function selectNAICS(url) {

    var newWindow;

    // Find left and top coordinates to center window
    if (navigator.appVersion.indexOf("MSIE") > -1 || (navigator.appName == "Netscape" && parseInt(navigator.appVersion.charAt(0)) >= 4)) {
        var h = (screen.availHeight - 680) / 2;
        var w = (screen.availWidth - 635) / 2;
        var center = ",top=" + h + ",left=" + w;
    }

    if (!newWindow || newWindow.closed) {
        newWindow = window.open(url, "newNaicsWindow", "resizable=yes,scrollbars=yes,toolbar=no,location=no,directories=no,status=yes,menubar=no,height=680,width=635" + center)
        if (!newWindow.opener) {
            newWindow.opener = window
        }
    }
    else {
        newWindow = window.open(url, "newNaicsWindow", "resizable=yes,scrollbars=yes,toolbar=no,location=no,directories=no,status=yes,menubar=no,height=680,width=635" + center)
        if (!newWindow.opener) {
            newWindow.opener = window
        }
        // window's already open; bring to front
        newWindow.focus()
    }
}