function checkMandatory(){ var flag = true; var message = 'Please fill in all mandatory fields !'; if (document.checkFRM.field29.value.length==0){ flag = false; }; if (document.checkFRM.field30.value.length==0){ flag = false; }; if (document.checkFRM.field31.value.length==0){ flag = false; }; if (document.checkFRM.field32.value.length==0){ flag = false; }; if (document.checkFRM.field33.value.length==0){ flag = false; }; if (document.checkFRM.field34.value.length==0){ flag = false; }; if (document.checkFRM.field35.value.length==0){ flag = false; }; if (flag == false) { alert(message); }; return flag; };