function buildMenu() {
   addInstance("Sub-Ins A",  "Menu A",  "floating", "instance", "Top Ins",   "Sub-A",  "left", "top", 0, 0, "pad", "right-down", "hide", "content", "style");
   addInstance("Sub-Ins B",  "Menu B",  "floating", "instance", "Top Ins",   "Sub-B",  "left", "top", 0, 0, "pad", "right-down", "hide", "content", "style");
   addInstance("Sub-Ins C",  "Menu C",  "floating", "instance", "Top Ins",   "Sub-C",  "left", "top", 0, 0, "pad", "right-down", "hide", "content", "style");
   addInstance("Sub-Ins D",  "Menu D",  "floating", "instance", "Top Ins",   "Sub-D",  "left", "top", 0, 0, "pad", "right-down", "hide", "content", "style");
}