// JavaScript Document
function getVar(variable,defaut){
	var filename = "";
    var requete = window.location.search;
	var value= defaut;
	var index= -1;
	var var_pos = -1;
	
    if (requete) {
		requete=requete.substring(1);
		requete = unescape(requete)+"&";
		var_pos = requete.indexOf(variable, 0);
		if(var_pos == -1){
			return null;
		}
		index	= requete.indexOf(variable, 0) + variable.length + 1;
		value 	= requete.substring(index,requete.indexOf("&",index));
	}else{
		value = null;
	}
	return(value);
}

 //***********************************************
 // GESTION DES COOKIES
 //***********************************************
function setCookie (name, value){

	//nouvel objet date
	var aujourdhui = new Date() ;
	 
	//nouvel objet date
	var expdate = new Date() ;
	 
	//plus an an à partir d'aujourdh'ui le cookie ne s'efface jamais
	expdate.setTime( aujourdhui.getTime() + ( 365*24*60*60*1000 ) )
	 
	//creation du cookie
	document.cookie = name + "=" + value + ";expires=" + expdate.toGMTString() ;

	return true;
}

function getCookieVal(offset){
	var endstr=document.cookie.indexOf (";", offset);
	if (endstr==-1) endstr=document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

function getCookie(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 show(id){
	document.getElementById('smenu'+id).style.display='block';
}

function hide(id){
	document.getElementById('smenu'+id).style.display='none';
}