help me mysql tables are corupted

[awaisdik2003]

I have 4 tables which are corrupted

searchcore
searchgroup
searchlog
tag
tagcontent

HOw to fix them plz help..I tried to repair the tables in php myadmin but still it shows table corrupted.

Incorrect information in file: tagcontent.frm
Incorrect information in file: tag.frm'
Incorrect information in file: searchlog.frm
Incorrect information in file: searchgroup.frm
Incorrect information in file: searchcore