#si-r{
	display: none;
}
#si-l{
	left: 0;
	top: 22px;
	display: block;
}
body.left #si-r{
	left: 100%;
	top: 0;
	margin-left: 0;
	margin-right: auto;
	display: block;
}
body.left #si-l{
	display: none;
}
body.center #si-l{
	top: 100px;
}