diff --git a/includes/admin/customizer.js b/includes/admin/customizer.js
new file mode 100644
index 0000000..b6fb4ea
--- /dev/null
+++ b/includes/admin/customizer.js
@@ -0,0 +1,137 @@
+/**
+ * JavaScript for the Customizer Preview
+ *
+ * @since  1.0.0
+ */
+
+( function( $ ) {
+
+	// Layout
+	wp.customize( 'genesis-settings[trestle_layout]', function( value ) {
+	    value.bind( function( value ) {
+
+	    	var $body = $( 'body' );
+
+	    	switch ( value ) {
+	    		case 'solid':
+	    			$body.removeClass( 'bubble' );
+	    		break;
+	    		case 'bubble':
+	    			$body.addClass( 'bubble' );
+	    		break;
+	    	}
+
+	    });
+	});
+
+	// Custom logo
+	wp.customize( 'genesis-settings[trestle_logo_url]', function( value ) {
+	    value.bind( function( url ) {
+
+	    	var $body = $( 'body' );
+
+	        if ( 0 === $.trim( url ).length ) {
+	        	$body.removeClass( 'has-logo' );
+	            $( '.site-title a.image-link' ).remove();
+	        } else {
+	        	$body.addClass( 'has-logo' );
+	            $( '.site-title a.image-link' ).remove();
+	            $( '.site-title' ).append( '<a href="/" class="image-link"><img class="logo logo-full show" src="' + url + '" /></a>' );
+	        }
+
+	    });
+	});
+
+	// Primary Nav Location
+	wp.customize( 'genesis-settings[trestle_nav_primary_location]', function( value ) {
+	    value.bind( function( value ) {
+
+	    	var $body = $( 'body' );
+	    	var $nav = $( '.nav-primary' );
+
+	    	switch ( value ) {
+	    		case 'full':
+	    			$body.removeClass( 'nav-primary-location-header' )
+	    				 .addClass( 'nav-primary-location-full' );
+	    			$nav.remove().insertAfter( '.site-header' );
+	    		break;
+	    		case 'header':
+	    			$body.removeClass( 'nav-primary-location-full' )
+	    				 .addClass( 'nav-primary-location-header' );
+	    			$nav.remove().appendTo( '.site-header .wrap' );
+	    		break;
+	    	}
+
+	    });
+	});
+
+	// Custom Read More Link Text
+	wp.customize( 'genesis-settings[trestle_read_more_text]', function( value )  {
+		value.bind( function( value ) {
+
+			$( 'a.more-link' ).text( value );
+
+		});
+	});
+
+	// External Links
+	wp.customize( 'genesis-settings[trestle_external_link_icons]', function( value )  {
+		value.bind( function( value ) {
+
+			var $body = $( 'body' );
+
+			if ( value ) {
+	    		$body.addClass( 'external-link-icons' );
+			} else {
+	    		$body.removeClass( 'external-link-icons' );
+			}
+
+		});
+	});
+
+	// Email Links
+	wp.customize( 'genesis-settings[trestle_email_link_icons]', function( value )  {
+		value.bind( function( value ) {
+
+			var $body = $( 'body' );
+
+			if ( value ) {
+	    		$body.addClass( 'email-link-icons' );
+			} else {
+	    		$body.removeClass( 'email-link-icons' );
+			}
+
+		});
+	});
+
+	// PDF Links
+	wp.customize( 'genesis-settings[trestle_pdf_link_icons]', function( value )  {
+		value.bind( function( value ) {
+
+			var $body = $( 'body' );
+
+			if ( value ) {
+	    		$body.addClass( 'pdf-link-icons' );
+			} else {
+	    		$body.removeClass( 'pdf-link-icons' );
+			}
+
+		});
+	});
+
+	// Doc Links
+	wp.customize( 'genesis-settings[trestle_doc_link_icons]', function( value )  {
+		value.bind( function( value ) {
+
+			var $body = $( 'body' );
+
+			if ( value ) {
+	    		$body.addClass( 'doc-link-icons' );
+			} else {
+	    		$body.removeClass( 'doc-link-icons' );
+			}
+
+		});
+	});
+
+})( jQuery );