.hide {
    display: none;
}
.show {
    display: block;
}
.pageflip {
	position: relative;
	width: 200px; height: 264px;
	overflow: hidden;
}
.pageflip .front {
	width: 50px; height: 50px;
	z-index: 3;
	position: absolute;
	right: 0; top: 0;
	-ms-interpolation-mode: bicubic;
}
.pageflip .msg_block {
	width: 200px; height: 264px;
	position: absolute;
	z-index: 2;
	left: 0; top: 0;
}