mse = 0;th = 0;function Calculate(){tf=document.c_ti;Tt = parseFloat(tf.B12.value) / parseFloat(tf.B0.value);tst = parseFloat(tf.B2.value) * parseFloat(tf.B1.value);tsts = parseFloat(tst) * parseFloat(Tt);tf.B15.value = tsts * 250;Pt = parseFloat(tf.B2.value) * parseFloat(tf.B4.value);pcy = parseFloat(Pt) * parseFloat(tf.B1.value);tf.B16.value = pcy * 250;ust = parseFloat(tf.B16.value) + parseFloat(tf.B15.value);tf.BR.value = ust;Dts = parseFloat(tf.B1.value) * parseFloat(tf.B3.value);tf.B5.value = Dts;Dts_tts = Dts * 250;hours_tts = Dts_tts / 60;tf.su.value = hours_tts;tf.B6.value = ST(tf.su.value);SUV = parseFloat(tf.B6.value) * parseFloat(tf.B4.value);tf.su.value = SUV;tf.B7.value = ST(tf.su.value);tf.B8.value = parseInt(tf.B1.value);Fs = parseInt(tf.B8.value) * 250;ft_hours_tts = Fs / 60;tf.su.value = ft_hours_tts;tf.B9.value = ST(tf.su.value);Ms = parseFloat(tf.B9.value) * parseFloat(tf.B4.value);tf.su.value = Ms;tf.B10.value = ST(tf.su.value);Sy = parseFloat(tf.B7.value) - parseFloat(tf.B10.value);tf.su.value = Sy;tf.B11.value = ST(tf.su.value);mse = parseFloat(tf.BR.value) / 12;th = parseFloat(tf.B11.value) / 12;tf.su.value = th;tf.gx.value = mse;mse = ST(tf.gx.value);th = ST(tf.su.value);document.c_one.BR1.value = mse;document.c_one.BR2.value = "";document.c_one.B13.value = th;document.c_one.B14.value = "";}function ST(iV){var decimal = ".";var pos;var tc;var su1;var su2;var su3;var round;pos = iV.indexOf(decimal);if (pos <= -1){ tc = iV
 return tc; }else tc = iV.substring(0, 1);for (var i = 1; i <= pos; i++)tc += iV.substring(i, i+1);su1 = iV.substring(i, i+1);su2 = iV.substring(++i, i+1);su3 = iV.substring(++i, i+1);if (parseInt(su3) >= 5){round = parseInt(su2);round++;tc += su1;tc += round;}else{tc += su1;tc += su2;}
return tc;}function St(){B14 = 0;tf = document.c_one; if (th == false) {alert("Please complete the top part first!"); return; }tf.B13.value = th;tf.BR1.value = mse;Ph = parseFloat(th) - 24.95;ser = parseFloat(mse) - 24.95;tf.su.value = ser;tf.BR2.value = ST(tf.su.value);tf.su.value = Ph;tf.B14.value = ST(tf.su.value);
}function validate(iV, whereTo){var tc = "";var Ft = true;valid="01234567890.";if (iV != ""){for (var i = 0; i < iV.length; i++){var cM=(iV.substring(i,i+1))
if (valid.indexOf(cM) >= 0){if (Ft){tc = cM; Ft = false; } else tc += cM; }}}whereTo.value = tc;}function doReset() {c_one.B14.value="";c_one.B13.value="";c_one.BR1.value="";c_one.BR2.value="";}