#map {
	position: relative;
	min-width: 960px;
	width: 100%;
	height: 600px
}
#map_canvas {
	width: 100%;
	height: 100%
}
@media screen and (max-width:640px) {

#map {
	min-width: 320px;
	width: 100%;
	height: 320px
}
}