function _HpbShowObj(lId)
{
  var ob;ob=new Array;
  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)
  {
    w_str = "document." + lId;ob[lId] = eval(w_str);
    if (!ob[lId]) ob[lId] = _HpbFindHiddenObj(document, lId);
    if (ob[lId]) ob[lId].visibility = "show";
  }
  if (isN6)
  {
    ob[lId] = document.getElementById(lId);
    ob[lId].style.visibility = "visible";
  }
  if (isIE)
  {
    w_str = "document.all.item(\"" + lId + "\").style";ob[lId] = eval(w_str);
    ob[lId].visibility = "visible";
  }
}

function _HpbFindHiddenObj(doc, lId)
{
  for (var i=0; i < doc.layers.length; i++)
  {
    var w_str = "doc.layers[i].document." + lId;
    var obj;obj=new Array;
    obj[lId] = eval(w_str);
    if (!obj[lId]) obj[lId] = _HpbFindHiddenObj(doc.layers[i], lId);
    if (obj[lId]) return obj[lId];
  }
  return null;
}
//-->

function _HpbHideObj(lId)
{
  var ob;ob=new Array;
  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)
  {
    w_str = "document." + lId;ob[lId] = eval(w_str);
    if (!ob[lId]) ob[lId] = _HpbFindShownObj(document, lId);
    if (ob[lId]) ob[lId].visibility = "hide";
  }
  if (isN6)
  {
    ob[lId] = document.getElementById(lId);
    ob[lId].style.visibility = "hidden";
  }
  if (isIE)
  {
    w_str = "document.all.item(\"" + lId + "\").style";ob[lId] = eval(w_str);
    ob[lId].visibility = "hidden";
  }
}

function _HpbFindShownObj(doc, lId)
{
  for (var i=0; i < doc.layers.length; i++)
  {
    var w_str = "doc.layers[i].document." + lId;
    var obj;obj=new Array;
    obj[lId] = eval(w_str);
    if (!obj[lId]) obj[lId] = _HpbFindShownObj(doc.layers[i], lId);
    if (obj[lId]) return obj[lId];
  }
  return null;
}

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 _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;
}
//-->


function changeMapImage(url) {
    document.getElementById('map1').src = url;
}

function changeMapImage2(url) {
    document.getElementById('map2').src = url;
}

function changeMapImage3(url) {
    document.getElementById('map3').src = url;
}

function changeMapImage4(url) {
    document.getElementById('map4').src = url;
}


function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");

		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off."))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
}

if(window.addEventListener) {
	window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartRollover);
}