强制将图像转换为固定的div？

I'm trying to get an image to be scaled to the size of a table (unfortunately I need to keep the table) where the table is the same size as the div. Looking at the link below, the picture on the way right is what I expect. However, in the bottom picture, the image is not staying in its 100% sized table. Why doesn't the height get shrunk?I'm trying to get an image to be scaled to the