function MM_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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}


function MM_showHideLayers() { //v6.0
  var i,p,v,texte,obj;
  var args=MM_showHideLayers.arguments;
  
  var titleLayer = xGetElementById('mclc_sn');
  //alert(args.length);
  for (i=0; i<(args.length-1); i+=4)
	if ((obj=MM_findObj(args[i]))!=null) {
		v=args[i+2];
		texte=args[i+3];
		if (obj.style) {
			obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v;
		}
		obj.visibility=v;
		if ( titleLayer  != null ){
			titleLayer.innerHTML = texte;
		}
	}
}