function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function ShowCurs(value)
{       
    if (value=="1")  MM_showHideLayers('Layer0','','show','Layer1','','hide','Layer2','','hide');
    if (value=="2")  MM_showHideLayers('Layer1','','show','Layer2','','hide','Layer0','','hide');
    if (value=="3")  MM_showHideLayers('Layer2','','show','Layer1','','hide','Layer0','','hide');    
	 
}