browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName ==  "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))
var CurrWin;
if (browser){
  // off images
  portfolionews_0 = new Image(127,21);
  portfolionews_0.src="images/newspage/portfolionews_0.jpg";
  obpnews_0 = new Image(76,21);
  obpnews_0.src="images/newspage/obpnews_0.jpg";
  calendarnews_0 = new Image(161,21);
  calendarnews_0.src="images/newspage/calendarnews_0.jpg";

  pnewsmenu_0 = new Image(81,8);
  pnewsmenu_0.src="images/newspage/pnewsmenu_0.jpg";
  obpnewsmenu_0 = new Image(59,8);
  obpnewsmenu_0.src="images/newspage/obpnewsmenu_0.jpg";
  eventnewsmenu_0 = new Image(52,19);
  eventnewsmenu_0.src="images/newspage/eventnewsmenu_0.jpg";
  
  // on images
  
  portfolionews_1 = new Image(127,21);
  portfolionews_1.src="images/newspage/portfolionews_1.jpg";
  obpnews_1 = new Image(76,21);
  obpnews_1.src="images/newspage/obpnews_1.jpg";
  calendarnews_1 = new Image(161,21);
  calendarnews_1.src="images/newspage/calendarnews_1.jpg";  


  pnewsmenu_1 = new Image(81,8);
  pnewsmenu_1.src="images/newspage/pnewsmenu_1.jpg";
  obpnewsmenu_1 = new Image(59,8);
  obpnewsmenu_1.src="images/newspage/obpnewsmenu_1.jpg";
  eventnewsmenu_1 = new Image(52,19);
  eventnewsmenu_1.src="images/newspage/eventnewsmenu_1.jpg";


  back2top_1 = new Image(72,31);
  back2top_1.src="images/back2top_1.jpg";  
  back2top_0 = new Image(72,31);
  back2top_0.src="images/back2top_0.jpg"; 

  CurrWin = 'portfoliostories';
  CurrSubMenu = 'portfolionews';

}


function show_news(newsType) 
{
//  if(navigator.appName.indexOf("Netscape")>-1) 
//  {
	var OldImage;
	// if the click is not on the news item currently displayed
	if(newsType!=CurrWin)
	{
		// unhighlight previous news item (need to temperarily reset submenu, for imgchg to react)
		OldImage=CurrSubMenu;
		document.all(CurrWin).style.visibility="hidden";		// hide current window
		CurrSubMenu='temp';
		imgchg('0',OldImage);

		// show new window
		document.all(newsType).style.visibility="visible";
		CurrWin=newsType;
		// change the highlighted submenu
		if(CurrWin=='portfoliostories')
		{
			CurrSubMenu = 'portfolionews';
		}
		else if(CurrWin=='obpstories')
		{
			CurrSubMenu = 'obpnews';
		}
		else
		{
			CurrSubMenu = 'calendarnews';
		}

		imgchg('1', CurrSubMenu);
	}

}

/*
function getStyleObject(objectId) {
    // cross-browser function to get an object's style object given its id
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM.. note: this won't find nested layers
	return document.layers[objectId];
    } else {
	return false;
    }
} // getStyleObject
*/