Also open initially opened tab when using history back (see #2).

Author: wangaz

src/assets/jquery-ui-tabs/core-uncompressed.js

@@ -44,7 +44,14 @@
 		},
 
 		toggle: function(hash) {
-			var index = this._getIndex(hash);
+			var index;
+			
+			// open first tab on empty hash
+			if (hash == '') {
+				index = 0;
+			} else {
+				index = this._getIndex(hash);
+			}
 
 			if (index >= 0)
 			{
@@ -68,4 +75,4 @@
 
 		$('section.ce_tabs').tabs('toggle', hash);
 	});
-})(jQuery);
+})(jQuery);