function recalc_pmt(form)

        {

           var amt = eval(form.amount_1.value);

           var ir = eval(form.intrate_1.value);

           var ty = eval(form.termy_1.value);



           if (   amt > 0

               && ir > 0

               && ty > 0)

           {

             form.payment_1.value =  

                Math.round(100*amt/((1 - 1/Math.pow((1+ir/1200), 12*ty))/(ir/1200)))/100;

           }

        }



        function clear_pmt(form)

        {

             form.payment_1.value = "";        

             form.intrate_1.value = "";        

             form.termy_1.value = "";        

             form.amount_1.value = "";        

        }



        function recalc_amt(form)

        {

           var pmt = eval(form.payment_2.value);

           var ir = eval(form.intrate_2.value);

           var ty = eval(form.termy_2.value);



           if (   pmt > 0

               && ir > 0

               && ty > 0)

           {

             form.amount_2.value =  

                Math.round(100*pmt*((1 - 1/Math.pow((1+ir/1200), 12*ty))/(ir/1200)))/100;

           }

        }



        function clear_amt(form)

        {

             form.payment_2.value = "";        

             form.intrate_2.value = "";        

             form.termy_2.value = "";        

             form.amount_2.value = "";        

        }



        function start(element_id)

        {

          //form_name = element_id;

        }