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

function jsddm_open()
{	jsddm_canceltimer();
	jsddm_close();
        
	var test = ddmenuitem = $(this).find('ul').eq(0).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(){	
	$('li#jsddm').bind('mouseover', jsddm_open);
	$('li#jsddm ').bind('mouseout',  jsddm_timer);
});

document.onclick = jsddm_close;