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<html>
<head>
<title></title>
<script type="text/javascript">
<!--
// image file names go in these arrays
randImgObj.set1 = new Array( ["i1.gif", "i2.gif", "i3.gif", "i4.gif", "i5.gif"],
["Texte 1", "Texte 2", "Texte 3", "Texte 4", "Texte 5"],
["url_1", "url_2", "url_3", "url_4", "url_5"]
);
// If all the images you wish to display are in the same location, you can specify the path here
randImgObj.imagesPath = "tests/images/";
// No need to edit code below this line
/////////////////////////////////////////////////////////////////////
Array.prototype.shuffle = function()
{
var i, temp, i1, i2;
for (i=0; i<this.length; i++)
{
i1 = Math.floor( Math.random() * this.length );
i2 = Math.floor( Math.random() * this.length );
temp = this[i1];
this[i1] = this[i2];
this[i2] = temp;
}
}
randImgObjs = []; // holds all random rotating image objects defined
// constructor
function randImgObj(s)
{
this.speed=s;
this.ctr=0;
this.timer=0;
this.index = randImgObjs.length;
randImgObjs[this.index] = this;
this.animString = "randImgObjs[" + this.index + "]";
}
randImgObj.prototype =
{
addImages: function(ar)
{ // preloads images
this.imgObj.imgs = [];
this.txtObj.txts = []; //tableau des textes
this.txtObj.liens = []; //tableau des liens
for (var i=0; ar[0][i]; i++)
{
this.imgObj.imgs[i] = new Image();
this.imgObj.imgs[i].src = randImgObj.imagesPath + ar[0][i]; //0 : index des images
// remplissage des tableaux txts et liens
this.txtObj.txts[i] = ar[1][i]; // 1: index des textes
this.txtObj.liens[i] = ar[2][i]; // 2: index des liens
}
},
rotate: function()
{ // controls rotation
var ctr = Math.floor( Math.random() * this.imgObj.imgs.length );
if (ctr == this.ctr)
ctr = (ctr > 0)? --ctr: ++ctr;
this.ctr = ctr;
if ( typeof this.imgObj.filters != "undefined" )
{
this.imgObj.style.filter = 'blendTrans(duration=1)';
if (this.imgObj.filters.blendTrans)
this.imgObj.filters.blendTrans.Apply();
}
// nouvelle image
this.imgObj.src = this.imgObj.imgs[this.ctr].src;
// modification du texte
this.txtObj.innerHTML = this.txtObj.txts[this.ctr];
// modification du lien
this.txtObj.href = this.txtObj.liens[this.ctr];
if ( typeof this.imgObj.filters != "undefined" && this.imgObj.filters.blendTrans )
this.imgObj.filters.blendTrans.Play();
}
}
// sets up rotation for all defined randImgObjs
randImgObj.start = function()
{
for (var i=0; i<randImgObjs.length; i++)
randImgObjs[i].timer = setInterval(randImgObjs[i].animString + ".rotate()", randImgObjs[i].speed);
}
randImgObj.setUpImg = function(imgAr, sp, w, h)
{
var rotator, img, imgStr = "";
var n, txt, lien; //creation des variables n, txt et lien
rotator = new randImgObj(sp);
randImgObjs[randImgObjs.length-1].imgAr = imgAr;
//imgAr.shuffle(); // mise en commentaire de la fonction de mélange
n = Math.floor( Math.random() * imgAr[0].length ); // tirage d'une valeur aléatoire
img = imgAr[ 0 ][ n ]; // on prend l image n
txt = imgAr[ 1 ][ n ]; // on prend le texte n de l image n
lien = imgAr[ 2 ][ n ]; // on prend l'url n
// pas de modification de ce code
imgStr += '<img src="' + randImgObj.imagesPath + img + '" alt="" ';
imgStr += 'name="img' + (randImgObjs.length-1) + '" width="' + w + '" height="' + h + '">';
// creation de la zone de texte
imgStr += '<div style="font-size: 20pt; text-align: center">';
imgStr += '<a id="txtImg' + (randImgObjs.length-1) + '" + href="' + lien + '">' + txt + '</a>';
imgStr += '</div>';
document.write(imgStr);
}
function initRandRotation()
{
for (var i=0; randImgObjs[i]; i++)
{
var rotator = randImgObjs[i];
rotator.imgObj = document.images["img" + i]; // get reference to the image object
// on recupere la zone de texte et de liens des images
rotator.txtObj = document.getElementById("txtImg" + i);
rotator.addImages(rotator.imgAr);
rotator.rotate();
}
randImgObj.start();
}
//-->
</script>
</head>
<body onload="initRandRotation()">
<div style="background-color: #DDD; width: 500px; border: 4px ridge #DDD">
<script type="text/javascript">
// images array_img, delay, width and height of images
randImgObj.setUpImg(randImgObj.set1, 4600, 474, 174);
</script>
</div>
</body>
</html> |
