#jsddm > li').bind('mouseout',  jsddm_timer)});

document.onclick = jsddm_close;