/*for div only // function na_show_layer(lname, flag)
{
  var layer = (navigator.appName == 'Netscape') ? document.layers[lname] : document.all[lname];
  if (lname == '')
    return;
  if (navigator.appName == 'Netscape')
    layer.visibility = (flag == 0) ? 'show' : 'hide';
  else
    layer.style.visibility = (flag == 0) ? 'visible' : 'hidden';
} */

function WI_findObj(n, d) { //v4.01
  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=WI_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function WI_showHideLayers() { //v6.0
  var i,p,v,obj,args=WI_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=WI_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; }
}