div .mapoverlay {
    position: relative;
	margin: auto;
	padding: 0;
}

#main {
    height: 369px;
    width: 546px;
	
}
#overlayradius {
    position: absolute;
    height: 369px;
    width: 546px;
    top: 0;
    left: 0;
    display: none;
	
	
}
 #overlaytowns {
    position: absolute;
    height: 369px;
    width: 546px;
    top: 0;
    left: 0;
    display: none;
}