BOTH PANELS ARE HIGH TEMP . RESISTANT GLASS, BUT IT IS THE INNER OF THE TWO THAT HAS DETACHED FROM THE ADHESIVE (FACTORY FITTED)! IT HAS ONLY ONE DOOR(PULL DOWN)TYPE TO OPEN. I ALSO CAN'T FATHOM OUT HOW TO REMOVE THE ACTUAL DOOR TOTALLY CARRY OUT ANY SUCH REPAIR SHOULD I ACQUIRE SOME ADHESIVE AT A LATER DATE TO RE-FIX SAME.
RICKY BERNEY, February 2009