Fossil

      var e = document.getElementById("mc"+p.id);
      if(e) e.style.backgroundColor = p.bg;
      e = document.getElementById("md"+p.id);
      if(e) e.style.backgroundColor = p.bg;
    }
    if( p.r<0 ) return;
    if( p.u>0 ) drawUpArrow(p,tx.rowinfo[p.u-tx.iTopRow],p.fg);
    if( p.sb>0 ) drawUpDotted(p,tx.rowinfo[p.sb-tx.iTopRow],p.fg);
    var cls = node.cls;
    if( p.hasOwnProperty('mi') && p.mi.length ) cls += " merge";
    if( p.f&1 ) cls += " leaf";
    var n = drawBox(cls,p.bg,p.x,p.y);
    n.id = "tln"+p.id;
    n.onclick = clickOnNode;
    n.style.zIndex = 10;