// **************************************************************************************************************************
// MTS3 Show/Hide Layer Javascript
// Filename:	MTS3ShowHideLayer.js
// By:		Danny Huang, Viewpoint New York, Jun. 7 2001
// Purpose:	Show layers or hide layers
// Usage:	onClick="MTSshowHideLayers('group of show layer','group of hide layer')"
//		argument:
//			group of show layer:	layer ids of the layer you tend to show
//			group of hide layer:	layer ids of the layer you tend to hide
//		example:
//			onClick="MTSshowHideLayers('Layer1,Layer2','Layer3')"
// Support:	IE4, IE5, NS4, NS6
// **************************************************************************************************************************

var IE4 = (document.all && !document.getElementById) ? true : false;
var IE5 = (document.all && document.getElementById) ? true : false;
var NS6 = (document.getElementById && !document.all) ? true : false;
var NS4 = navigator.appName.indexOf("Netscape") != -1 && !NS6;

function MTSshowHideLayers(){
 if(arguments[0] != ""){
  var vwpt_showArray = arguments[0].split(",");
  for(var i=0; i < vwpt_showArray.length; i++){
   if(IE4 || IE5) eval("document.all." + vwpt_showArray[i] + ".style.visibility = 'visible'");
   else if(NS6) document.getElementById(vwpt_showArray[i]).style.visibility = 'visible';
   else if(NS4) eval("document." + vwpt_showArray[i] + ".visibility = 'show'");
  }
 }
 if(arguments[1] != null && arguments[1] != ""){
  var vwpt_hideArray = arguments[1].split(",");
  for(var i=0; i < vwpt_hideArray.length; i++){
   if(IE4 || IE5) eval("document.all." + vwpt_hideArray[i] + ".style.visibility = 'hidden'");
   else if(NS6) document.getElementById(vwpt_hideArray[i]).style.visibility = 'hidden';
   else if(NS4) eval("document." + vwpt_hideArray[i] + ".visibility = 'hide'");
  }
 }
}