.sidr{
	display:block;
	position:fixed;
	top:0;
	height:100%;
	z-index:999999;
	width:260px;
	overflow-x:hidden;
	overflow-y:auto
}
.sidr.right{
	left:auto;
	right:-260px
}
.sidr.left{
	left:-260px;
	right:auto
}