Planned Components for EasyAJAX

To make the EasyAJAX useful, we need build a series magic components. Here is some ideas:

easy.MenuBar ok
easy.Tree
easy.TabbedPanel ok
easy.DatePicker ok
easy.TextInput easy.RadionInput easy.CheckboxInput ok	regexp validating -- like regexp='\\d*' javascript validating -- like validexpr="this.value < 100" required -- like required="true" tips -- like tips="You can input your email address here" promptarea -- like promptarea="here" message will shown on the element more....
easy.CollapsablePanel