login_off = new Image ( );
login_off.src = "/img/invisible.gif";
login_on = new Image ( );
login_on.src = "/img/onglet-loginon-red.gif";

insc_off = new Image ( );
insc_off.src = "/img/invisible.gif";
insc_on = new Image ( );
insc_on.src = "/img/onglet-inscriptionon-red.gif";

accueil_off = new Image ( );
accueil_off.src = "/img/invisible.gif";
accueil_on = new Image ( );
accueil_on.src = "/img/onglet-accueilon-red.gif";

ecole_off = new Image ( );
ecole_off.src = "/img/invisible.gif";
ecole_on = new Image ( );
ecole_on.src = "/img/onglet-ecoleon-red.gif";

profs_off = new Image ( );
profs_off.src = "/img/invisible.gif";
profs_on = new Image ( );
profs_on.src = "/img/onglet-profson-red.gif";

instruments_off = new Image ( );
instruments_off.src = "/img/invisible.gif";
instruments_on = new Image ( );
instruments_on.src = "/img/onglet-instrumentson-red.gif";

studio_off = new Image ( );
studio_off.src = "/img/invisible.gif";
studio_on = new Image ( );
studio_on.src = "/img/onglet-studioon-red.gif";

infos_off = new Image ( );
infos_off.src = "/img/invisible.gif";
infos_on = new Image ( );
infos_on.src = "/img/onglet-infoson-red.gif";

aide_off = new Image ( );
aide_off.src = "/img/invisible.gif";
aide_on = new Image ( );
aide_on.src = "/img/onglet-aideon-red.gif";


function button_on ( imgName )
{
    butOn = eval ( imgName + "_on.src" );
    document [imgName].src = butOn;
}

function button_off ( imgName )
  {
    butOff = eval ( imgName + "_off.src" );
    document [imgName].src = butOff;
}
function popup(URL, width, height,scrollbars) {
	if(!scrollbars){
		window.open(URL,'pop596','scrollbars=yes,status=no,width='+width+',height='+height);
	}else{
		window.open(URL,'pop2987','scrollbars=no,status=no,width='+width+',height='+height);
	}
}
function masquer(vue,test,pleft){
if (parseInt(navigator.appVersion)>3) {
 if (navigator.appName=="Netscape") {
  winW = window.innerWidth/2-16;
  winH = window.innerHeight/2-16;
 }
 if (navigator.appName.indexOf("Microsoft")!=-1) {
  winW = document.body.offsetWidth/2-20;
  winH = document.body.offsetHeight/2-20;
 }
}
		var curtableau=document.getElementById(vue);
		var x=winW-475+pleft;

		if (test){
				curtableau.style.display = 'block';
				curtableau.style.left=x+'px';
				curtableau.style.visibility = 'visible';
		}else{
				curtableau.style.display = 'none';
				curtableau.style.visibility = 'hidden';
		}
}