.layoutA { display:block; visibility:visible; }
.layoutB { display:none; visibility:hidden; }
.layoutC { display:none; visibility:hidden; }
.layoutD { display:none; visibility:hidden; }
.layoutAB { display:block; visibility:visible; }
.layoutAC { display:block; visibility:visible; }
.layoutAD { display:block; visibility:visible; }
.layoutBC { display:none; visibility:hidden; }
.layoutBD { display:none; visibility:hidden; }
.layoutCD { display:none; visibility:hidden; }
.layoutABC { display:block; visibility:visible; }
.layoutABD { display:block; visibility:visible; }
.layoutACD { display:block; visibility:visible; }
.layoutBCD { display:none; visibility:hidden; }
.layoutABCD { display:block; visibility:visible; }

.ie8hide { display:block; visibility:visible; }
.ie8only { display:none; visibility:hidden; }

.col1 { float:left; max-width:48%; width:48%; min-width:48%; }
.col2 { float:left; max-width:48%; width:48%; min-width:48%; }

.col3 { float:left; max-width:48%; width:48%; min-width:48%; clear:both; }
.col4 { float:left; max-width:48%; width:48%; min-width:48%; }