function findObj(theObj, theDoc)
{
  var p, i, foundObj;
  
  if(!theDoc) theDoc = document;
  if( (p = theObj.indexOf("?")) > 0 && parent.frames.length)
  {
    theDoc = parent.frames[theObj.substring(p+1)].document;
    theObj = theObj.substring(0,p);
  }
  if(!(foundObj = theDoc[theObj]) && theDoc.all) foundObj = theDoc.all[theObj];
  for (i=0; !foundObj && i < theDoc.forms.length; i++) 
    foundObj = theDoc.forms[i][theObj];
  for(i=0; !foundObj && theDoc.layers && i < theDoc.layers.length; i++) 
    foundObj = findObj(theObj,theDoc.layers[i].document);
  if(!foundObj && document.getElementById) foundObj = document.getElementById(theObj);
  
  return foundObj;
}

var ie4 = document.all;
var ns4 = document.layers;
var ns6 = document.getElementById && !document.all; 
var curObj;
var Interval = (ie4) ? 600 : 400;

//Example: preloadImages('file.gif', 'http://www.x.com/y.gif');
function preloadImages()
{
  if(document.images)
  {
    if(!document.imageArray) document.imageArray = new Array();
    var i,j = document.imageArray.length, args = preloadImages.arguments;
    
    for(i=0; i<args.length; i++)
    {
      if (args[i].indexOf("#")!=0)
      {
        document.imageArray[j] = new Image;
        document.imageArray[j++].src = args[i];
      }
    }
  }
}
var ImgDir = "images/";
preloadImages(ImgDir + "marker_main.gif", ImgDir + "marker_main_a.gif");
function SwapImg(id,bIsOver, ImgDir)
{
	var Obj = findObj(id);
	if (Obj)
	{
		Obj.src = (bIsOver)?(ImgDir + "marker_main_a.gif"):(ImgDir + "marker_main.gif");
	}
}

var layerRef = "null", styleSwitch = "null";
var OnDiv = "false";

   HM_DOM = (document.getElementById) ? true : false;
   HM_NS4 = (document.layers) ? true : false; 
   
if (HM_NS4) {
	layerRef = "document.layers";
	styleSwitch = "";
	visiblevar = "show";
	hidevar = "hide";
}else{
	if (HM_DOM)
		{
 			styleSwitch=".style";
			visiblevar="visible";
			hidevar="hidden";
		}
		else 
		{
			layerRef="document.all";
 			styleSwitch=".style";
			visiblevar="visible";
			hidevar="hidden";
		}
  }