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

function jsddm_open()
{  jsddm_canceltimer();
   jsddm_close();
   ddmenuitem = $(this).find('ul').css('visibility', 'visible');}

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

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

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

document.onclick = jsddm_close;



$(document).ready(function(){
	
	$('.menuLink').live('mouseover',function() {

		$(this).attr('oldSrc',$(this).attr('src'));
		var src = $(this).attr('src').split(".");
		var newSrc = src[0]+'_over.'+src[1];	
		$(this).attr('src',newSrc);
		
	});
	
	$('.menuLink').live('mouseout',function() {
		$(this).attr('src',$(this).attr('oldSrc'));
	});
	
	$('#siteMainMenu > li').bind('mouseover', jsddm_open);
	$('#siteMainMenu > li').bind('mouseout',  jsddm_timer);
	

});