Animations Silverlight

    xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' 
    xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
    xmlns:d='http://schemas.microsoft.com/expression/blend/2008' 
    xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' 
    mc:Ignorable='d' 
    d:DesignWidth='640' 
    d:DesignHeight='480'>
    




            RepeatBehavior="Forever">
              Storyboard.TargetName="ball"
         Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[3].(TranslateTransform.Y)"
         BeginTime="00:00:00">
         
         
         
         
     
              Storyboard.TargetName="ball"
         Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)"
         BeginTime="00:00:00">
        
         
     





                         VerticalAlignment="Top"
                  Margin="0,20,0,0"
                  Height="100" Width="100"
                 Fill="Blue"
                 RenderTransformOrigin="0.5,0.5">
             
                
                     
                     
                     
                    
                

             

        
                         VerticalAlignment="Bottom"
                 Height="70" Width="640" />