#main { width:766px;}

#header {height:344px;}

#footer { height:69px;}


.column1, .column2, .col1, .col2 {float:left;}

.column1 {width:254px;}
.column2 {width:512px;}

#header_small {height:214px;}

.column1_small, .column2_small, .col1_small, .col2_small {float:left;}

.column1_small {width:254px;}
.column2_small {width:512px;}