var baseUrl = dipity.base_url;
var introPopupDefs = [
  { url:         baseUrl + '/popups/intro?popup=welcome',
    width:       200,
    height:      100,
    windowclass: 'standard',
    ismodal:     true },

  { url: 	 baseUrl + '/popups/intro?popup=channel',
    anchor: 	 'me_tab',
    windowclass: 'bubble tooth_up',
    top_offset:  48,
    ismodal:     false },

  { url:         baseUrl + '/popups/intro?popup=friends',
    anchor:      'friends_tab',
    windowclass: 'bubble tooth_up',
    top_offset:  48,
    ismodal:      false },

  { url: 	 baseUrl + '/popups/intro?popup=interests',
    anchor: 	 'topics_tab',
    windowclass: 'bubble tooth_up',
    top_offset:  48,
    ismodal:     false },

  { url: 	 baseUrl + '/popups/intro?popup=done',
    anchor: 	 'manage_feeds_btn',
    windowclass: 'bubble tooth_up',
    top_offset:  40,
    left_offset: -10,
    ismodal:     false }
];
var introCurrIndex = null;
  
function introOpenPopup(event, num) {
  if (event != null) {
    YAHOO.util.Event.stopEvent(event);
  }
  if (introCurrIndex != null) {
    var curr = introPopupDefs[introCurrIndex];
    curr.popup.setOnClose("");
    curr.popup.close();
    introCurrIndex = null;
  }

  if (num >= 0 && num <= introPopupDefs.length) {
    introCurrIndex = num - 1;
    var args = introPopupDefs[introCurrIndex];
    args.hash = 'intro' + num;
    args.popup = new PopupDialog(args);
    args.popup.setOnClose("document.location='" + baseUrl + "/you'");
    args.popup.prepareOpen();
  }
}