function bandeau(choix){
var i;nbrebouton = 5


// le nom des calques correspond au nom des images en html tag id
var calque = new Array("contact","accueil","presentation","recrutement","client")
var etatcalque = new Array(5);
var bouton = new Array("bcontact","baccueil","bpresentation","brecrutement","bclient");
var listimg = new Array("b_contact","b_accueil","b_presentation","b_recrutement","b_client")
var etatbouton = new Array(5)
//alert("choix" + choix)
if (choix==9999){

MM_swapImage(bouton[rubrique],'',urlimg + listimg[rubrique] + '_f2.gif',1)

for (i=0; i<nbrebouton; i++)
{
if (i != rubrique){	
		MM_swapImage(bouton[i],'',urlimg + listimg[i] + '.gif',1)
		}
		}
MM_showHideLayers('contact','','hide','accueil','','hide','presentation','','hide','recrutement','','hide','client','','hide')

}
else{
for (i=0; i<nbrebouton; i++)
{

	if (choix == i )
	{
	MM_swapImage(bouton[i],'',urlimg + listimg[i] + '_f2.gif',1)
	
	MM_showHideLayers(calque[i],'','show')
	//alert("boum2" + calque[i])
	}
	else
	{
		if (i != rubrique){	
		MM_swapImage(bouton[i],'',urlimg + listimg[i] + '.gif',1)
		}
				
	MM_showHideLayers(calque[i],'','hide')
	}
}
}
}

function MM_findObj(n, d) { //v4.0
  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=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}



function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_findObj(n, d) { //v4.0
  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=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
//alert("vu");
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

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