var timeout         = 1000;
var closetimer		= 0;
var ddmenuitem      = 0;

function jsddm_open() {
    jsddm_canceltimer();
	jsddm_close();
	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() {
    $('#menu > li').bind('mouseover', jsddm_open);
	$('#menu > li').bind('mouseout',  jsddm_timer);
	
	zIndexWorkaround();
});

document.onclick = jsddm_close;


function zIndexWorkaround()
{
    // If the browser is IE,
    if($.browser.msie && parseFloat($.browser.version) < 8)
    { 

			$("#menu").hover(function() {
                        $("#header").addClass("on-top");
                    },
                    function() {
                        $("#header").removeClass("on-top");
                    });

    }
}