Updated form component
Updated form component

When a form is shown it will always be above any previously opened form by increasing z-index by 10.
No longer need to use "data-top" attribute.

Added instance.onHide function to allow to run some code whenever a form is closed.
sheetalprabhu29/toolsdemo,totaljs/eshop,totaljs/eshop,sheetalprabhu29/toolsdemo