function setPointer(theRow, theAction, theDefaultColor, thePointerColor, theMarkColor) {
    var theCells = null;

    if (    (thePointerColor == '' && theMarkColor == '')
         || typeof(theRow.style) == 'undefined')            {
        return false;
      }

    if (typeof(document.getElementsByTagName) != 'undefined') {
      theCells = theRow.getElementsByTagName('td');
      }
    else if (typeof(theRow.cells) != 'undefined') {
      theCells = theRow.cells;
      }
    else {
      return false;
      }

    var rowCellsCnt  = theCells.length;
    var domDetect    = null;
    var currentColor = null;
    var newColor     = null;

    if (typeof(window.opera) == 'undefined'
        && typeof(theCells[0].getAttribute) != 'undefined') {
      currentColor = theCells[0].getAttribute('bgcolor');
      domDetect    = true;
      }
    else {
      currentColor = theCells[0].style.backgroundColor;
      domDetect    = false;
      }

    if (currentColor == ''
        || currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {
      if (theAction == 'over' && thePointerColor != '') {
        newColor = thePointerColor;
        }
      else if (theAction == 'click' && theMarkColor != '') {
        newColor = theMarkColor;
        }
      }

    else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()) {
      if (theAction == 'out') {
        newColor = theDefaultColor;
        }
      else if (theAction == 'click' && theMarkColor != '') {
        newColor = theMarkColor;
        }
      }

    else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {
      if (theAction == 'click') {
        newColor = (thePointerColor != '') ? thePointerColor : theDefaultColor;
        }
      }

    if (newColor) {
      var c = null;
      if (domDetect) {
        for (c = 0; c < rowCellsCnt; c++) {
          theCells[c].setAttribute('bgcolor', newColor, 0);
          }
        }
      else {
        for (c = 0; c < rowCellsCnt; c++) {
          theCells[c].style.backgroundColor = newColor;
          }
        }
      }

    return true;
  }