How to use tab down on internet explorer?

Hi all,
I have a serious problem that i am not able to find a solution. I developing a macro that punch the data in internet explorer based on excel sheet. I am able to navigate to the URL, the one which i am not able to do is when i am punching data on internet explorer, i am not able to tab down through the cells in a table (here is the attached screen print)
Untitled.png
Please find the code below

Sub test()
Set ie = CreateObject("internetexplorer.application")
ie.Visible = True
ie.navigate "URL"
Do
DoEvents
Loop Until ie.readystate = readystate_complete
Application.Wait Now + TimeSerial(0, 0, 10)
ie.document.getElementById("ctl00_contentArea_txtEmailAddressForLogin").Value = "xxxx"
SendKeys "%{TAB}"
ie.document.getElementById("ctl00_contentArea_txtPassword").Value = "yyyy"
ie.document.all("ctl00_contentArea_butLogin").Click
Do
DoEvents
Loop Until ie.readystate = readystate_complete
Application.Wait Now + TimeSerial(0, 0, 10)
ie.navigate "https://secure.mercent.com/channels_categoryCPCManager.aspx"
Do
DoEvents
Loop Until ie.readystate = readystate_complete
Application.Wait Now + TimeSerial(0, 0, 10)
ie.document.getElementById("ctl00_contentArea_drpChannels").Value = "Pronto"
ie.document.getElementById("ctl00_contentArea_drpChannels").onchange
Do
DoEvents
Loop Until ie.readystate = readystate_complete
Application.Wait Now + TimeSerial(0, 0, 10)
ie.document.getElementById("ctl00_contentArea_txtKeywordFilter").Value = "Clothing & Accessories"
ie.document.all("mainButtonLink_ctl00_contentArea_btnKeywordSearch").Click
Do
DoEvents
Loop Until ie.readystate = readystate_complete
Application.Wait Now + TimeSerial(0, 0, 10)
lout = ie.document.DocumentElement.innerHTML
If InStr(1, lout, " categories were found.", 1) Then
wb = lout
End If
elTableCells = ie.document.getElementsByTagName("td")
Debug.Print elTableCells.innerHTML
ie.document.getElementById("ctl00_contentArea_drpRecordsPerPage").Value = 100
ie.document.getElementById("ctl00_contentArea_drpRecordsPerPage").onchange
Do
DoEvents
Loop Until ie.readystate = readystate_complete
Application.Wait Now + TimeSerial(0, 0, 10)
sResult = ie.document.body.innertext
priv = InStr(1, sResult, "Other")
sfinal = Mid(sResult, priv + 10, 3)
ie.document.getElementById("ctl00_contentArea_repCPCValues_ctl01_level0_ctrl0").Value = "0.01"----This is the line to punch the data, but it is punching only in one cell it is not looping though the all the cells on internet explorer.
Loop
End Sub

Pleaseeee help me....