--- /dev/null
+/*==================================================\r
+ * Default Unit\r
+ *==================================================\r
+ */\r
+\r
+Timeline.NativeDateUnit = new Object();
+
+Timeline.NativeDateUnit.createLabeller = function(locale, timeZone) {
+ return new Timeline.GregorianDateLabeller(locale, timeZone);
+};
+\r
+Timeline.NativeDateUnit.makeDefaultValue = function() {
+ return new Date();
+};
+
+Timeline.NativeDateUnit.cloneValue = function(v) {
+ return new Date(v.getTime());
+};
+
+Timeline.NativeDateUnit.getParser = function(format) {
+ if (typeof format == "string") {
+ format = format.toLowerCase();
+ }
+ return (format == "iso8601" || format == "iso 8601") ?\r
+ Timeline.DateTime.parseIso8601DateTime : \r
+ Timeline.DateTime.parseGregorianDateTime;\r
+};
+
+Timeline.NativeDateUnit.parseFromObject = function(o) {
+ return Timeline.DateTime.parseGregorianDateTime(o);
+};
+\r
+Timeline.NativeDateUnit.toNumber = function(v) {
+ return v.getTime();
+};
+
+Timeline.NativeDateUnit.fromNumber = function(n) {
+ return new Date(n);
+};
+
+Timeline.NativeDateUnit.compare = function(v1, v2) {
+ var n1, n2;
+ if (typeof v1 == "object") {
+ n1 = v1.getTime();
+ } else {
+ n1 = Number(v1);
+ }
+ if (typeof v2 == "object") {
+ n2 = v2.getTime();
+ } else {
+ n2 = Number(v2);
+ }
+
+ return n1 - n2;
+};
+
+Timeline.NativeDateUnit.earlier = function(v1, v2) {
+ return Timeline.NativeDateUnit.compare(v1, v2) < 0 ? v1 : v2;
+};
+
+Timeline.NativeDateUnit.later = function(v1, v2) {
+ return Timeline.NativeDateUnit.compare(v1, v2) > 0 ? v1 : v2;
+};
+
+Timeline.NativeDateUnit.change = function(v, n) {
+ return new Date(v.getTime() + n);
+};
+