function FindObject(n, d) 
{ 
  var p,i,x;  
  if(!d) 
    d=document; 
  if((p=n.indexOf("?"))>0&&parent.frames.length) 
  {
    d=parent.frames[n.substring(p+1)].document; 
    n=n.substring(0,p);
  }
  if(!(x=d[n])&&d.all)
    x=d.all[n]; 
  for (i=0;!x&&i<d.forms.length;i++) 
    x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) 
    x=FindObject(n,d.layers[i].document);
  if(!x && document.getElementById) 
    x=document.getElementById(n); 
  return x;
}

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