/*
 * By Masayan
 */
#back-to-top {
	bottom:50%;
	display:block;
	outline-color:invert;
	outline-style:none;
	outline-width:0pt;
	position:fixed;
	right:5px;
	 /* IE5 later && javascript-on */
	/* using underscore hack */
	_position: expression('absolute');
	_top: expression(documentElement.scrollTop + 400 + 'px');
	_right: expression(documentElement.scrollLeft + 5 + 'px');
}

#back-to-top a img {
	border: 0;
}