// JavaScript Document

var xmlHttp

function getLinks(str) { 
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null) {
  		alert ("Your browser does not support AJAX!");
  		return;
	}
	var url="links.xml";
	url=url+"?q="+str;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function stateChanged() { 
	if (xmlHttp.readyState==4) {
		var xmlDoc=xmlHttp.responseXML.documentElement;
		
		var homeLink = xmlDoc.getElementsByTagName("home")[0].childNodes[0].nodeValue;
		document.getElementById("home").innerHTML=
		'<a href="'+homeLink+'" title="Home"><img src="images/union_palmer_03.jpg" width="73" height="27" alt="" border="0"></a>';
		
		
		var hospitalLink = xmlDoc.getElementsByTagName("hospital")[0].childNodes[0].nodeValue;
		document.getElementById("hospital").innerHTML=
		'<a href="'+hospitalLink+'" title="Union Memorial Hospital"><img src="images/union_palmer_04.jpg" width="154" height="26" alt="" border="0"></a>';
		
		var sportsLink = xmlDoc.getElementsByTagName("sports_medicine")[0].childNodes[0].nodeValue;
		document.getElementById("sports_medicine").innerHTML=
		'<a href="'+sportsLink+'" title="Union Memorial Sports Medicine"><img src="images/union_palmer_05.jpg" width="214" height="27" alt="" border="0"></a>';
		
		
		//document.getElementById("specialists").innerHTML=
		//xmlDoc.getElementsByTagName("specialists")[0].childNodes[0].nodeValue;
		
		var centerLink = xmlDoc.getElementsByTagName("center_info")[0].childNodes[0].nodeValue;
		document.getElementById("center_info").innerHTML=
		'<a href="'+centerLink+'" title="SportsHealth Center Info"><img src="images/union_palmer_07.jpg" width="172" height="26" alt="" border="0"></a>';
		var brochureLink = xmlDoc.getElementsByTagName("brochure")[0].childNodes[0].nodeValue;
		document.getElementById("brochure").innerHTML=
		'<a href="'+brochureLink+'" title="Download Brochure"><img src="images/union_palmer_18.jpg" width="167" height="32" alt="" border="0"></a>';
		
		
		var appLink = xmlDoc.getElementsByTagName("appointment")[0].childNodes[0].nodeValue;
		document.getElementById("appointment").innerHTML=
		'<a href="'+appLink+'" title="Request Appointment"><img src="images/union_palmer_20.jpg" width="188" height="32" alt="" border="0"></a>';
	}
}

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;
}

function init() {
	if (document.getElementById("home")) {
		getLinks('links');
	}
}
window.onload=init;