function Lib(ws) {
	return {
		clearElement: clearElement,
		insert: insert,
		send: send
	};

  function clearElement(elem) {
    while(elem.firstChild) {
      elem.removeChild(elem.firstChild);
    }
  }

	function insert(obj, t, min, max) {
		min = min || 0;
		max = max || t.length;
		if(max - min < 1) {
			return min;
		}
		var avg = Math.floor((max + min) / 2);
		return (obj < t[avg]) ? insert(obj, t, min, avg) : insert(obj, t, avg+1, max);
	}

  function send(o) {
    ws.send(JSON.stringify(o));
  }
}