body {margin: 0; padding: 0; }
#imSite {width: 1200px; margin: 15px auto; text-align: left; }
#imHeader {height: 50px; background-image: url('top.'); background-repeat: no-repeat; background-position: center center; }
#imBody {}
#imMenuMain {height: 30px; padding: 1px 7px 0 7px; }
#imContent {clear: left; padding: 20px 5px 0 5px; }
#imFooter {clear: both; height: 25px; }
#imFooter_L {margin: 5px 0 0 5px; float: left; }
#imFooter_R {margin: 5px 5px 0 0; float: right; }