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


function mopen(id) {
	mcancelclosetime();

	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
	if(ddmenuitem) ddmenuitem.style.display = 'none';

	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';
	ddmenuitem.style.display = 'block';
}


function mclose() {
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
	if(ddmenuitem) ddmenuitem.style.display = 'none';
}


function mclosetime() {
	closetimer = window.setTimeout(mclose, timeout);
}


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

document.onclick = mclose;


function navigate(page) {
	document.location.href = page;
}