Control.Window has flicker after appearing

Control.Window.finishOpen positions windows AFTER it shows them. As a result, there is a noticeable flicker between when it appears and when the content appears on my Linux/FF3.

Below diff fixes it.

diff --git a/src/window.js b/src/window.js
index dac0adf..eae64d5 100755
--- a/src/window.js
+++ b/src/window.js
@@ -569,9 +569,11 @@ Control.Window = Class.create({
                                        this.notify('afterOpen');
                                }.bind(this)
                        });
-               }else
+            this.position(event);
+               }else{
+            this.position(event);
                        this.container.show();
-               this.position(event);
+        }
                if(!(this.options.draggable || this.options.resizable) && this.options.position == 'center')
                        Event.observe(window,'resize',this.positionHandler,false);
                if(!this.options.draggable && this.options.position == 'center')
@@ -926,4 +928,4 @@ Object.extend(Control.LightBox,{
                                throw $break;
                }
        }
-});
\ No newline at end of file
+});