--- a/client/js/podium.js	Fri Feb 24 15:36:11 2012 +0100
+++ b/client/js/podium.js	Fri Feb 24 17:46:20 2012 +0100
@@ -21,21 +21,21 @@
     this.options.width = this.options.width || this._$.width();
     this.options.height = this.options.height || this._$.height();
     this.options.minHeight = this.options.minHeight || 0;
+    this.lastheights = [];
     this.update(data, true);
 }
 
 Btv_Podium.prototype.update = function(data, noAnimate) {
-    var _data = data || [],
-        _oldcount = this._$.children().length;
+    var _data = data || [];
     while (_data.length > this._$.children().length) {
         var _newCol = document.createElement("div");
         this.$(_newCol).css({
             "float": "left",
             "background": this.options.barBgd,
-            "margin-top": this.options.height,
             "width": 0,
             "height": 0,
-            "margin-left": 0
+            "margin-top": this.options.height,
+            "margin-left": 0,
         });
         this._$.append(_newCol);
     }
@@ -49,23 +49,31 @@
             _scale = (this.options.height - this.options.minHeight) / _max,
             _spacing = Math.min(this.options.spacing, Math.floor(.5*this.options.width/_data.length)),
             _width = Math.floor(( this.options.width - (_data.length - 1) * _spacing) / _data.length),
-            _this = this;
+            _this = this,
+            _heights = [];
         this._$.children().each(function(_i, _e) {
             var _height = Math.floor(_scale * _data[_i] + _this.options.minHeight),
-                _css = {};
-            if (_height != _this.$(_e).height()) {
-                _css["margin-top"] = _this.options.height - _height,
-                _css["height"] = _height
-            }
-            if (_data.length != _oldcount) {
+                _css = {},
+                _changed = false;
+            _heights.push(_height);
+            if (_data.length != _this.lastheights.length) {
                 _css["width"] = _width;
                 _css["margin-left"] = (_i ? _spacing : 0);
+                _changed = true;
             }
-            if (noAnimate) {
-                _this.$(_e).css(_css); 
-            } else {
-                _this.$(_e).animate(_css);
+            if (_i >= _data.length || _height != _this.lastheights[_i]) {
+                _css["height"] = _height;
+                _css["margin-top"] = _this.options.height - _height
+                _changed = true;
+            }
+            if (_changed) {
+                if (noAnimate) {
+                    _this.$(_e).css(_css); 
+                } else {
+                    _this.$(_e).animate(_css);
+                }
             }
         });
+        this.lastheights = _heights;
     }
 }
\ No newline at end of file