var timeout = 400;
var closetimer = 0;
var ddmenuitem = 0;
var ddmenu_clicked = false;

function jsddm_open()
{	jsddm_canceltimer();
	jsddm_close();
	ddmenu_clicked = true;
	submenu = $(this).find('ul').eq(0); 
	//console.log($(this).position().top);
	if(submenu.width()){ submenu.css('top',$(this).position().top-submenu.height()); }
	ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');
}

function jsddm_open_mouseover()
{	jsddm_canceltimer();
	//ddmenu_clicked = true;
	submenu = $(this).find('ul').eq(0); 
	if(submenu.width()){ submenu.css('top',$(this).position().top-submenu.height()); }
	//ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');
	$(this).find('ul').eq(0).css('visibility', 'visible');
}

function jsddm_close(){		
	if(ddmenuitem) {
		ddmenu_clicked = false;
		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 = function (){ 
	if (!ddmenu_clicked) jsddm_close();
}