/* auteur: J. Dupraz */
/* Date de création: 25/04/2005 */
var maxi=9 /*profondeur menu 1*/
var maxj=9 /*profondeur ss menu 1*/
var maxk=9 /*profondeur ss menu 2*/
var delai = 2000 /*délai avant repli en millisecs*/
var timer,ie

this.ua = navigator.userAgent;
this.name = navigator.appName;
ie = (this.ua.indexOf('MSIE') > 0);

function replie_tout(){
	var i,j,k,eff,obj
	for (i=0;i<=maxi;i++){
		for (j=0;j<=maxj;j++){
			for (k=0;k<=maxk;k++){
				eff='u'+i+'_'+j+'_'+k
				obj = document.getElementById(eff);
  				if (obj != null) obj.style.visibility = 'hidden';
			}
			eff='u'+i+'_'+j
			obj = document.getElementById(eff);
  			if (obj != null) obj.style.visibility = 'hidden';
		}
	}		
	clearTimeout(timer)
}

function on(x){	 
	//alert(x);
	replie_tout()
	var montre,l,x1,x2,obj
	l=Math.round((x.length-1)/2) 
	//alert(l);
	if (l>1){
		x1=x.substr(1,1)
		x2=x.substr(1,3)
		montre='u'+x1+'_1'
		obj = document.getElementById(montre);
  		if (obj != null) obj.style.visibility = 'visible';
		montre='u'+x2+'_1'
		obj = document.getElementById(montre);
  		if (obj != null) obj.style.visibility = 'visible';
	}
	if (l<1){
		x=x.substr(1,1)
		montre='u'+x+'_1'
		obj = document.getElementById(montre);
  		if (obj != null) obj.style.visibility = 'visible';
		}
	if(l==1){
		x1=x.substr(1,1)
		montre='u'+x1+'_1'
		obj = document.getElementById(montre);
  		if (obj != null) obj.style.visibility = 'visible';
		montre='u'+x+'_1'
		obj = document.getElementById(montre);
  		if (obj != null) obj.style.visibility = 'visible';
	}
	timer=setTimeout("replie_tout()",delai)
}
function mecrire(){
	var envoi="mailto:"
	var name="zeteacher";
	var arobase="@";
	var domaine="free.fr"  
	document.write(" href="+envoi+name+arobase+domaine+"?subject=Questions / Remarques pour Zeteacher");
}