<a href='#' onClick="document.enter2.submit();" onMouseOver="ChangeImg('enter','./pic/main/form_userstat_enter_push.gif')" onMouseOut="ChangeImg('enter','./pic/main/form_userstat_enter_notpush.gif')"> <img src='./pic/main/form_userstat_enter_notpush.gif' border='0' name='enter'></a>

Сделал ))