function menu (canal, idMenu, repCommon) {		
	nomMenu = canal+"menu"+idMenu;
	nomImg = "img"+canal+"menu"+idMenu;		
	imageMoins = repCommon+"/MenuServmoins.gif";
	imagePlus = repCommon+"/MenuServplus.gif";	
	if (document.getElementById(nomMenu).style.visibility == 'hidden') {
		document.getElementById(nomMenu).style.visibility='visible';
	  	document.getElementById(nomMenu).style.position='relative';
	  	document.getElementById(nomImg).innerHTML = "<img border=\"0\" src="+imageMoins+" alt=\"\"/>";
	  	EcrireCookie(nomMenu, "1", null, "/");  
	}
	else {
		document.getElementById(nomMenu).style.visibility='hidden';
	  	document.getElementById(nomMenu).style.position='absolute';
	  	document.getElementById(nomImg).innerHTML = "<img border=\"0\" src="+imagePlus+" alt=\"\"/>";
		EcrireCookie(nomMenu, "0", null, "/");
	}
}

function initMenu(canal, idMenu, repCommon, etat) {	
	nomMenu = canal+"menu"+idMenu;
	nomImg = "img"+canal+"menu"+idMenu;
	imageMoins = repCommon+"/MenuServmoins.gif";
	imagePlus = repCommon+"/MenuServplus.gif";	
	if (etat == null) etat = 0;
	var cook = LireCookie(nomMenu);	
	if (cook == null) {
		if (etat == 1) {
			EcrireCookie(nomMenu, "1", null, "/");
	 		document.getElementById(nomMenu).style.visibility='visible';
			document.getElementById(nomMenu).style.position='relative';
			document.getElementById(nomImg).innerHTML = "<img border='0' src="+imageMoins+">";	
	  }
	  else {
		EcrireCookie(nomMenu, "0", null, "/");
	  	document.getElementById(nomImg).innerHTML = "<img border='0' src="+imagePlus+">";			  		
	  }
	}
	else if (cook == "1") {
	  document.getElementById(nomMenu).style.visibility='visible';
	  document.getElementById(nomMenu).style.position='relative';
	  document.getElementById(nomImg).innerHTML = "<img border='0' src="+imageMoins+">";
	}
	else if (cook == "0") {
	  document.getElementById(nomMenu).style.visibility='hidden';
	  document.getElementById(nomMenu).style.position='absolute';
	  document.getElementById(nomImg).innerHTML = "<img border='0' src="+imagePlus+">";
	}
}

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 EffaceCookie(nom) {
	date=new Date;
	date.setFullYear(date.getFullYear()-1);
	EcrireCookie(nom,null,date);
}