box = function() {
	var _target = document.getElementById('box').getElementsByTagName('div');
	_height = 0;
	for (var _count = 0; _count < _target.length; _count ++) { if (_target[_count].clientHeight > _height) { _height = _target[_count].clientHeight; } }
	_height -= 45;
	for (var _count = 0; _count < _target.length; _count ++) { _target[_count].style.height = _height + "px"; } }