if (typeof DrillSpot == "undefined")
{
    var DrillSpot = { };
}

DrillSpot.nav = 
{
    toggleSpec : function(groupID,otherSrc)
    {
        var btn = document.getElementById(groupID + '_btn');
        var cnt = document.getElementById(groupID + '_cnt');
        
        if (!btn.otherSrc) btn.otherSrc = otherSrc; 
        if (!btn.origSrc) btn.origSrc = btn.src;      
              
        var div = document.getElementById(groupID + '_pnl');
        var shown = DrillSpot.Dom.isDisplayed(div);
        
        if (shown)
        {
            DrillSpot.Dom.setClass(cnt,'category_specgroup');
            DrillSpot.Dom.hide(div);
            btn.src = btn.origSrc;
        }
        else
        {
            DrillSpot.Dom.setClass(cnt,'category_specgroup_sel');
            DrillSpot.Dom.show(div);
            btn.src = btn.otherSrc;
        }
    },
    initSpec : function(groupID,on)
    {
    }
};