Revert "Merge pull request jquery-archive#3172 from eddiemonge/issue_3169.1"

This reverts commit 9e58b93, reversing
changes made to 97bad66.

Author: johnbender

js/jquery.mobile.support.js

@@ -52,17 +52,13 @@ function baseTagTest() {
 // allows for inclusion of IE 6+, including Windows Mobile 7
 $.mobile.browser = {};
 $.mobile.browser.ie = (function() {
-    var undef,
-        v = 3,
-        div = document.createElement('div'),
-        all = div.getElementsByTagName('i');
-    
-    while (
-        div.innerHTML = '<!--[if gt IE ' + (++v) + ']><i></i><![endif]-->',
-        all[0]
-    );
-    
-    return v > 4 ? v : undef;
+	var v = 3,
+	div = document.createElement( "div" ),
+	a = div.all || [];
+
+	while ( div.innerHTML = "<!--[if gt IE " + ( ++v ) + "]><br><![endif]-->", a[ 0 ] );
+
+	return v > 4 ? v : !v;
 })();