// Copyright 2006-2007 javascript-array.com

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

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 

function hideNavHelper() {
	var e = null;
	if (document.getElementById) { // DOM3 = IE5, NS6
		e = document.getElementById('navHelper').style;
	} else if (document.layers) { // Netscape 4
		e = document.navHelper;
	} else { // IE 4
		e = document.all.navHelper.style;
	}
	
	e.visibility = "hidden";
	e.display = "none";
}

function noSpam() {
	var a = document.getElementsByTagName("a");
	
	for (var i = a.length-1; i >= 0; i--) {
		if (a[i].className.search(/\bemail\b/) != -1) {
			var email = a[i].firstChild.data + "@" + a[i].lastChild.data;
			a[i].innerHTML = email;
			a[i].href = "mailto:" + email;
		} else if (a[i].className.search(/\bemail2\b/) != -1) {
			var email = a[i].firstChild.data + "@" + a[i].lastChild.data;
			a[i].href = "mailto:" + email;
		}
	}
}