/* auteur:Christophe Boyé */
/* Date de création: 23/05/2008 */


function preloader() {
if (document.images) {
preloads = new Array(45);
   for (m=0; m<=44; m++) {
   preloads[m] = new Image(); }

}}
netscape = (document.layers) ? 1:0
goodIE = (document.all) ? 1:0


var delay = 50;
var yAmpl = 10;
var yMax = 10;
var step = .10;
var ystep = .10;
var currStep = 0;
var tAmpl=0;
var j = 0;
var Xpos = 100;
var Ypos = 100;


if (netscape) {
window.captureEvents;

// Logo animation
var yBase = window.innerHeight/4;
var xBase = window.innerWidth/4;


}


function startup() {
if (netscape) {
Xpos = 250;
Ypos = 150;
document.a1.visibility='visible';
document.a2.visibility='visible';
document.a3.visibility='visible';

 }
   else if (goodIE) {
document.all.a1.style.visibility='visible';
document.all.a2.style.visibility='visible';
document.all.a3.style.visibility='visible';

var windowWidth=document.body.clientWidth; 
var windowHeight=document.body.clientHeight; 
Xpos = (windowWidth/3);
Ypos = (windowHeight/2);}}

function pictures() {
if (netscape) {
  yBase = window.innerHeight/4 ;
  xBase = window.innerWidth/4;
  for ( j = 0 ; j < 3 ; j++ ) {document.layers[j].top=Ypos+Math.cos((20*Math.sin(currStep/(85+j)))
+j*20)*yBase*(Math.sin(20+currStep/10)+0.2)*Math.cos((currStep+j*35)/10);

document.layers[j].left=Xpos+Math.sin((50*Math.sin(currStep/25))+j*40)*xBase*
(Math.sin(10+currStep/(10+j))+0.2)*Math.cos((currStep+j*55)/10);
  }
currStep += step;
setTimeout("pictures()", 60) ;
}
 else if (goodIE) {
var yBase =document.body.clientWidth/2;
var xBase =document.body.clientHeight/2;
  for ( j = 1 ; j <= 3 ; j++ ) {eval("document.all.a"+j+".style.top=Ypos+Math.cos((0*Math.sin(currStep/(85+j)))+j*70)*yBase*(Math.sin(30+currStep/10)+0.2)*Math.cos((currStep+j*55)/10)");
eval("document.all.a"+j+".style.left=Xpos+Math.sin((20*Math.sin(currStep/25))+j*40)*xBase*(Math.sin(40+currStep/(10+j))+0.2)*Math.cos((currStep+j*55)/10)");
  }
currStep += step;
setTimeout("pictures()", 50) ;
}
}