function openWindow(url, name) {
  var l = openWindow.arguments.length;
  var w = "";
  var h = "";
  var features = "";

  for (i=2; i<l; i++) {
    var param = openWindow.arguments[i];
    if ( (parseInt(param) == 0) ||
      (isNaN(parseInt(param))) ) {
      features += param + ',';
    } else {
      (w == "") ? w = "width=" + param + "," :
       h = "height=" + param;
    }
  }

  features += w + h;
  var code = "popupWin = window.open(url, name";
  if (l > 2) code += ", '" + features;
  code += "')";
  eval(code);
  }
  
// write media player javascript and specify custom sizing.
document.write('<script src="/mediaplayer/player.js" language="JavaScript"></script>');
PBSVideoWindow_X=580;
PBSVideoWindow_Y=350; 

PBSAudioWindow_X=315;
PBSAudioWindow_Y=129; 

// drop down menu
function gotosite(site) {            
        if (site != "") {                    
                self.location=site; 
        }
}   
// enlarge milestones
function enlarge(year) {openWindow('popups/p'+year+'.html','popop', 597, 495, 'status', 'scrollbars')}

function feedback1() {openWindow('pop_feedback/index.html','feedback', 450,500);}
function feedback2() {openWindow('../pop_feedback/index.html','feedback', 450,500);}


// email this page
var fileName = document.URL;
escapedFileName = escape(fileName);
function openemail()
{
var popurl="email_friend/email.html?"+escapedFileName;
winpops=window.open(popurl,"","width=450,height=500");
}  
function openemailsub()
{
var popurl="../email_friend/email.html?"+escapedFileName;
winpops=window.open(popurl,"","width=450,height=500");
}