function MM_findObj(n, d) { //v4.0
  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=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}
function MM_showHideLayers() { //v3.0
  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 showHideLayers(vname,vtype) {
  var obj,v;
  if ((obj=MM_findObj('L'+vname))!=null) {
    if (obj.style) { obj=obj.style; v=(vtype=='show')?'visible':'hidden'; }
    obj.visibility=v;
  }
  if ((obj=MM_findObj('S'+vname))!=null) {
    v=(vtype=='show')?'menu1':'none';
    obj.className=v;
  }
  //superstr.innerHTML='s:'+(vtype);
}