// MENU

function hideLayer(whichLayer) {
	if (document.getElementById) {
		document.getElementById(whichLayer).style.display = "none";
	}
	else if (document.all) {
		document.all[whichlayer].style.display = "none";
	}
	else if (document.layers) {
		document.layers[whichLayer].display = "none";
	}
}

function showLayer(whichLayer) {
	if (document.getElementById) {
		document.getElementById(whichLayer).style.display = "block";
	}
	else if (document.all) {
		document.all[whichlayer].style.display = "block";
	}
	else if (document.layers) {
		document.layers[whichLayer].display = "block";
	}
}

clickHistory = new Array;

function toggleLayer(which) {
//	if (document.getElementById(which).style.display == "block") {
//		document.getElementById(which).style.display = "none";		
//	}
//	else { 
		document.getElementById(which).style.display = "block";
			if (clickHistory[clickHistory.length-1] != which) {
				clickHistory.push(which);
				if (clickHistory.length > 1) {
					document.getElementById(clickHistory[clickHistory.length-2]).style.display = "none";
				}
			}
//	}
}

// EMAIL SPAM PROTECTION

function email( user, domain ) {
	sendmail = "mailto:" + user + "@" + domain;
	window.location = sendmail;
}