function ShowHideLayers() {
  var i,p,v,obj,args=ShowHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=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 MontrePlaquette() {
  var args=MontrePlaquette.arguments[0];
  
 if(args=='soc') {
 	ShowHideLayers('soc','','show');
	ShowHideLayers('sav','','hide');
	ShowHideLayers('parc','','hide');
	ShowHideLayers('qual','','hide');
	ShowHideLayers('con','','hide');
	}
if(args=='sav') {
 	ShowHideLayers('soc','','hide');
	ShowHideLayers('sav','','show');
	ShowHideLayers('parc','','hide');
	ShowHideLayers('qual','','hide');
	ShowHideLayers('con','','hide');}
if(args=='parc') {
 		ShowHideLayers('soc','','hide');
	ShowHideLayers('sav','','hide');
	ShowHideLayers('parc','','show');
	ShowHideLayers('qual','','hide');
	ShowHideLayers('con','','hide');}
if(args=='qual') {
 	ShowHideLayers('soc','','hide');
	ShowHideLayers('sav','','hide');
	ShowHideLayers('parc','','hide');
	ShowHideLayers('qual','','show');
	ShowHideLayers('con','','hide');}
if(args=='con') {
 		ShowHideLayers('soc','','hide');
	ShowHideLayers('sav','','hide');
	ShowHideLayers('parc','','hide');
	ShowHideLayers('qual','','hide');
	ShowHideLayers('con','','show');}

	
}

function CachePlaquette() {
 
 	ShowHideLayers('def','','show');
	ShowHideLayers('soc','','hide');
	ShowHideLayers('sav','','hide');
	ShowHideLayers('parc','','hide');
	ShowHideLayers('qual','','hide');
	ShowHideLayers('con','','hide');
}