(function($){

	FLBuilder.registerModuleHelper('map', {

		rules: {
			address: {
				required: true
			},
			height: {
				required: true,
				number: true
			}
		},

		init: function()
		{
			var form   = $( '.fl-builder-settings' ),
				height = form.find( 'input[name=height]' );

			height.on( 'keyup', this._previewHeight );
		},

		_previewHeight: function()
		{
			var form   = $( '.fl-builder-settings' ),
				height = form.find( 'input[name=height]' ).val(),
				iframe = $( FLBuilder.preview.classes.node + ' iframe' );

			if ( ! isNaN( height )) {
				iframe.attr( 'height', height + 'px' );
			}
		}
	});

})(jQuery);