#column_left{width:200px; float:left; height: 80%; margin:auto; background-color: #1693F0;}
#column_right{width:700px; min-width:480px; float:left; margin:auto; margin-left:10px; margin-right:10px; margin-top:5px;}
#column_right_adsense{width:0px; float:left; visibility:hidden;}