i am using Asp.Net Grid View Control having Template Field Columns. Which have Asp.Net Literal,TextBox and CheckBox Controls. I want to add each row Received Amount value when checkbox is Checked in each row. Below is my GridView.

I have accessed the Received Amount columns by JavaScript, but it gives me the whole Textbox in Alert

I want to get Value of that Textbox having Id=txtFeeRecAmount, not whole Control..
Below is my Script..
<script type="text/javascript">
function AddAmount(lnk) {
var row = lnk.parentNode.parentNode;
var rowIndex = row.rowIndex;
alert(rowIndex);
var amount = row.cells[2].innerHTML;
alert(amount);
}
</script>
Any Help, I want to get Value of Received Amount Column, when the CheckBox is checked.