// JScript File

function y2k(number) { return (number < 1000) ? number + 1900 : number; }
function isDate (day,month,year)
{
    var today = new Date();
    if (!year) return false;
    if (!month) return false;
    if (!day) return false;
    
    month = month - 1;
    var test = new Date(year,month,day);
    if ( (y2k(test.getYear()) == year) && (month == test.getMonth()) && (day == test.getDate()) )
    {
        return true;
    }
    else
        return false;
}