/**
 * made by:  eChiron SA
 */

var slidesNr = 16;
var curSlide = 1;
var sliderSpeed = 1000;
var portofolioSliders = new Array( 6000,6000,6000,6000,6000,6000,6000,6000);
var sliderChangeSpeed = 1000;

// Nr of the slides for each and one of the portofolios
var portofolioSlides = new Array(8);
portofolioSlides[0] = 3;
portofolioSlides[1] = 3;
portofolioSlides[2] = 3;
portofolioSlides[3] = 3;
portofolioSlides[4] = 3;
portofolioSlides[5] = 3;
portofolioSlides[6] = 3;
portofolioSlides[7] = 3;


var curPortofolio = new Array(8);
curPortofolio[0] = 1;
curPortofolio[1] = 1;
curPortofolio[2] = 1;
curPortofolio[3] = 1;
curPortofolio[4] = 1;
curPortofolio[5] = 1;
curPortofolio[6] = 1;
curPortofolio[7] = 1;

function initSlideshow(){
	changeSlide();
	for( a = 1; a <= 8; a++ )
		setTimeout( "switchSlides(" + a + ");", 1000*a );
}
function switchSlides( index ){
    getElement( 'portofolioDivId' + index ).style.backgroundImage = 'url(' + getElement( 'portofolio_' + index ).src + ')';
	
	new Effect.Opacity( "portofolio_" + index, { duration: (sliderSpeed/20), 
						  transition: Effect.Transitions.linear, 
						  from: 1.0, to: 0.01 } );
	
	curPortofolio[index-1]++;
	curPortofolio[index-1] = ( curPortofolio[index-1] > portofolioSlides[index-1] ) ? 1 : curPortofolio[index-1];
	
	setTimeout( "getElement( 'portofolio_' + "  + index + " ).src = '/ecomuseu/anima_imagens/eco_photo_" + index + "_" + 
							curPortofolio[index-1] + ".gif';", sliderSpeed - 20 );

	setTimeout( "Effect.Appear( 'portofolio_' + " + index + " );", sliderSpeed-30 );
	
	setTimeout( "switchSlides(" + index + ");", portofolioSliders[index-1] + sliderSpeed );
}
function changeSlide(){
	
	
	curSlide = ( curSlide > slidesNr ) ? 1 : curSlide;
	curSlide++;

	setTimeout( "changeSlide();", sliderChangeSpeed + sliderSpeed );
}