diff --git a/theme.js b/theme.js
new file mode 100644
index 0000000..6ac9e21
--- /dev/null
+++ b/theme.js
@@ -0,0 +1,14 @@
+jQuery( document ).ready(function( $ ) {
+  // Run code
+	if($.cookie("high_contrast") === 'true'){
+		$( "body" ).toggleClass( "contraste" );
+	}
+	$( "#siteaction-contraste a" ).click(function() {
+		$( "body" ).toggleClass( "contraste" );
+		if($('body').hasClass('contraste')){
+			$.cookie('high_contrast', 'true', {path: '/'});	
+		} else {
+			$.cookie('high_contrast', null, { path: '/' });
+		}
+	});
+});
--
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