nereidFadeObjects = new Object();
nereidFadeTimers = new Object();

function Navig(Sujet,Cible)
{    
document.Form1.action=Cible;
document.Form1.Navig.value=Sujet;
document.Form1.submit();
}

function na_preload_img()
{
  var img_list = na_preload_img.arguments;
  if (document.preloadlist == null)
    document.preloadlist = new Array();
  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length; i++) {
    document.preloadlist[top+i] = new Image;
    document.preloadlist[top+i].src = img_list[i+1];
  }
}

function na_change_img_src(name, nsdoc, rpath, preload)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  }
}

function na_restore_img_src(name, nsdoc)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  }
}

function nereidFade(object, destOp, rate, delta,Sens,Evt)
{
Largeur_ON=Math.floor(object.width*1.25);Hauteur_ON=Math.floor(object.height*1.25);
Largeur_OFF=Math.floor(object.width/1.25);Hauteur_OFF=(object.height/1.25);
if (Sens=="ON")
{
object.width=Largeur_ON;object.height=Hauteur_ON;
}
else if (Sens=="OFF")
{
object.width=Largeur_OFF;object.height=Hauteur_OFF;
}
if (!document.all) return
if (object != "[object]"){  //do this so I can take a string too
setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",0);
return;
}

clearTimeout(nereidFadeTimers[object.sourceIndex]);
diff = destOp-object.filters.alpha.opacity;
direction = 1;
if (object.filters.alpha.opacity > destOp) direction = -1;

delta=Math.min(direction*diff,delta);
object.filters.alpha.opacity+=direction*delta;
if (object.filters.alpha.opacity != destOp){
nereidFadeObjects[object.sourceIndex]=object;
nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
}
}