var mySlides = Array("slide1", "slide2", "slide3", "slide4", "slide5", "slide6");
var mySlideIndex = 0;
var prevSlide;
var opacity = 100;

function updateTheSlide()	{
	
	//document.getElementById(mySlides[mySlideIndex-1]).style.display = 'none';
	if ((mySlideIndex + 1) == mySlides.length)	{
		mySlideIndex = 0;
		prevSlide = mySlides.length - 1;
		
		//document.getElementById(mySlides[]).style.display = 'block';
		new Effect.Opacity(mySlides[mySlideIndex],{ duration: 2.0, transition: Effect.Transitions.linear, from: 0, to: 1, afterFinish: finishUpdate2 });
		
	}
		
	else	{
		mySlideIndex++;
		prevSlide = mySlideIndex - 1;
		
		
		
		new Effect.Opacity(mySlides[prevSlide],{ duration: 2.0, transition: Effect.Transitions.linear, from: 1, to: 0, afterFinish: finishUpdate });
		
	}
		
	
	
}
function finishUpdate()	{
	
		document.getElementById(mySlides[mySlideIndex]).style.display = 'block';
		
		document.getElementById(mySlides[mySlideIndex]).style.opacity = (0 / 100);
    	document.getElementById(mySlides[mySlideIndex]).style.MozOpacity = (0 / 100);
    	document.getElementById(mySlides[mySlideIndex]).style.KhtmlOpacity = (0 / 100);
    	document.getElementById(mySlides[mySlideIndex]).style.filter = "alpha(opacity=" + 0 + ")";
		
		new Effect.Opacity(mySlides[mySlideIndex],{ duration: 2.0, transition: Effect.Transitions.linear, from: 0, to: 1, afterFinish: restartTimeout });
				
	
}
function restartTimeout()	{
	var myTimeout = setTimeout('updateTheSlide()', 4000);	
}
function finishUpdate2()	{
	//document.getElementById(mySlides[7]).style.display = 'none';
	document.getElementById(mySlides[mySlides.length-1]).style.opacity = 0;
    document.getElementById(mySlides[mySlides.length-1]).style.MozOpacity = 0;
    document.getElementById(mySlides[mySlides.length-1]).style.KhtmlOpacity = 0;
    document.getElementById(mySlides[mySlides.length-1]).style.filter = "alpha(opacity=0)";
	var myTimeout = setTimeout('updateTheSlide()', 4000);
}


function hideBoth()	{
	$('sub_menu_information').hide();	
	$('sub_menu_galleries').hide();
}
function hideGalleries()	{
	$('sub_menu_galleries').hide();
}
function hideInformation()	{
	$('sub_menu_information').hide();
}