.print_only {
	display:block;	
}

.screen_only {
	display:none;	
}

#left_col { width:149px; float:left; text-align:center;  }

#middle_col { width:580px; float:left; border:1px solid #CDCDCD; border-top:none; border-bottom:none; }
#right_col { width:150px; float:left; text-align:center; } 

#wide_col { margin:0 auto; width:730px; margin-top:10px;} 
#single_col { width:730px; float:left; border-left:1px solid #CDCDCD;  }