function showPage(){
	document.getElementById('shadowFrame').style.visibility = "visible";
	document.getElementById('frameLight').style.visibility = "visible";
	document.getElementById('frameDark').style.visibility = "visible";
	document.getElementById('copyrights').style.visibility = "visible";
}

function showSubPage(){
	document.getElementById('shadowFrame').style.visibility = "visible";
	document.getElementById('frameLight').style.visibility = "visible";
	document.getElementById('frameDark').style.visibility = "visible";
	document.getElementById('pageContents').style.visibility = "visible";
	document.getElementById('home').style.visibility = "visible";
	document.getElementById('chapterDiv').style.visibility = "visible";
	document.getElementById('copyrights').style.visibility = "visible";
}

function showPortfolio(){
	document.getElementById('shadowFrame').style.visibility = "visible";
	document.getElementById('frameLight').style.visibility = "visible";
	document.getElementById('frameDark').style.visibility = "visible";
	document.getElementById('pagePortfolio').style.visibility = "visible";
	document.getElementById('home').style.visibility = "visible";
	document.getElementById('chapterDiv').style.visibility = "visible";
	document.getElementById('copyrights').style.visibility = "visible";
}

function showGallery(){
	document.getElementById('shadowFrame').style.visibility = "visible";
	document.getElementById('frameLight').style.visibility = "visible";
	document.getElementById('frameDark').style.visibility = "visible";
	document.getElementById('pagePortfolio').style.visibility = "visible";
	document.getElementById('home').style.visibility = "visible";
	document.getElementById('powrot').style.visibility = "visible";
	document.getElementById('chapterDiv').style.visibility = "visible";
	document.getElementById('copyrights').style.visibility = "visible";
}

function showButton(vis, ob){		
	document.getElementById(ob).style.visibility = vis=="on" ? "visible" : "hidden";
}