yet another propHooks take

gistfile1.js

	var originalEvent = event,
		propHook = jQuery.event.propHooks[ event.type ],
		copy = props;

	event = jQuery.Event( originalEvent );

	// propHook can return an array of props to copy
	if ( propHook ) {
		copy.concat( propHook( event, originalEvent) || [] );
	}
		
	for ( var i = copy.length, prop; i; ) {
		prop = this.props[ --i ];
		event[ prop ] = originalEvent[ prop ];
	}