自分用メモ
http://trirand.com/jqgrid/jqgrid.html
http://www.jgari.com/?p=22
http://www.hanpau.com/index.php?page=jqtreetable
http://ludo.cubicphuse.nl/jquery-plugins/treeTable/doc/index.html#example-1
http://developer.yahoo.com/yui/examples/button/btn_example10.html
http://developer.yahoo.com/yui/examples/button/btn_example09.html
→日付の入力に使えそう。