function Get_Cookie( name ) {
                                
                                var start = document.cookie.indexOf( name + "=" );
                                var len = start + name.length + 1;
                                if ( ( !start ) &&
                                ( name != document.cookie.substring( 0, name.length ) ) )
                                {
                                        return null;
                                }
                                if ( start == -1 ) return null;
                                var end = document.cookie.indexOf( ";", len );
                                if ( end == -1 ) end = document.cookie.length;
                                return unescape( document.cookie.substring( len, end ) );
                        }

                        function SetCookie(cookieName,cookieValue,nDays) {
                                var today = new Date();
                                var expire = new Date();
                                if (nDays==null || nDays==0) nDays=1;
                                expire.setTime(today.getTime() + 3600000*24*10);
                                document.cookie = cookieName+"="+escape(cookieValue)
                                + ";expires="+expire.toGMTString();
                        }