TweenLite JS staggerTo

var TM = {};
	
	TM.staggerTo = function(targets, duration, vars, stagger, onCompleteAll, onCompleteAllParams, onCompleteAllScope) {
		stagger = stagger || 0;
		var delay = vars.delay || 0,
			a = [],
			finalComplete = function() {
				if (vars.onComplete) {
					vars.onComplete.apply(vars.onCompleteScope || this, arguments);
				}
				onCompleteAll.apply(onCompleteAllScope || this, onCompleteAllParams || []);
			},
			l, copy, i, p;
		if (!$.isArray(targets)) {
			if (typeof(targets) === "string") {
				targets = TweenLite.selector(targets) || targets;
			}
			if (TweenLite._internals.isSelector(targets)) {
				targets = [].slice.call(targets, 0);
			}
		}
		l = targets.length;
		for (i = 0; i < l; i++) {
			copy = {};
			for (p in vars) {
				copy[p] = vars[p];
			}
			copy.delay = delay;
			if (i === l - 1 && onCompleteAll) {
				copy.onComplete = finalComplete;
			}
			a[i] = new TweenLite(targets[i], duration, copy);
			delay += stagger;
		}
		return a;
	};