function checkmandatory(){var flag = true;
var message = 'Please fill in all mandatory fields ! \n';
if (document.checkFRM.Full_Name.value.length==0){flag = false;};
if (document.checkFRM.email.value.length==0){flag = false;};
if (document.checkFRM.Number_of_Nights.value.length==0){flag = false;};
if (document.checkFRM.Number_of_Guests.value.length==0){flag = false;};
if (flag == false) {alert(message);};
return flag;};