function cookies_getDomain()
	{
		var pathname=location.pathname;
		var myDomain=pathname.substring(0,pathname.lastIndexOf('/')) +'/';
		//var myDomain = (window.location+"").substring(0,(window.location+"").lastIndexOf('/')) +'/';
		
		return myDomain;
	}

	function cookies_setCookie(name, value) 
	{
	// un cookie a besoin d'un nom, d'une valeur, d'un nom de domaine, d'une date d'expiration
	// 
		var argv=cookies_setCookie.arguments;
		var argc=cookies_setCookie.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=name+"="+escape(value)+
			((expires==null) ? "" : ("; expires="+expires.toGMTString()))+
			((path==null) ? "" : ("; path="+path))+
			((domain==null) ? "" : ("; domain="+domain))+
			((secure==true) ? "; secure" : "");
	}


	function cookies_getCookie (name) 
	{
		//alert(name);
		var arg=name+"=";
		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 arguments_cookies(j);
	                i=document.cookie.indexOf(" ",i)+1;
	                        if (i==0) break;}
		return "_aucun_";
	}

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

	function cookies_effacerCookie(name)
	{
		var pathname=location.pathname;
		var myDomain=pathname.substring(0,pathname.lastIndexOf('/')) +'/';
		var date = new Date(1999,0,1);
		document.cookie = name+"=" + ";path="+myDomain+";expires=" + date.toGMTString();
	}