var layerid=new Array();
layerid[0]="grd";
layerid[1]="bg";
layerid[2]="bump";
layerid[3]="igrd";
layerid[4]="fov";
layerid[5]="fg";

var layername=new Array();
layername[0]="Geographic Grid";
layername[1]="Background";
layername[2]="Texture";
layername[3]="Geomagnetic Grid";
layername[4]="Radar FOV";
layername[5]="Coastlines";

var layerstate=new Array();
layerstate[0]="visible";
layerstate[1]="visible";
layerstate[2]="visible";
layerstate[3]="hidden";
layerstate[4]="visible";
layerstate[5]="visible";