navHide = true;
function navPopup_show(type) {
    navPopup_doHide();
    if (type == 'pic') {
        var popup_id = "navPicPopup";
        var popup_anchor = "navPicTab";
    }
    if (type == 'vid') {
        var popup_id = "navVidPopup";
        var popup_anchor = "navVidTab";
    }
    if (type == 'todays') {
      var popup_id = "navTodaysPopup";
      var popup_anchor = "navTodaysTab";
    }
    
    pop_obj = document.getElementById(popup_id);
    var xy = YAHOO.util.Dom.getXY(popup_anchor);
    

    xy[1] += 19;
    YAHOO.util.Dom.setXY(popup_id, xy);
    YAHOO.util.Dom.setStyle(popup_id,'visibility','visible');
    navHide = false;
}
function navPopup_hide(type) { 
    navHide = true;
    setTimeout("navPopup_doHide()", 1000);
}    
function navPopup_doHide() {
    if (navHide == true) {
        YAHOO.util.Dom.setStyle("navPicPopup",'visibility','hidden');
        YAHOO.util.Dom.setStyle("navVidPopup",'visibility','hidden');
        YAHOO.util.Dom.setStyle("navTodaysPopup",'visibility','hidden');
    }
}
function navPopup_onPopup() {
    navHide = false;
}