.fL {
	float: left;
}

.fR {
	float: right;
}

.cA {
	clear: both;
}

.cL {
	clear: left;
}

.cR {
	clear: right;
}

.cN {
	clear: none;
}

a img {
	border: none;
}

img.img_button {
	cursor: pointer;
}