

<!--



function MM_findObj(n, d) { //v3.0

  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); 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 showLayer(id) {

  var lyr = getElemRefs(id);

  if (lyr && lyr.css) lyr.css.visibility = "visible";

}



function hideLayer(id) {

  var lyr = getElemRefs(id);

  if (lyr && lyr.css) lyr.css.visibility = "hidden";

}



function getElemRefs(id) {

	var el = (document.getElementById)? document.getElementById(id): (document.all)? document.all[id]: (document.layers)? getLyrRef(id,document): null;

	if (el) el.css = (el.style)? el.style: el;

	return el;

}



// get reference to nested layer for ns4

// from old dhtmllib.js by Mike Hall of www.brainjar.com

function getLyrRef(lyr,doc) {

	if (document.layers) {

		var theLyr;

		for (var i=0; i<doc.layers.length; i++) {

	  	theLyr = doc.layers[i];

			if (theLyr.name == lyr) return theLyr;

			else if (theLyr.document.layers.length > 0) 

	    	if ((theLyr = getLyrRef(lyr,theLyr.document)) != null)

					return theLyr;

	  }

		return null;

  }

}

//-->