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

	// 1. Pointer and mark feature are disabled or the browser can't get the
	//    row -> exits
	if ((thePointerColor == '' && theMarkColor == '')
		|| typeof(theRow.style) == 'undefined') {
		return false;
	}

	// 2. Gets the current row and exits if the browser can't get it
	if (typeof(document.getElementsByTagName) != 'undefined') {
		theCells = theRow.getElementsByTagName('td');
	}
	else if (typeof(theRow.cells) != 'undefined') {
		theCells = theRow.cells;
	}
	else {
		return false;
	}

	// 3. Gets the current color...
	var rowCellsCnt  = theCells.length;
	var domDetect    = null;
	var currentColor = null;
	var newColor     = null;
	// 3.1 ... with DOM compatible browsers except Opera that does not return
	//         valid values with "getAttribute"
	if (typeof(window.opera) == 'undefined'
		&& typeof(theCells[0].getAttribute) != 'undefined') {
		currentColor = theCells[0].getAttribute('bgcolor');
		domDetect    = true;
	}
	// 3.2 ... with other browsers
	else {
		currentColor = theCells[0].style.backgroundColor;
		domDetect    = false;
	} // end 3

	// 4. Defines the new color
	// 4.1 Current color is the default one
	if (currentColor == ''
		|| currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {
		if (theAction == 'over' && thePointerColor != '') {
			newColor = thePointerColor;
		}
		else if (theAction == 'click' && theMarkColor != '') {
			newColor = theMarkColor;
		}
	}
	// 4.1.2 Current color is the pointer one
	else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()) {
		if (theAction == 'out') {
			newColor = theDefaultColor;
		}
		else if (theAction == 'click' && theMarkColor != '') {
			newColor = theMarkColor;
		}
	}
	// 4.1.3 Current color is the marker one
	else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {
		if (theAction == 'click') {
			newColor = (thePointerColor != '')
					 ? thePointerColor
					 : theDefaultColor;
		}
	} // end 4

	// 5. Sets the new color...
	if (newColor) {
		var c = null;
		// 5.1 ... with DOM compatible browsers except Opera
		if (domDetect) {
			for (c = 0; c < rowCellsCnt; c++) {
				theCells[c].setAttribute('bgcolor', newColor, 0);
			} // end for
		}
		// 5.2 ... with other browsers
		else {
			for (c = 0; c < rowCellsCnt; c++) {
				theCells[c].style.backgroundColor = newColor;
			}
		}
	} // end 5

	return true;
} // end of the 'setPointer()' function