 <!-- BEGIN HIDING FROM OLD BROWSERS
 function checkNumber(input,calcform)
 {
 if(input.value=='')
         {
                 input.value=input.defaultValue}
                 status=''
                 msg ="This field requires numeric data: " + input.value;
                 var str = input.value;
                                 if (str.indexOf(",") > 0 )
                                 {
                                 // COMMAS ARE NOT ALLOWED
                                 var str2 = str.substring(0,(str.indexOf(","))) + str.substring((str.indexOf(",")+1), str.length);
                                 input.value= str2;
                                 }
                 str = input.value;
                 for (var i = 0; i < str.length; i++)    
                 {
                                 var ch = str.substring(i, i + 1)
                                 if ((ch < "0" || "9" < ch) && ( ch != '.')  && (ch != '-')) {
                                 input.focus()
                                 input.value=input.defaultValue;
                                 input.select()
                                 status=msg;
                                 } 
         }
         add_input(calcform)
  }
 
 function add_input(calcform)
 {    var total1,total2,total3,total4,total5,total6;
 
 
         if (calcform.interest_rate.value == 0) {calcform.interest_rate.value=9}
         if (calcform.no_of_payments.value == 0) {calcform.no_of_payments.value=1}
 
         total1=((calcform.cost1.value*1)+(calcform.destination.value*1))              
 
         total2=(total1*1-calcform.trade_in.value*1)
         if (total2 < 0) { total2=0 }
 
         total3=((total2*(calcform.sales_tax.value*'.01'))+total2*1)
         if (total3 < 0) { total3=0 }
 //      calcform.sub_total_cost.value=((total3*1))
 
         total4=(total3*1-calcform.incentives.value*1)
         if (total4 < 0) { total4=0 }
 
         total5=(total4*1-calcform.down_payment.value*1)
         total6=(total5*1)
         if (total6 < 0) { total6=0 }
 
         calcform.total_cost.value=(Math.round((total6*1) * 100) * .01)
         compute_payments(calcform)
 }
 
 function compute_payments(calcform)
 {
     var i = calcform.interest_rate.value;
     if (i > 1.0) {
         i = i / 100.0;
         }
     i /= 12;
     var pow = 1;
     for (var j = 0; j < calcform.no_of_payments.value; j++)
         pow = pow * (1 + i);
     calcform.monthly_payments.value =(Math.round( (calcform.total_cost.value * pow * i) / (pow - 1) * 100)*.01)
 }
 function selectField(field)
 {
         field.select()
 }
 function clearForm(calcform)
 {
         calcform.cost1.value = "0"
         calcform.destination.value="0"
         calcform.trade_in.value="0"
         calcform.incentives.value = "0"
         calcform.down_payment.value = "0"
 //      calcform.sub_total_cost.value="0"
         calcform.total_cost.value="0"
         calcform.interest_rate.value="9"
         calcform.no_of_payments.value="60"
 
         calcform.monthly_payments.value="0"
 }
 // END HIDING -->