<!--

if (document.images)
{
  // pre-cache rollover images
  var home_off = new Image(160,57)
  home_off.src = "graphics/buttons/btn_home_off.gif"
  var home_over = new Image(160,57)
  home_over.src = "graphics/buttons/btn_home_over.gif" 

  var about_off = new Image(160,47)
  about_off.src = "graphics/buttons/btn_about_off.gif"
  var about_over = new Image(160,47)
  about_over.src = "graphics/buttons/btn_about_over.gif" 

  var workshops_off = new Image(160,58)
  workshops_off.src = "graphics/buttons/btn_workshops_off.gif"
  var workshops_over = new Image(160,58)
  workshops_over.src = "graphics/buttons/btn_workshops_over.gif" 
  
  var schedule_off = new Image(160,55)
  schedule_off.src = "graphics/buttons/btn_schedule_off.gif"
  var schedule_over = new Image(160,55)
  schedule_over.src = "graphics/buttons/btn_schedule_over.gif" 
  
  var classes_off = new Image(160,54)
  classes_off.src = "graphics/buttons/btn_classes_off.gif"
  var classes_over = new Image(160,54)
  classes_over.src = "graphics/buttons/btn_classes_over.gif" 
  
  var directions_off = new Image(160,50)
  directions_off.src = "graphics/buttons/btn_directions_off.gif"
  var directions_over = new Image(160,50)
  directions_over.src = "graphics/buttons/btn_directions_over.gif" 
  
  var photos_off = new Image(160,50)
  photos_off.src = "graphics/buttons/btn_photos_off.gif"
  var photos_over = new Image(160,50)
  photos_over.src = "graphics/buttons/btn_photos_over.gif" 
  
  var mentor_off = new Image(160,66)
  mentor_off.src = "graphics/buttons/btn_mentor_off.gif"
  var mentor_over = new Image(160,66)
  mentor_over.src = "graphics/buttons/btn_mentor_over.gif"

}


// swap images
function di(id,name)
{
  if (document.images)
    document.images[id].src=eval(name+".src");
}

var popWin = null;
var popHeight = 450;
var openString;

var availHeight;
availHeight = Math.round(screen.availHeight * 0.75);
if (availHeight > popHeight)
  popHeight = availHeight;


openString = "scrollbars=yes,resizable=yes,toolbar=no,menubar=yes,location=no,width=730,height=" + popHeight.toString() + ",top=40,";

function popup(url)
{
  if (popWin != null && !popWin.closed)
    popWin.location = url;
  else
    popWin = window.open(url, "NewWin", openString);
}

// -->