Added support for custom button texts + Added support for deleting markers + reworked the way the "+" and "-" buttons work + Added a "placeholder" marker when clicking "+" to show where in the timeline the marker will be posted

/** the parent */
var box = {};

/** @namespace */
box.holder = {}

box.holder.foo = function() {
	/** the counter */
	this.counter = 1;
}

box.holder.foo();
print(box.holder.counter);