Javascript Function!!

Hi Guys...I do not have very good knowledge in Javascript...So please help me out to write a right function...

Code:

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protected void txtEstimatedContractTotal_TextChanged(object sender, EventArgs e)
        {
           
            if (m_bChangeOccuring)
                return;
            m_bChangeOccuring = true;
            double dPercent = 0;
            try
            {
                dPercent = Convert.ToDouble(txtPercentage.Text);
                txtEstimatedCommission.Text = Convert.ToString(Convert.ToDouble(txtEstimatedContractTotal.Text) * dPercent);
                txtBalance.Text = Convert.ToString(Convert.ToDouble(txtFinalContractTotal.Text) - Convert.ToDouble(txtDepositReceived.Text) - Convert.ToDouble(txtBalanceReceived.Text));
            }
            catch (Exception ex)
            {
            }
            m_bChangeOccuring = false;
        }

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This is the function which I have written in C# in .cs file...I wanna write the same function in Javascript....so please help me to write this function in Javascript..

[ redirected thread ]

The text changing event you will have to trigger on the actual text inputs. But, the code below should produce the same results.

Code:

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function txtEstimatedContractTotal() {
  if (m_bChangeOccuring) {return;}
  m_bChangeOccuring = true;
  double dPercent = 0;

  // you will have to make sure that the following elements have IDs
  txtPercentage = document.getElementById('txtPercentage');
  txtEstimatedCommission = document.getElementById('txtEstimatedCommission');
  txtEstimatedContractTotal = document.getElementById('txtEstimatedContractTotal');
  txtBalance = document.getElementById('txtBalance');
  txtDepositReceived = document.getElementById('txtDepositReceived');
  txtBalanceReceived = document.getElementById('txtBalanceReceived');

  try {
    dPercent = txtPercentage.value;
    txtEstimatedCommission.value = txtEstimatedContractTotal.value * dPercent;
    txtBalance = txtFinalContractTotal.value - txtDepositReceived.value - txtBalanceReceived.value;
  }
  catch (e) {}

  m_bChangeOccuring = false;
}

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Thanks Peej :)