/**********************************************/
// Ouverture de popup
/**********************************************/

var win;
function popup(url, w, h, scroll) {

	if (win && !win.closed) win.close();

	if (scroll)
		scroll = "yes";
	else
		scroll = "no";

	var leftPosition=(screen.width)?(screen.width-w)/2:100;
	var topPosition=(screen.height)?(screen.height-h)/2:100;

	win = window.open( url, "popup", "scrollbars="+scroll+",menubar=no,status=no,width="+w+",height="+h+",top="+topPosition+",left="+leftPosition);
	return win.focus();
}


/**********************************************/
// Changement d'images
/**********************************************/

/*
	onMouseOver="swapImage('nom','','image.gif',1);" onMouseOut="swapImgRestore();"
*/

function swapImgRestore() { //v3.0
  var i,x,a=document.sr;
  for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function findObj(n, d) { //v3.0
  var p,i,x;
  if(!d) d=document;
  if((p=n.indexOf("?"))>0&&parent.frames.length)
  {
    d=parent.frames[n.substring(p+1)].document;
    n=n.substring(0,p);
  }
  if(!(x=d[n])&&d.all) x=d.all[n];
  for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
  return x;
}

function swapImage() { //v3.0
  var i,j=0,x,a=swapImage.arguments;
  document.sr=new Array;
  for(i=0;i<(a.length-2);i+=3)
  //alert("i : "+i+" / a : " + a[i])
   if ((x=findObj(a[i]))!=null)
   {
   	document.sr[j++]=x;
   	if(!x.oSrc) x.oSrc=x.src;
   	x.src=a[i+2];
   }
}