用于填充另一个单元格内的剩余空间的表（IE8）

I am trying to get the table "innerTable" to fill all remaining space inside another table. The browser in question is IE8 (no compatibility mode, IE8 browser mode, Doc mode IE8 Standards). The table won't scale to the containing TD. I tried to enclose the table in DIV on various depths (TD, TR, ..), but it did not help. I am trying to get the table "innerTable" to fi