/*
 * Liste des fonctions javascript utilisées par le site
 * Par C.Gatay, dernière modification le 08/08/2006
 */

function EcrireCookie(nom, valeur) {
	var argv=EcrireCookie.arguments;
	var argc=EcrireCookie.arguments.length;
	var expires=(argc > 2) ? argv[2] : null;
	var path=(argc > 3) ? argv[3] : null;
	var domain=(argc > 4) ? argv[4] : null;
	var secure=(argc > 5) ? argv[5] : false;
	document.cookie=nom+"="+escape(valeur)+
	((expires==null) ? "" : ("; expires="+expires.toGMTString()))+
	((path==null) ? "" : ("; path="+path))+
	((domain==null) ? "" : ("; domain="+domain))+
	((secure==true) ? "; secure" : "");
}

function getCookieVal(offset)
{
	var endstr=document.cookie.indexOf (";", offset);
	if (endstr==-1) endstr=document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}
function LireCookie(nom)
{
	var arg=nom+"=";
	var alen=arg.length;
	var clen=document.cookie.length;
	var i=0;
	while (i<clen)
	{
		var j=i+alen;
		if (document.cookie.substring(i, j)==arg) return getCookieVal(j);
		i=document.cookie.indexOf(" ",i)+1;
		if (i==0) break;
		
	}
	return null;
}
		
function montre(id) {
	var d = document.getElementById(id);
	var date=new Date;
	
	date.setFullYear(date.getFullYear()+1);
	if (d) { 
		if (d.style.display == 'none'){
			d.style.display='block';
			EcrireCookie("menu_display", id, date, "/");
		}
		else {
			d.style.display='none';
			EcrireCookie("menu_display", "", date, "/");
		}
		
	}
	
	for (var i = 1; i<=10; i++) {
		if (document.getElementById('smenu'+i) 
			&& document.getElementById('smenu'+i) != d) { 
			document.getElementById('smenu1').style.display='none';
		}
	}
}

function ToggleVisible(whichLayer, rawname){
  var style2, i;
  if (document.getElementById)
  {
  // Standard
  for (i=1; document.getElementById(rawname+i); i++){
      style2 = document.getElementById(rawname+i).style;
      if (whichLayer == (rawname+i) && style2.display == "none")
        style2.display = "block";
      else style2.display = "none";
    }
  }
  else if (document.all)
  {
  // IE
  for (i=1; document.all[rawname+i]; i++){
      style2 = document.all[rawname+i].style;
      if (whichLayer == (rawname+i) && style2.display == "none")
        style2.display = "block";
      else style2.display = "none";
    }
  }
  else if (document.layers)
  {
  // NS4
  for (i=1;document.layers[rawname+i]; i++){
      style2 = document.layers[rawname+i].style;
      if (whichLayer == (rawname+i) && style2.display == "none")
        style2.display = "block";
      else style2.display = "none";
    }
  }
}

function emailCheck (emailStr) {

	var myEMailIsValid = true;
	var myAtSymbolAt = emailStr.indexOf('@');
	var myLastDotAt = emailStr.lastIndexOf('.');
	var mySpaceAt = emailStr.indexOf(' ');
	var myLength = emailStr.length;
	
	if (myAtSymbolAt < 1 ) {
		myEMailIsValid = false;
	}
	
	if (myLastDotAt < myAtSymbolAt) {
		myEMailIsValid = false;
	}
	 
	if (myLength - myLastDotAt <= 2) {
		myEMailIsValid = false;
	}
	
	if (mySpaceAt != -1) {
		myEMailIsValid = false
	}
		
	if (myEMailIsValid == true) {
		return true;
	}
	else {
		alert("Votre email n'est pas valide.");
		return false;
	}

}

/* Fonction executée au chargement */
if(LireCookie("menu_display") != "") {
	var id = LireCookie("menu_display");
	if (id) window.onload=montre(id);	
	else window.onload=montre(null);
}
else window.onload=montre;