function PopMenu(obj) {
	this.lock = false;
	this.obj = obj;
	this.obj.style["display"] = "none";
}

PopMenu.prototype.show = function(visible) {
	if (!this.lock)
		this.obj.style["display"] = (visible ? "block" : "none");
}

PopMenu.prototype.lockm = function(lock) {
	this.lock = lock;
}