// setPointer er lånt fra mysqladmin, men mindre/større forandringer i koden er gjort.
function setPointer(theRow, theAction, theDefaultColor, thePointerColor) {
    var theCells = null;
    if ((thePointerColor == '') || 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.indexOf("rgb") >= 0) 
    {
        var rgbStr = currentColor.slice(currentColor.indexOf('(') + 1,
                                     currentColor.indexOf(')'));
        var rgbValues = rgbStr.split(",");
        currentColor = "#";
        var hexChars = "0123456789ABCDEF";
        for (var i = 0; i < 3; i++)
        {
            var v = rgbValues[i].valueOf();
            currentColor += hexChars.charAt(v/16) + hexChars.charAt(v%16);
        }
    }
    if (currentColor == ''
        || currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {
        if (theAction == 'over') {
            newColor              = thePointerColor;
        }
    }
    else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()) {
        if (theAction == 'out') {
            newColor              = theDefaultColor;
        }
    }
    if (typeof(newColor) != 'undefined') {
        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;
}
