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).ready(function()
	{
		$('#jsddm > li').bind('mouseover', jsddm_open)
		$('#jsddm > li').bind('mouseout',  jsddm_timer)
	    $("#jsddm > li > ul > li > a").pngfix({
				sizingMethod: "scale"
		});
		$("html > body > a").pngfix({
				sizingMethod: "scale"
		});
	});

	document.onclick = jsddm_close;