
var	marked_row = new Array;
function setPointer(theRow,	theRowNum, 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()
			 &&	(typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])) {
		if (theAction == 'out')	{
			newColor			  =	theDefaultColor;
		}
		else if	(theAction == 'click' && theMarkColor != '') {
			newColor			  =	theMarkColor;
			marked_row[theRowNum] =	true;
		}
	}
	// 4.1.3 Current color is the marker one
	else if	(currentColor.toLowerCase()	== theMarkColor.toLowerCase()) {
		if (theAction == 'click') {
			newColor			  =	(thePointerColor !=	'')
								  ?	thePointerColor
								  :	theDefaultColor;
			marked_row[theRowNum] =	(typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])
								  ?	true
								  :	null;
		}
	} // 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
