From 4d938dbe4bf5bb3ab461d5e3f13a706facfd43dd Mon Sep 17 00:00:00 2001
From: Hannu Leinonen <hleinone@gmail.com>
Date: Wed, 21 Mar 2012 11:13:54 +0200
Subject: [PATCH] Removed jQuery dependency from preventZoom function.

---
 js/helper.js | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/js/helper.js b/js/helper.js
index 7e6ce76f..e17eb934 100644
--- a/js/helper.js
+++ b/js/helper.js
@@ -282,9 +282,17 @@ MBP.enableActive = function () {
 // Prevent iOS from zooming onfocus
 // http://nerd.vasilis.nl/prevent-ios-from-zooming-onfocus/
 MBP.preventZoom = function () {
-  $('input, select, textarea').bind('focus blur', function(event) {
-    MBP.viewportmeta.content = 'width=device-width,initial-scale=1,maximum-scale=' + (event.type == 'blur' ? 10 : 1);
-  });
+  var formFields = document.querySelectorAll('input, select, textarea');
+  var contentString = 'width=device-width,initial-scale=1,maximum-scale=';
+  var i = 0;
+  for(i = 0; i < formFields.length; i++) {
+    formFields[i].onfocus = function() {
+      MBP.viewportmeta.content = contentString + '1';
+    };
+    formFields[i].onblur = function() {
+      MBP.viewportmeta.content = contentString + '10';
+    };
+  }
 };
 
-})(document);
\ No newline at end of file
+})(document);