function AddToTotal(dropdown) 
{
  var col = dropdown.parentNode.cellIndex;
  var thisRow = dropdown.parentNode.parentNode;
  var table = thisRow.parentNode;

  var price1 = table.rows[thisRow.rowIndex + 1].cells[0].children[0].innerHTML.replace('($','').replace(')', '') * 1;
  var price2 = table.rows[thisRow.rowIndex + 1].cells[1].children[0].innerHTML.replace('($','').replace(')', '') * 1;
  var price3 = table.rows[thisRow.rowIndex + 1].cells[2].children[0].innerHTML.replace('($','').replace(')', '') * 1;
  
  var qty1 = table.rows[thisRow.rowIndex].cells[2].children[0].value * 1;
  var qty2 = table.rows[thisRow.rowIndex].cells[3].children[0].value * 1;
  var qty3 = table.rows[thisRow.rowIndex].cells[4].children[0].value * 1;
  
  var total = price1 * qty1 + price2 * qty2 + price3 * qty3;
  
  thisRow.cells[5].children[0].innerHTML = currency + total;
}