/* #main {width:100%} */
#main {width:766px; border-left: 1px #CCCCCC solid; border-right:1px #CCCCCC solid; margin: 0px auto;}
#header{height:287px;}
#footer{ height:132px}

.col_1{ width:255px; float:left}
.col_2{ width:511px; float:left}