Table height Problem

hi guys,

my problem is that i want my vertical tables be always 100%
when i add a new banner image the other table dont grow like the table that i put the new banner.

i try put the table with height 100% but when i put a new banner image make the same thing.

see the sample:

http://ventura.com.do/test/index.html

http://ventura.com.do/test/2.html

thanks for your help.