>I was hoping that adding a focus on the button prior to clicking will solve my problem, but it seems not :(
>
>Here is my current code:
>
>

>if (lnKey==13)
>   {
>	  var btn = document.getElementById("btnRemoveOverdue");
>	  if (btn)
>	  {
>		btn.focus();
>		btn.click();
>	  }

>
>What exactly do you suggest in order to get that btnRemove inside the post string?

You need to update the Form tag Action attribute to add any query string you need to be posted.

So, if enter key is pressed, when that function is called, simply do something like:

document.getElementById("MyForm").action=document.getElementById("MyForm").action+"MyQueryString"