var pics=new Array("Gstaad_1.jpg","165300_493598995078_612030078_6579708_2897921_n.jpg","IMG_0082.jpg","IMG_0133.jpg","impedimenta_dorig5.jpg","_MG_8955.jpg","P1040258.jpg","_MG_9051.jpg","IMG_0220.jpg","Soeurs_1.jpg","inconnu.jpg","P1040467.jpg","IMG_1535.jpg","IMG_1541.jpg","Soeurs_2.jpg","Gstaad_2.jpg","P1040275.jpg","P1040257.jpg","MANGROVE-01[2].jpg","_MG_8569.jpg","IMG_0107.jpg","pic-1.jpg","Gstaad_3.jpg","MANGROVE-08[2].jpg","IMG_2953.jpg","C'etait-hier.jpg","MANGROVE-03[2].jpg");

var fadeTime=2000;    // fade-out time
var showTime=3500;  // picture display time

preLoadImages(pics);
init();

// ---------------------------------------------------------------------------------------------------------------

var pos=0;
var prevpos=0;

function preLoadImages(picsArray) {
    totimg=0;
    imgloaded=0;
    //$('#pic_loading').show();
    //$('#pics').hide();
    for (i=0;i<picsArray.length;i++) {
        filename=picsArray[i];
        extension=filename.substring(filename.lastIndexOf('.')+1,filename.length);
        totimg++;
        var cacheImage = new Image();
        cacheImage.src = 'img/banner/'+filename;
        $(cacheImage).load(function(){$('#pics').show();imgloaded++;if(imgloaded>=totimg)$('#pic_loading').hide();});
    }
}

function init()
{
    interval=setInterval ( "picNext()", showTime );
    if (pics.length>0)
    {
        //setInterval ( "picRnd()", showTime ); // display random pic
        picShow();
        //if (pics.length>1) $('#navigator').show();
    }
}

function picShow()
{
    if (!pos) pos=0;
    $('#nav_pic').prepend('<img src="img/banner/'+pics[pos]+'" width="618" style="position:absolute" />');
    if ($('#nav_pic img').length>1) {
        $('#nav_pic img:eq(1)').animate({opacity:0.0}, fadeTime, function() {
            $('#nav_pic img:eq(1)').remove();
        });
    }
    return;
}

function picPlay()
{
    picNext();
    interval=setInterval ( "picNext()", showTime );
}

function picNext(stopauto)
{
    //if ($('#pic_loading').is('visible')) return;
    //if (stopauto) clearInterval(interval);
    if (pos<pics.length-1)
    {
        pos++;
        if (pos>0) {
            //$('#picprev').css('visibility','visible');
        } else {
            //$('#picprev').css('visibility','hidden')
        }
        if (pos<pics.length-1) {
            //$('#picnext').css('visibility','visible');
        } else {
            //$('#picnext').css('visibility','hidden');
        }
        //$('#nav_pic').css('cursor','pointer');
    } else {
        pos=0;
        //clearInterval(interval);
    }
    if (pos>=pics.length-1) {
        //$('#nav_pic').css('cursor','auto');
    }
    if (pos!=prevpos) picShow();
    prevpos=pos;
}

function picPrev(stopauto)
{
    //if (stopauto) clearInterval(interval);
    if (pos>0)
    {
        pos--;
        if (pos>0) {
            //$('#picprev').css('visibility','visible');
        } else {
            //$('#picprev').css('visibility','hidden')
        }
        if (pos<pics.length-1) {
            //$('#picnext').css('visibility','visible');
        } else {
            //$('#picnext').css('visibility','hidden');
        }
        //$('#nav_pic').css('cursor','pointer');
    } else {
        //pos=pics.length-1;
    }
    if (pos!=prevpos) picShow();
    prevpos=pos;
}

function picRnd()
{
    pos=Math.floor(Math.random()*pics.length);
    if (pos!=prevpos) picShow();
    prevpos=pos;
}