ToolTip is a small non-modal pop-up that could be used to display additional information, that is usually hidden.
Major toolTip features:
Here you can see default client-side tool-tip
This tool-tip will follow mouse. Also this tool-tip has a delay 0.5 sec,
so be patient!
This tool-tip rendered on server in separate request.
This tool-tip will be activated on mouse click. It also has a bottom-left position.