.m_banner_hide{
	display:none;
}
.m_banner_show{
	display:block;
}

.posit {
	height: 100%;
	width: 100%;
	position: fixed;
	top: 0px;
	left: 0px;
	/*margin-top: -15px;
	margin-left: -10px;*/
}
.a{