X-Git-Url: http://git.roojs.org/?p=roojs1;a=blobdiff_plain;f=Date.js;h=0470095f7fb4ba402235a965f1a88894cae5824c;hp=fffb3b71d1840e9f5ae39fc2627dfe7fa91b810d;hb=c47e24f9bde6e0a7a5994c0024daa13e7e4df117;hpb=18480d449e889bafc18e683dca94b2ff4729dbd4

diff --git a/Date.js b/Date.js
index fffb3b71d1..0470095f7f 100644
--- a/Date.js
+++ b/Date.js
@@ -104,12 +104,35 @@ document.write(dt.format(Date.patterns.ShortDate));
 /**
  Returns the number of milliseconds between this date and date
  @param {Date} date (optional) Defaults to now
- @return {Number} The diff in milliseconds
+ @param {String} interval (optional) Default Date.MILLI, A valid date interval enum value (eg. Date.DAY) 
+ @return {Number} The diff in milliseconds or units of interval
  @member Date getElapsed
  */
-Date.prototype.getElapsed = function(date) {
-	return Math.abs((date || new Date()).getTime()-this.getTime());
+Date.prototype.getElapsed = function(date, interval)
+{
+    date = date ||  new Date();
+    var ret = Math.abs(date.getTime()-this.getTime());
+    switch (interval) {
+       
+        case  Date.SECOND:
+            return Math.floor(ret / (1000));
+        case  Date.MINUTE:
+            return Math.floor(ret / (1000*60));
+        case  Date.HOUR:
+            return Math.floor(ret / (1000*60*60));
+        case  Date.DAY:
+            return Math.floor(ret / (1000*60*60*24));
+        case  Date.MONTH: // this does not give exact number...??
+            return ((date.format("Y") - this.format("Y")) * 12) + (date.format("m") - this.format("m"));
+        case  Date.YEAR: // this does not give exact number...??
+            return (date.format("Y") - this.format("Y"));
+       
+        case  Date.MILLI:
+        default:
+            return ret;
+    }
 };
+ 
 // was in date file..