release 1.1.1, [bug fixed] center against window failed

CHANGELOG.md

@@ -1,5 +1,11 @@
 # jQuery Center Plugin CHANGELOG
 
+## 1.1.1/ 2012-10-31
+
+- [bug fix] center against window failed
+
+
+
 ## 1.1.0
 
 * Add center on window resize option, default to true

jquery.center.js

@@ -1,17 +1,29 @@
 /*! Copyright 2011, Ben Lin (http://dreamerslab.com/)
 * Licensed under the MIT License (LICENSE.txt).
 *
-* Version: 1.1.0
+* Version: 1.1.1
 *
 * Requires: jQuery 1.2.6+
 */
 ;( function( $, window ){
+  var get_win_size = function (){
+    if( window.innerWidth != undefined ){
+      return [ window.innerWidth, window.innerHeight ];
+    }else{
+      var B = document.body;
+      var D = document.documentElement;
+
+      return [ Math.max( D.clientWidth, B.clientWidth ), Math.max( D.clientHeight, B.clientHeight )];
+    }
+  }
+
   $.fn.center = function( opt ){
     var $w        = $( window ); // cache gobal
     var scrollTop = $w.scrollTop();
 
     return this.each( function(){
       var $this = $( this ); // cache $( this )
+
       // merge user options with default configs
       var configs = $.extend({
         against       : 'window',
@@ -22,26 +34,29 @@
 
       var centerize = function(){
         var against = configs.against;
+        var against_w_n_h;
         var $against;
 
         if( against === 'window' ){
-          $against = $w;
+          against_w_n_h = get_win_size();
         }else if( against === 'parent' ){
-          $against = $this.parent();
-          scrollTop = 0;
+          $against      = $this.parent();
+          against_w_n_h = [ $against.width(), $against.height()];
+          scrollTop     = 0;
         }else{
-          $against = $this.parents( against );
-          scrollTop = 0;
+          $against      = $this.parents( against );
+          against_w_n_h = [ $against.width(), $against.height()];
+          scrollTop     = 0;
         }
 
-        var x = (( $against.width()) - ( $this.outerWidth())) * 0.5;
-        var y = (( $against.height()) - ( $this.outerHeight())) * configs.topPercentage + scrollTop;
+        var x = (( against_w_n_h[ 0 ]) - ( $this.outerWidth())) * 0.5;
+        var y = (( against_w_n_h[ 1 ]) - ( $this.outerHeight())) * configs.topPercentage + scrollTop;
 
         if( configs.top ) y = configs.top + scrollTop;
 
         $this.css({
           'left' : x,
-          'top' : y
+          'top'  : y
         });
       };