Feedback: irt.org FAQ Knowledge Base Q1773

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irt.org FAQ Knowledge Base Q1773

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Hi,

It is very usefull script but still some problem is there.
when any end of month come in between start and ened day. it calculates wrong end date.
just check it with this.
document.write(days_between('31-08-2007', 3))
>>>> returns 4/9/2007 = wrong
document.write(days_between('31-08-2007', 4))
>>>> returns 5/9/2007 = wrong
document.write(days_between('02-08-2007', 2))
>>>> returns 3/8/2007 = right

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function calculateDate(date1, days) {//calculate a date base on vdate+days. Date format is YYYYMMDD
var old_date = new Date(date1.substring(0, 4), parseInt(date1.substring(4, 6) - 1), date1.substring(6, 8));

var one_day = 24*60*60*1000;

alert(old_date.getTime());

var new_date = new Date(old_date.getTime()+(24*60*60*1000)*days);

var new_m = new_date.getMonth() + 1;
if (new_m > 9) m= '' + new_m;
else m = '0' + new_m;

var new_d = new_date.getDate();
if (new_d > 9) d= '' + new_d;
else d = '0' + new_d;

alert(new_date.getFullYear() + m + d);
return new_date.getFullYear() + m + d;

}