all the sliding glass windows at Home Depot are double layer glass now. I lost one of my sliding window panels from my kitchen window. i am looking for a replacement. i dont want to replace the whole window, i just want the missing sliding panel to put into the existing window. its not just the glass. i want the missing panel, with the frame. there are 2 sliding panels on each side, and a fixed panel in the middle. One of the panels is missing. not just the glass is missing or broken.