var xmlHttp


function showRandomFact()
{ 	
	if(document.getElementById("randomFact") != null){
		xmlHttp=GetXmlHttpObject();
		if (xmlHttp==null)
		  {
		  alert ("Your browser does not support AJAX!");
		  return;
		  }
		var url="/ngsxmlfeed/ngkidsfact.jsp";

		xmlHttp.onreadystatechange=stateChanged;
		xmlHttp.open("GET",url,true);
		xmlHttp.send(null);
	}
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{


var xmlDoc=xmlHttp.responseXML;
var xmlElementsTagName =xmlDoc.getElementsByTagName("NG-FACT-FACT-TXT");
var factTagCount = xmlElementsTagName.length;
var randomNumber = Math.floor(Math.random() * (factTagCount - 1) + 1);


document.getElementById("randomFact").innerHTML= '<div id="did_you_know"><img src="/staticfiles/NGS/NGKids/SiteAssets/img/spacer.gif" alt="Did You Know?" width="1" height="1" border="0" /><p>' + xmlElementsTagName[randomNumber].childNodes[0].nodeValue +'</p></div>';


}
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}