double dragglable issue in ie 8

double dragglable issue in ie 8


http://sakuraresort.w-web.com/index.php
You can see I have a black panel with black background, and there is a
map in the bottom of the panel, I use draggable both on the panel and
map, in Firefox, it works perfectly, but in IE 8, if you drag the map,
and the panel will be move too.