Something

<html>
<head>
    <script language="javascript">
function new1(form)
{
   //Set the variables
   var NationalBase = document.getElementById("txtNationalBase1").value;
   var AgreedTotalFee = document.getElementById("txtTotalAgreeFee").value;
   var Cand = document.getElementById("txtCand").value;
   var LecHours = document.getElementById("txtLecHours").value;
   var IndivFee = document.getElementById("txtIndivFee").value;
   
   //Work out course costing informations
   
   var StaffCost = parseInt(LecHours) * 60;
   var LScInc = parseInt(NationalBase) * parseInt(Cand);
   var IndivFeeTotal = parseInt(IndivFee) * parseInt(Cand);
   var TravelCost = document.getElementById("txtTravelCost").value;
   var FacCost = document.getElementById("txtFacCost").value;
   var OtherCosts = document.getElementById("txtOtherCosts").value;
   
   document.getElementById("txtTutFeeInc").value = AgreedTotalFee;
   document.getElementById("txtStaffCost").value = StaffCost;
   document.getElementById("txtLSCFundingInc").value = LScInc;
   
   
   
   //Work out balances   
   
     
if( document.getElementById("chkFunded").checked ) {
    if( AgreedTotalFee == 0 ) {
        if( parseInt(LScInc) < parseInt(AgreedTotalFee) ) {
            document.getElementById("lblTutError").innerText="LSc income is not available where Tution fee is greater than the national base rate claimed";
            document.getElementById("txtLSCFundingInc").value = 0;
            document.getElementById("txtBalance").value = parseInt(AgreedTotalFee) - parseInt(StaffCost) - parseInt(TravelCost) - parseInt(FacCost) - parseInt(OtherCosts);
        }else if( (parseInt(LScInc) * 0.95) < parseInt(AgreedTotalFee) ){
            document.getElementById("lblTutError").innerText="This course is approaching full cost (not funded), consider reducing Agreed Total fee slightly";
            document.getElementById("txtBalance").value = parseInt(LScInc) + parseInt(AgreedTotalFee) - parseInt(StaffCost) - parseInt(TravelCost) - parseInt(FacCost) - parseInt(OtherCosts);
        }else {
            document.getElementById("lblTutError").innerText="";
            document.getElementById("txtBalance").value = parseInt(LScInc) + parseInt(AgreedTotalFee) - parseInt(StaffCost) - parseInt(TravelCost) - parseInt(FacCost) - parseInt(OtherCosts);
        }
    }else if (IndivFeeTotal == 0 ) {
        if( parseInt(LScInc) < parseInt(IndivFeeTotal) ) {
            document.getElementById("lblTutError").innerText="LSc income is not available where Tution fee is greater than the national base rate claimed";
            document.getElementById("txtLSCFundingInc").value = 0;
            document.getElementById("txtBalance").value = parseInt(IndivFeeTotal) - parseInt(StaffCost) - parseInt(TravelCost) - parseInt(FacCost) - parseInt(OtherCosts);
        }else if( (parseInt(LScInc) * 0.95) < parseInt(IndivFeeTotal) ){
            document.getElementById("lblTutError").innerText="This course is approaching full cost (not funded), consider reducing Agreed Total fee slightly";
            document.getElementById("txtBalance").value = parseInt(LScInc) + parseInt(IndivFeeTotal) - parseInt(StaffCost) - parseInt(TravelCost) - parseInt(FacCost) - parseInt(OtherCosts);
        }else {
            document.getElementById("lblTutError").innerText="";
            document.getElementById("txtBalance").value = parseInt(LScInc) + parseInt(IndivFeeTotal) - parseInt(StaffCost) - parseInt(TravelCost) - parseInt(FacCost) - parseInt(OtherCosts);
        }
    }
}
</script>