//taken from http://www.w3schools.com/xml/xml_http.asp
//modified by odbol http://www.odbol.com

var storyPaneId = 'storyPane';
var storyContentId = 'storyContent';

var xmlhttp;

function loadXMLDoc(url)
{
xmlhttp=null
// code for Mozilla, etc.
if (window.XMLHttpRequest)
  {
  xmlhttp=new XMLHttpRequest()
  }
// code for IE
else if (window.ActiveXObject)
  {
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP")
  }
if (xmlhttp!=null)
  {
  xmlhttp.onreadystatechange=state_Change
  xmlhttp.open("GET",url,true)
  xmlhttp.send(null)
  }
else
  {
  alert("Your browser does not support XMLHTTP.")
  }
}

function state_Change()
{
// if xmlhttp shows "loaded"
if (xmlhttp.readyState==4)
  {
  // if "OK"
  if (xmlhttp.status==200)
  {
  	document.getElementById(storyContentId).innerHTML=xmlhttp.responseText;
	showPane(storyPaneId);
  }
  else
  {
  alert("Problem retrieving data:" + xmlhttp.statusText)
  }
  }
}



function hidePane(paneId) {
	pane = document.getElementById(paneId);
	pane.style.visible = 'hidden';
	pane.style.display = 'none';
}

function showPane(paneId) {
	pane = document.getElementById(paneId);
	pane.style.visible = 'visible';
	pane.style.display = 'inline';
}

function showStory(url, paneId, contentId) {
	//this global is loaded with the contents from url into the DIV paneId 
	storyPaneId = paneId;
	storyContentId = contentId;
	loadXMLDoc(url);
}