// JScript 文件
function CheckDate(obj)
        {
            var aDate = obj.parentNode.previousSibling.firstChild.value;
            if( aDate == '')
            {
                alert('Please select the date of booking');
                return false;
            }
            else
            {
                oDate = aDate.split('-'); 
                var d1 = new Date(oDate[1] + '-' + oDate[2] + '-' + oDate[0]);
                var d2  =  new  Date(); 

                if(d1>d2==false)
                {
                    alert('Please select a date to as early as today!');
                    return false;
                }
                else
                {
                    return true;
                }
            }
        }