#topblock {
   width: 960px;
   height: 240px;
   /*margin-top:36px;*/
}

#topblock #topblockcontent {
   width: 940px;
   height: 188px;
}

#topblock #topblockbg {
   width: 960px;
   height: 240px;
}

#topblock #tb1 {
   left: 0px;
}

#topblock #tb2 {
   left: 478px;
}