// Global news pop
function popNews(filePath) {
	window.open(filePath,'loading','width=450,height=550,toolbar=0,resizable=1,location=0,status=1,scrollbars=1');
}

// Global video pop
function popVideo(filePath) {
	window.open(filePath,'loading','width=400,height=420,toolbar=0,resizable=1,location=0,status=1,scrollbars=0');
}

// Navigation Visibility
var DHTML = (document.getElementById || document.all || document.layers);

function getObj(name)	{
	  if (document.getElementById)	{
	  	this.obj = document.getElementById(name);
		this.style = document.getElementById(name).style;
	  }
	  else if (document.all)	{
		this.obj = document.all[name];
		this.style = document.all[name].style;
	  }
	  else if (document.layers)  {
	   	this.obj = document.layers[name];
	   	this.style = document.layers[name];
	  }
}

function showNav(chunk) {
		if (!DHTML) { return; }
		var displayedpic = new getObj(chunk);
		displayedpic.style.visibility = 'visible';
	}

function hideNav(chunk) {
		if (!DHTML) { return; }
		var hiddenpic = new getObj(chunk);
		hiddenpic.style.visibility = 'hidden';
	}

function hideWorkOver() {
  var iNorm = new Image();
  iNorm.src = "../images/navmain/work_norm.gif";
  document["work"].src = iNorm.src;
}

function hideWhoOver() {
  var iNorm = new Image();
  iNorm.src = "../images/navmain/catalog_norm.gif";
  document["catalog"].src = iNorm.src;
}

function hideAdvOver() {
  var iNorm = new Image();
  iNorm.src = "../images/navwork/adv_norm.gif";
  document["adv"].src = iNorm.src;
}

function hideWorkOverC() {
  var iNorm = new Image();
  iNorm.src = "../../images/navmain/work_norm.gif";
  document["work"].src = iNorm.src;
}

function hideWhoOverC() {
  var iNorm = new Image();
  iNorm.src = "../../images/navmain/catalog_norm.gif";
  document["catalog"].src = iNorm.src;
}

function hideAdvOverC() {
  var iNorm = new Image();
  iNorm.src = "../../images/navwork/adv_norm.gif";
  document["adv"].src = iNorm.src;
}