#divFullscreen{
	top: 0px;
	left: 0px;
	position: fixed;
	z-index: 1000;
	display: show;
	cursor: pointer;
}
#divInfo{
	top: 0px;
	left: 0px;
	position: fixed;
	z-index: 900;
}

#layerBack{
	top: 0px;
	left: 0%;
	height: 100%;
	position: fixed;
	z-index: 1;
}
#layerFront{
	top: 0px;
	left: 0%;
	height: 100%;
	position: fixed;
	z-index: 10;
}
#layerMiddle{
	top: 0px;
	left: 0%;
	height: 100%;
	position: fixed;
	z-index: 5;
}

@media only screen and (max-width : 1024px){
	#divFullscreen{
		display: none;
	}
	#divInfo{
		display: none;
	}
}
@media only screen and (max-width : 640px){
	#divFullscreen{
		display: none;
	}
}