Replace this line
scvTest1.Panel.AddView(WVUrl,0,1*lblHeight1,100%x,100%y)
by this one.
scvTest1.Panel.AddView(WVUrl,0,1*lblHeight1,100%x,100%y - lblHeight1)
You should try to replace the ScrollvVew scvTest1 by a Panel.
In your case I suppose that there is a conflict between the scrolling of the ScrollView and the scrolling of the WebView.