function mandatoryFieldHelper(formName,fieldNames,holderFieldName){
eval('document.'+formName+'.'+holderFieldName).value='SET';
for (var ctr=0;ctr<fieldNames.length;ctr++){
if(eval('document.'+formName+'.'+fieldNames[ctr]).value==''){
eval('document.'+formName+'.'+holderFieldName).value='';
return
}
}
}