JS refactoring

javascript.diff

diff --git a/public/javascripts/application.js b/public/javascripts/application.js
index e30ed18..d7b0745 100644
--- a/public/javascripts/application.js
+++ b/public/javascripts/application.js
@@ -6,22 +6,31 @@
  *
  */
 
+function zeroPad(number){
+  number = parseInt(number, 10);
+  if( number <= 9 ){
+    number = "0" + number;
+  }
+  return number;
+}
+
+function formattedDate(date){
+  var month = zeroPad(date.getMonth()+1);
+  var day   = zeroPad(date.getDate());
+  var year  = date.getFullYear();
+  return [year, month, day].join('-');
+}
+
 function daysFromNow(days) {
   var dt = new Date();
   dt.setDate(dt.getDate() + days);
-  var month = dt.getMonth()+1;
-  var day = dt.getDate();
-  var year = dt.getFullYear();
-  return month + '/' + day + '/' + year;
+  return formattedDate(dt);
 }
 
 function oneYearFromNow() {
   var dt = new Date();
   dt.setFullYear(dt.getFullYear() + 1);
-  var month = dt.getMonth()+1;
-  var day = dt.getDate();
-  var year = dt.getFullYear();
-  return month + '/' + day + '/' + year;
+  return formattedDate(dt);
 }
 
 function oneWeekFromNow() {