gistfile1.js

var map = $( "#map-canvas" ),
    page= $( this );

$( 'input' ).on( "click", function( event ){
	var selected = event.target.id,
	    mapPage = event.target.id === "map-page";

	page.toggleClass( "map-page", mapPage );
	map.[ mapPage ? "show" : "hide" ]();
	map.gmap();
	$( "#list-canvas" ).[ !mapPage ? "show" : "hide" ]();
	
});