.clear{
	clear:both;
	height:0;
	overflow:hidden;
}

.cleared{
	clear:both;
	padding-bottom:1px;
}

.cleared:after{
	display:block;
	content:'';
	clear:both;
}

.invisible{
	visibility:hidden;
}

.not_display{
	display:none !important;
}

.unselectable{
	-moz-user-select:none;
	-webkit-user-select:none;
	behavior: expression(
		( this.onselectstart = function(){ return !(1+(' ' + this.className + ' ').indexOf(' unselectable ')) } ),
		( this.style.behavior = null )
	);
}
/* Opera */
.unselectable::selection { color: inherit }

.nowrap{
	white-space: nowrap;
}

.col{
	position:relative;
	float:left;
	clear:right;
}