Roo.js

diff --git a/Roo.js b/Roo.js
index feca443..fb406a7 100644 (file)
--- a/Roo.js
+++ b/Roo.js
@@ -61,7 +61,7 @@ Roo.apply = function(o, c, defaults){
         isMac = (ua.indexOf("macintosh") != -1 || ua.indexOf("mac os x") != -1),
         isLinux = (ua.indexOf("linux") != -1),
         isSecure = window.location.href.toLowerCase().indexOf("https") === 0,
-        isTouch = 'ontouchstart' in document.documentElement;
+        isTouch =  'ontouchstart' in window || window.DocumentTouch && document instanceof DocumentTouch;
     // remove css image flicker
        if(isIE && !isIE7){
         try{