// JavaScript Document

function toggleSection(aElementID, sectionDivID) {
	var a = document.getElementById(aElementID);
	if(a.innerHTML == "-") {
		a.innerHTML = "+";
		a.title = "Click to expand";
		document.getElementById(sectionDivID).style.display = "none";
	} else {
		a.innerHTML = "-";
		a.title = "Click to hide";
		document.getElementById(sectionDivID).style.display = "block";
	}
}



function HideAll() {
	document.getElementById('navPhotoGalleries').style.display = 'none';
	document.getElementById('navArticles').style.display = 'none';
	document.getElementById('navArticleTypes').style.display = 'none';
	document.getElementById('landscapeGalleries').style.display = 'none';	
	document.getElementById('cityscapeGalleries').style.display = 'none';
	document.getElementById('portraitGalleries').style.display = 'none';
	document.getElementById('navSoftwareDescription').style.display = 'none';
	document.getElementById('navSoftware').style.display = 'none';
	return false;
}


function ShowPhotoGalleries() {
	HideAll();
	document.getElementById('navPhotoGalleries').style.display = 'block';
	return false;
}
function ShowArticles() {
	HideAll();
	document.getElementById('navArticles').style.display = 'block';
	document.getElementById('navArticleTypes').style.display = 'block';
	return false;
}
function ShowSoftware() {
	HideAll();
	document.getElementById('navSoftware').style.display = 'block';
	document.getElementById('navSoftwareDescription').style.display = 'block';
	return false;
}
function ShowLandscapes() {
	HideAll();
	document.getElementById('navPhotoGalleries').style.display = 'block';
	document.getElementById('landscapeGalleries').style.display = 'block';	
	document.getElementById('landscapeGalleries').style.display = 'block';	
	return false;
}
function ShowCityscapes() {
	HideAll();
	document.getElementById('navPhotoGalleries').style.display = 'block';
	document.getElementById('cityscapeGalleries').style.display = 'block';
	return false;
}
function ShowPortraits() {
	HideAll();
	document.getElementById('navPhotoGalleries').style.display = 'block';
	document.getElementById('portraitGalleries').style.display = 'block';
	return false;
}