daysBetween(DateOne, DateTwo) {
var OneMonth = DateOne.substring(5, DateOne.lastIndexOf('-'));
var OneDay = DateOne.substring(DateOne.length, DateOne.lastIndexOf('-') + 1);
var OneYear = DateOne.substring(0, DateOne.indexOf('-'));
var TwoMonth = DateTwo.substring(5, DateTwo.lastIndexOf('-'));
var TwoDay = DateTwo.substring(DateTwo.length, DateTwo.lastIndexOf('-') + 1);
var TwoYear = DateTwo.substring(0, DateTwo.indexOf('-'));
var cha = ((Date.parse(OneMonth + '/' + OneDay + '/' + OneYear) - Date.parse(TwoMonth + '/' + TwoDay + '/' +
TwoYear)) / 86400000);
return Math.abs(cha);
},