function openSubscribe() {
	bkg = document.getElementById("backgroundOverlay");
	subscribe = document.getElementById("subscribeOverlay");

	bkg.style.visibility = 'visible';
	subscribe.style.visibility = 'visible';

	return false;
}

function closeSubscribe() {
	bkg = document.getElementById("backgroundOverlay");
	subscribe = document.getElementById("subscribeOverlay");

	subscribe.style.visibility = 'hidden';
	bkg.style.visibility = 'hidden';

	return false;
}

function openContact() {
	bkg = document.getElementById("backgroundOverlay");
	contact = document.getElementById("contactOverlay");

	bkg.style.visibility = 'visible';
	contact.style.visibility = 'visible';

	return false;
}

function closeContact() {
	bkg = document.getElementById("backgroundOverlay");
	contact = document.getElementById("contactOverlay");

	contact.style.visibility = 'hidden';
	bkg.style.visibility = 'hidden';

	return false;
}

function openSitemap() {
	bkg = document.getElementById("backgroundOverlay");
	sitemap = document.getElementById("siteMapOverlay");

	bkg.style.visibility = 'visible';
	sitemap.style.visibility = 'visible';

	return false;
}

function closeSitemap() {
	bkg = document.getElementById("backgroundOverlay");
	sitemap = document.getElementById("siteMapOverlay");

	sitemap.style.visibility = 'hidden';
	bkg.style.visibility = 'hidden';

	return false;
}

function ShowImage(strImagePath, intImageWidth, intImageHeight)
{
	var ShowImageWin;
	var strName =  "ShowImages"
	var strFeatures;

	strFeatures = "dependent=yes,directories=no,location=no,menubar=no,resizable=yes,personalbar=no,scrollbars=no,titlebar=no,toolbar=no,screenX=50,screenY=50,top=50, left=50, width=" + intImageWidth.toString() + ", height=" + intImageHeight.toString()
	ShowImageWin = window.open(strImagePath, strName, strFeatures);
	ShowImageWin.focus();

	return false;
}