function initFade(showOverlay) {
	
	
	for (i=2;i<6;i++) 
	{
		new Effect.Fade(document.getElementById('div'+i));
	}
	
		new Effect.Fade(document.getElementById('mapMonuments'));
		//new Effect.Fade(document.getElementById('instructions'));
		new Effect.Fade(document.getElementById('introHolder'));
		
		if (showOverlay) {
			
		document.getElementById('maskPanel').style.left = "0";
		new Effect.Opacity('maskPanel', {duration:1.0, from:1.0, to:0.3});
		new Effect.SlideDown('maskPanel', {duration:1.0});
		
		document.getElementById('instructions').style.left="680px"
		new Effect.Appear(document.getElementById('instructions'));
		
		} else {
			document.getElementById('maskPanel').style.left = "-1000px";
			document.getElementById('mapKey').style.visibility="visible";
			new Effect.Fade(document.getElementById('maskPanel'));
			new Effect.Appear(document.getElementById('div1'));
						for (i=1;i<6;i++) {
		document.getElementById('div'+i).style.left = "150px";
					}
		}
		

}
	
var lastShown="div1";


	
function fadeControl(showMe) {
	if (lastShown!=showMe) {
		new Effect.Fade(document.getElementById(lastShown));
		new Effect.Appear(document.getElementById(showMe));
		lastShown=showMe;
	}
}



function hideIntro() {
	
	new Effect.Fade(document.getElementById('maskPanel'));
	new Effect.Fade(document.getElementById('introHolder'));
	introMovie.stopMusic();

}


var browserName=navigator.appName; 

function showIntro() {
	
	
	document.getElementById('introHolder').style.left = "310px";
	document.getElementById('maskPanel').style.left = "0";
	
	new Effect.Appear(document.getElementById('introHolder'));
	new Effect.Appear(document.getElementById('maskPanel'));

	
	new Effect.SlideDown('maskPanel', {duration:1.0});
	new Effect.Opacity('maskPanel', {duration:1.0, from:1.0, to:0.3});
	
	
	
	flashMusicDelay();
	
	if (browserName=="Microsoft Internet Explorer") { 
	introMovie.reloadMovie();

	} 
}

function flashMusicDelay() {
	//setTimeout("introMovie.reloadMovie();",800);
	setTimeout("introMovie.playMusic();", 1500);
	
	if (browserName!="Microsoft Internet Explorer") { 
	setTimeout("introMovie.reloadMovie();",1500);
	}
}

function showMonuments() {
	

	document.getElementById('maskPanel').style.left = "0";
	
	new Effect.Appear(document.getElementById('maskPanel'));
	new Effect.Opacity('maskPanel', {duration:1.0, from:0.0, to:0.6});
	new Effect.SlideDown('maskPanel', {duration:1.0} )
	new Effect.Appear(document.getElementById('mapMonuments'));
	document.getElementById('mapMonuments').style.left = "150px";
	
	
	
}

function hideMonuments() {
	
	new Effect.Fade(document.getElementById('maskPanel'));
	new Effect.Fade(document.getElementById('mapMonuments'));
	
}

function hideInstructions() {
	
	new Effect.Fade(document.getElementById('maskPanel'));
	new Effect.Fade(document.getElementById('instructions'));
	document.getElementById('mapKey').style.visibility="visible";
	
	for (i=1;i<6;i++) 
	{
		document.getElementById('div'+i).style.left = "150px";
	}
}