.left {float:left;}
.right {float:right;}
.cL {clear:left; font-size:0px;} /* IE6 compliance */
.cB {clear:both;}

.abs {position:absolute;}
.rel {position:relative;}

.ofH {overflow:hidden;}

.tac {text-align:center;}
.tal {text-align:left;}
.tar {text-align:right;}

.vat {vertical-align:top;}
.vam {vertical-align:middle;}

.block {opacity:1.0; filter:alpha(opacity=100); -moz-opacity:1.0;}
.none {opacity:.0; filter:alpha(opacity=0); -moz-opacity:.0;}

.expd {display:block;}
.coll {display:none;}