How to add a CSS-styled round close-button into the corner of a modal panel in sencha touch

How could I add a r开发者_运维知识库ound close-button (white circle with black X) into the upper right corner of a modal panel in sencha touch?

thnx!

edit: ...like the FANCYBOX is using.

edit: i found this plugin!

Just add a Toolbar with the Button to the dockedItems of the modal Panel, configure the Toolbar to have the position of dock:top.

Give the Button a specific css class using it's cls attribute.

o.k, have to answer own question: i found this plugin!