//  Licensed Materials - Property of IBM
//  5724I83
//  (C) Copyright IBM Corp. 1995, 2006 All Rights Reserved.
//

// HpbImgFind:
//
function HpbImgFind(doc, imgName)
{
  for (var i=0; i < doc.layers.length; i++)
  {
    var img = doc.layers[i].document.images[imgName];
    if (!img) img = HpbImgFind(doc.layers[i], imgName);
    if (img) return img;
  }
  return null;
}
// HpbImgSwap:
//
function HpbImgSwap(imgName, imgSrc)
{
  var appVer=parseInt(navigator.appVersion);
  var isNC=false,isN6=false,isIE=false;
  if (document.all && appVer >= 4) isIE=true; else
    if (document.getElementById && appVer > 4) isN6=true; else
      if (document.layers && appVer >= 4) isNC=true;
  if (isNC||isN6||isIE)
  {
    if (document.images)
    {
      var img = document.images[imgName];
      if (!img){
		img = HpbImgFind(document, imgName);
	  }
      if (img) img.src = imgSrc;
    }
  }
}

function HpbImgSwapOut(imgName, imgSrc)
{
  if(imgName == focusImg) return;
  var appVer=parseInt(navigator.appVersion);
  var isNC=false,isN6=false,isIE=false;
  if (document.all && appVer >= 4) isIE=true; else
    if (document.getElementById && appVer > 4) isN6=true; else
      if (document.layers && appVer >= 4) isNC=true;
  if (isNC||isN6||isIE)
  {
    if (document.images)
    {
      var img = document.images[imgName];
      if (!img){
		img = HpbImgFind(document, imgName);
	  }
      if (img) img.src = imgSrc;
    }
  }
}

function HpbOnClick(imageName,linkURL,height)
{
	document.getElementById("doc").src = linkURL;
	document.getElementById("doc").height = height;
	focusImg = imageName;
	HpbImgSwapOut('TOP', './img/top.gif');
	HpbImgSwapOut('RESEARCH', './img/research.gif');
	HpbImgSwapOut('MEMBER', './img/member.gif');
	HpbImgSwapOut('PAPERS', './img/papers.gif');
	HpbImgSwapOut('CONTACT', './img/contact.gif');
	HpbImgSwapOut('LINK', './img/link.gif');
}
var swImg; swImg=new Array;
var focusImg; focusImg = "TOP";