function writeNavForIE(){
	if(navigator.appName == "Microsoft Internet Explorer"){
		writeNav();
	}
}

function writeNavForNonIE(){
	if(navigator.appName != "Microsoft"){
		writeNav();
	}
}

function writeNav(){
	document.write('<div id="nav">');
	document.write('	<img src="/images/hcp/nav_top.gif" alt="" width="187" height="14" border="0" align="top" /><br />');
	document.write('	<a href="#"><img src="/images/hcp/nav_rsv.gif" alt="RSV" width="187" height="26" border="0" title="RSV" /></a><br />');
	document.write('	<a href="#"><img src="/images/hcp/nav_candidates.gif" alt="Potential Candidates for RSV Prophylaxsis" width="187" height="43" border="0" title="Potential Candidates for RSV Prophylaxsis" /></a><br />');
	document.write('	<a href="#"><img src="/images/hcp/nav_proph.gif" alt="Synagis&#174; for RSV Prophylaxsis" width="187" height="46" border="0" title="Synagis for RSV Prophylaxsis" /></a><br />');
	document.write('	<a href="#"><img src="/images/hcp/nav_office.gif" alt="Synagis&#174; Office Materials" width="187" height="32" border="0" title="Synagis&#174; Office Materials" /></a><br />');
	document.write('	<a href="#"><img src="/images/hcp/nav_education.gif" alt="Patient Education Materials" width="187" height="30" border="0" title="Patient Education Materials" /></a><br />');
	document.write('	<a href="#"><img src="/images/hcp/nav_links.gif" alt="Related Links" width="187" height="26" border="0" title="Related Links" /></a><br />');
	document.write('	<a href="#"><img src="/images/hcp/nav_medimmune.gif" alt="Medimmune Fellowship Program" width="187" height="49" border="0" title="Medimmune Fellowship Program" /></a><br />');
	document.write('	<img src="/images/hcp/nav_btm.gif" alt="" width="187" height="14" border="0" /><br />');
	document.write('	<a href="#"><img src="/images/hcp/nav_consumers.gif" alt="For Consumers" width="187" height="27" border="0" title="For Consumers" /></a></div>');
}

//variables used to center pop-up windows
var width = screen.width;
var height = screen.height;
var popUpWidth = 0;
var popUpHeight = 0;
var positionTop = 0;
var positionLeft = 0;
 
function openWindow(pageURL,popUpWidth,popUpHeight,pResize,pScrollbars)
{
  positionTop = ((height/2) - (popUpHeight/2));
  positionLeft = ((width/2) - (popUpWidth/2));
  popup=window.open(pageURL,'popup', config='width=' + popUpWidth + ',height=' + popUpHeight + ',left=' + positionLeft + ',top=' + positionTop + ',toolbar=no,directories=0,status=0,menubar=no,resizable=' + pResize + ',scrollbars=' + pScrollbars);
}

//Function
function leaveSite(site){
window.location = "/utilities/interstitial.aspx?redir="+escape(site);
}
function leaveSite2(site){
window.location = "/utilities/interstitial_synagis.aspx?redir="+escape(site);
}

//Function added to bypass problem with browser pop-up blocker
function openWindowTrack(pageURL,popUpWidth,popUpHeight,pResize,pScrollbars)
{  
  openWindow(pageURL,popUpWidth,popUpHeight,pResize,pScrollbars);
  document.location = "/utilities/PrePostSurveyTracker.aspx?page="+escape(document.location.pathname);
}