// moveOptionsUp
//
// move the selected options up one location in the select list
//
function moveOptionsUp(selectId) {
    var selectList = document.getElementById(selectId);
    var selectOptions = selectList.getElementsByTagName('option');
    for (var i = 1; i < selectOptions.length; i++) {
        var opt = selectOptions[i];
        if (opt.selected) {
            selectList.removeChild(opt);
            selectList.insertBefore(opt, selectOptions[i - 1]);
        }
    }
}


// moveOptionsDown
//
// move the selected options down one location in the select list
//
function moveOptionsDown(selectId) {
    var selectList = document.getElementById(selectId);
    var selectOptions = selectList.getElementsByTagName('option');
    for (var i = selectOptions.length - 2; i >= 0; i--) {
        var opt = selectOptions[i];
        if (opt.selected) {
            var nextOpt = selectOptions[i + 1];
            opt = selectList.removeChild(opt);
            nextOpt = selectList.replaceChild(opt, nextOpt);
            selectList.insertBefore(nextOpt, opt);
        }
    }
}


function wopen(url, name, w, h) {
    // Fudge factors for window decoration space.
    // In my tests these work well on all platforms & browsers.
    w += 32;
    h += 96;
    wleft = (screen.width - w) / 2;
    wtop = (screen.height - h) / 2;
    // IE5 and other old browsers might allow a window that is
    // partially offscreen or wider than the screen. Fix that.
    // (Newer browsers fix this for us, but let's be thorough.)
    if (wleft < 0) {
        w = screen.width;
        wleft = 0;
    }
    if (wtop < 0) {
        h = screen.height;
        wtop = 0;
    }
    var win = window.open(url,
    name,
    'width=' + w + ', height=' + h + ', ' +
    'left=' + wleft + ', top=' + wtop + ', ' +
    'location=no, menubar=no, ' +
    'status=no, toolbar=no, scrollbars=yes, resizable=yes');
    // Just in case width and height are ignored
    window.moveTo(0, 0); 
    win.resizeTo(w, h);
    // Just in case left and top are ignored
   // win.moveTo(wleft, wtop);
    win.focus();
}

function trim(str, chars) {
    return ltrim(rtrim(str, chars), chars);
}

function ltrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}

function rtrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}