seed = function () {
		var rnd = function () {
			return Math.round(Math.random() * 0xFFFFFFFF).toString(36);
		};

		var now = new Date().getTime();
		return 's' + now.toString(36) + rnd() + rnd() + rnd();
	}
Generates unique ids.

@class tinymce.util.Uuid
@private