function addRow(id){
    i = document.getElementById("keyCount").getAttribute("value")
    i++
    var tbody = document.getElementById
    (id).getElementsByTagName("tbody")[0]
    var row = document.createElement("tr")
    var td1 = document.createElement("td")
    var td2 = document.createElement("td")
    var td3 = document.createElement("td")
    var td4 = document.createElement("td")
    var txtUserID = document.createElement("input")
    var txtAPIKey = document.createElement("input")
    txtUserID.setAttribute("name", "txtUserID" . i)
    txtUserID.setAttribute("onkeyup", "formValidate(this)")
    txtAPIKey.setAttribute("name", "txtAPIKey" . i)
    txtAPIKey.setAttribute("onkeyup", "formValidate(this)")
    td2.setAttribute("class", "valid")
    td4.setAttribute("class", "valid")
    td1.appendChild (txtUserID)
    td3.appendChild (txtAPIKey)
    row.appendChild(td1)
    row.appendChild(td2)
    row.appendChild(td3)
    row.appendChild(td4)
    tbody.appendChild(row)
    document.getElementById("keyCount").setAttribute("value", i)
}