function PopupImage(img) {
	titre="Zoom sur ...";
	w=open("",'image','width=400,height=400,toolbar=no,scrollbars=no,resizable=yes,status=no');	
	w.document.write("<HTML><HEAD><TITLE>"+titre+"</TITLE>");
	w.document.write("<SC"+"RIPT language=java"+"script> function checksize()  { if (document.images['img'].complete) {  window.resizeTo(document.images[0].width+12,document.images[0].height+35); window.focus();} else { setTimeout('checksize()',250) } }</"+"SCRIPT></HEAD>");
	w.document.write("<BODY onload='checksize()' leftMargin=0 topMargin=0 marginwidth=0 marginheight=0><IMG src='"+img+"' border=0 name='img'>");
	w.document.write("");
	w.document.write("</BODY></HTML>");
	w.document.close();
}
function switchmenus(lequel){
	var nbssmenus = 6;
	var nomssmenus = 'ssmenu';
	var afficher = document.getElementById(nomssmenus+lequel);	
	for (i=0; i<nbssmenus; i++){	
		document.getElementById(nomssmenus+i).style.visibility = 'hidden';
		document.getElementById(nomssmenus+i).style.zindex = 1;
	}
	afficher.style.visibility = 'visible';
	afficher.style.zindex = 10;
}
function switch_chk(ident){
	arg = document.getElementById(ident);
	//alert(arg.src.substr((arg.src.length-5),1));
	// récupération du 0 ou du 1 et changement de cet élément par son inverse
	if (arg.src.substr((arg.src.length-5),1) == 0){
		inverse = "1";
	}else{
		inverse = "0";	
	}
	arg.src = arg.src.substr(0,(arg.src.length-5))+inverse+arg.src.substr((arg.src.length-4),4);
	chhidden = "hid"+ident;	
	document.getElementById(chhidden).value = inverse;
}

function getObj(name)
{
  if (document.getElementById)
  {
  	this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;
  }
  else if (document.all)
  {
	this.obj = document.all[name];
	this.style = document.all[name].style;
  }
  else if (document.layers)
  {
   	this.obj = document.layers[name];
   	this.style = document.layers[name];
  }
}

function switch_ul(garder){

	var x = new getObj(garder);
   	var presentation = new getObj('presentation');
    var projets = new getObj('projets');
	var actions = new getObj('actions');
	var partenaires = new getObj('partenaires');
	  
	presentation.style.visibility = 'hidden';
	projets.style.visibility = 'hidden';
	actions.style.visibility = 'hidden';
	partenaires.style.visibility = 'hidden';		
	
	x.style.visibility = 'visible';
	x.style.display = 'block';

}

function switch_div(garder){

	var x = new getObj(garder);
   	var presentation = new getObj('presentation_ie');
    var projets = new getObj('projets_ie');
	var actions = new getObj('actions_ie');
	var partenaires = new getObj('partenaires_ie');
	  
	presentation.style.zIndex = 0;
	projets.style.zIndex = 0;
	actions.style.zIndex = 0;
	partenaires.style.zIndex = 0;	
	
	x.style.zIndex = 20;	

}