body {margin: 0; padding: 0; background-color: #DFDFDF; }
#imSite {width: 1024px; margin: 15px auto; text-align: left; }
#imHeader {height: 100px; background-image: url('top.jpg'); background-repeat: no-repeat; }
#imBody {background-color: #F8F8F8; }
#imMenuMain {width: 134px; float: left; padding: 25px 0 0 10px; }
#imContent {width: 870px; float: left; margin-top: 15px; }
#imFooter {clear: both; height: 30px; }
#imFooter_L {margin: 10px 0 0 10px; float: left; }
#imFooter_R {margin: 10px 10px 0 0; float: right; }