//------------------------------------------------------------------------------------
// 1st parameter array with names of fields for check
// 2nd parameter is string "All" or "One" ...determine all or one must be not null ...
//------------------------------------------------------------------------------------
function MyCheckValueToNull(aFieldsNames,OneOrAll)
{
var All_IsNotNull = 1;
var One_IsNotNull = 0;
for (i = 0; i < aFieldsNames.length; i++) {
if(getField(aFieldsNames[i]).value === ""){
All_IsNotNull = 0;
}else{
One_IsNotNull = 1;
}
}
if(OneOrAll == "One"){
return One_IsNotNull;
}else if(OneOrAll == "All"){
return All_IsNotNull;
}else{
return null;
}
}
//----------------------------
//--- sample how to use ------
var aFieldsNames = [
"numQty",
"numCost",
"numDiscount"
];
var lCheck = MyCheckValueToNull(aFieldsNames,"All");
if(lCheck == 1){
event.value = getField(aFieldsNames[0]).value*getField(aFieldsNames[1]).value - (getField(aFieldsNames[0]).value*getField(aFieldsNames[1]).value /100 * getField(aFieldsNames[2]).value);
}else{
event.value = "";
}