Mozile Insert Command - Object -
Creates a node according to a custom function called "this.createNode()", and inserts it at the current selection. You must define createNode yourself to return whatever object will be inserted (a string, nodes, etc.).
Configuration String Requirements: none.
configString - A properly formatted configuration string.
Void execute(<Event> event)
Executes the command.
event - The event object which triggered the command.