function btnRemove_Click()
{
  var removalName = document.all.spanRemove.innerText;
		var headCells = tblResults.tHead.rows[0].cells;
		for (var i = 0; i <= headCells.length - 1; i++)
		{
		  if (headCells[i].innerText == removalName)
				{
						tblResults.tHead.rows[0].deleteCell(i);
						document.all.spanRemove.innerHTML = "";
						document.all.btnRemove.disabled = true;
				};
		};
};