/** ============================================================================================================================================ **/
/** FONCTIONS POUR LES GALLERIES PHOTOS **/
/** ============================================================================================================================================ **/
var selected ;
var fading;
var currentOpacity;
var play;
var galleryContainer;
// var galleryWidth;
// var galleryHeight;
var imagesArray = new Array;
var imagesTotalNumber = new Array;
var activeImage = new Array;
var nextActiveImage = new Array;
var timeBetweenSlides;
function initGallery()
{
getImages();
for(var j = 0; j < 4; j++)
{
for(var i = 0; i < imagesTotalNumber[j]; i++)
{
if( imagesTotalNumber[j] > 1)
{
if(document.all) imagesArray[j][i].style.filter = 'alpha(opacity=100)';
else imagesArray[j][i].style.opacity = '0.99';
imagesArray[j][i].style.visibility = 'hidden';
}
}
imagesArray[j][0].style.visibility = 'visible';
activeImage[j] = -1;
nextActiveImage[j] = 0;
}
timeBetweenSlides = 1500;
currentOpacity = 100;
play = false;
fading = true;
}
function getImages()
{
for(var j = 0; j < 4; j++)
{
galleryContainer = getId('cadre_image_principale'+j);
// galleryWidth = galleryContainer.clientWidth;
// galleryHeight = galleryContainer.clientHeight;
imagesArray[j] = galleryContainer.getElementsByTagName('IMG');
imagesTotalNumber[j] = imagesArray[j].length;
}
}
function startSlide()
{
play = true;
// getId('start').style.display = 'none';
// getId('stop').style.display = 'inline';
setTimeout('nextImages()', timeBetweenSlides);
}
function stopSlide()
{
play = false;
// getId('start').style.display = 'inline';
// getId('stop').style.display = 'none';
}
function nextImages()
{
var prob = 0;
while(selected == prob)
prob = Math.round(0 + Math.random() * (3));
selected = prob;
activeImage[selected] = nextActiveImage[selected];
if(nextActiveImage[selected] + 1 == imagesTotalNumber[selected]) nextActiveImage[selected] = 0;
else nextActiveImage[selected]++;
if(fading)
{
if(imagesTotalNumber[selected] > 1)
{
setTimeout('showImage()', timeBetweenSlides);
}
else
{
if(play) setTimeout('nextImages()', timeBetweenSlides);
}
}
else
{
imagesArray[selected][nextActiveImage[selected]].style.visibility = 'visible';
imagesArray[selected][activeImage[selected]].style.visibility = 'hidden';
if(play) setTimeout('nextImages()', timeBetweenSlides);
}
}
function showImage()
{
if(currentOpacity == 100) imagesArray[selected][nextActiveImage[selected]].style.visibility = 'visible';
currentOpacity = currentOpacity - 3;
if(document.all) // IE
{
imagesArray[selected][activeImage[selected]].style.filter = 'alpha(opacity=' + currentOpacity + ')';
imagesArray[selected][nextActiveImage[selected]].style.filter = 'alpha(opacity=' + (100 - currentOpacity) + ')';
}
else // FF
{
imagesArray[selected][activeImage[selected]].style.opacity = Math.max(0.01, currentOpacity / 100); // Can't use 1 and 0 because of screen flickering in FF
imagesArray[selected][nextActiveImage[selected]].style.opacity = Math.min(0.99, (1 - (currentOpacity / 100)));
}
if(play )
{
if(currentOpacity > 0) setTimeout('showImage()', 40);
else
{
currentOpacity = 100;
if(play) nextImages();
}
}
else
{
currentOpacity = 100;
for(var i = 0; i < imagesTotalNumber[selected]; i++)
{
if(document.all) imagesArray[selected][i].style.filter = 'alpha(opacity=100)';
else imagesArray[selected][i].style.opacity = '0.99';
imagesArray[selected][i].style.visibility = 'hidden';
}
imagesArray[selected][nextActiveImage[selected]].style.visibility = 'visible';
}
}
/** FONCTION DE TEST PERMETTANT D'AFFICHER LES OBJETS JAVASCRIPT **/
function print_r(obj)
{
win_print_r = window.open('about:blank', 'win_print_r');
win_print_r.document.write('');
r_print_r(obj, win_print_r);
win_print_r.document.write('');
}
function r_print_r(theObj, win_print_r) // fonction indispensable à la fonction précédente
{
if(theObj.constructor == Array || theObj.constructor == Object)
{
if (win_print_r == null)
win_print_r = window.open('about:blank', 'win_print_r');
}
for(var p in theObj)
{
if(theObj[p].constructor == Array|| theObj[p].constructor == Object)
{
win_print_r.document.write("["+p+"] =>"+typeof(theObj)+"");
win_print_r.document.write("");
r_print_r(theObj[p], win_print_r);
win_print_r.document.write("
");
}
else win_print_r.document.write("["+p+"] =>"+theObj[p]+"");
}
win_print_r.document.write("");
}