Sounds like a duplicate content penalty. I would suggest a formal reinclusion request rather than just resubmitting. You probably need to register for Google Webmaster Tools for that. Registration is worthwhile anyway as there is a lot of good stuff in there.

hi,thanks for your sujestion Peter it's exactly what i did duplicate my site to create another one ,which causes my site to be remove from the page that it was on thanks again.

Browser: thanks i'll try your sujestion.