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() ;
	//document.cookie = 'menucache=0; expires='+ expires.toGMTString() + '; path=/';
}

function GetCookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f

	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );


		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}

function DeleteCookie(name,path,domain)
{
	if(GetCookie(name))
		document.cookie=name+"="+((path)?";path="+path:"")+((domain)?";domain="+domain:"")+";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}