function isIe() {  // rudi
    return navigator.appName.indexOf("Microsoft") > -1;
}

function MM_preloadImages() { //v3.0
    var d = document;
    if (d.images) {
        if (!d.MM_p) d.MM_p = new Array();
        var i,j = d.MM_p.length,a = MM_preloadImages.arguments;
        for (i = 0; i < a.length; i++)
            if (a[i].indexOf("#") != 0) {
                d.MM_p[j] = new Image;
                d.MM_p[j++].src = a[i];
            }
    }
}

function MM_swapImgRestore() { //v3.0
    var i,x,a = document.MM_sr;
    for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) x.src = x.oSrc;
}

function MM_findObj(n, d) { //v4.01
    var p,i,x;
    if (!d) d = document;
    if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
        d = parent.frames[n.substring(p + 1)].document;
        n = n.substring(0, p);
    }
    if (!(x = d[n]) && d.all) x = d.all[n];
    for (i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
    for (i = 0; !x && d.layers && i < d.layers.length; i++) x = MM_findObj(n, d.layers[i].document);
    if (!x && d.getElementById) x = d.getElementById(n);
    return x;
}

function MM_swapImage() { //v3.0
    var i,j = 0,x,a = MM_swapImage.arguments;
    document.MM_sr = new Array;
    for (i = 0; i < (a.length - 2); i += 3)
        if ((x = MM_findObj(a[i])) != null) {
            document.MM_sr[j++] = x;
            if (!x.oSrc) x.oSrc = x.src;
            x.src = a[i + 2];
        }
}

/* This function is used to change the style class of an element */
function swapClass(obj, newStyle) {
    obj.className = newStyle;
}

function isUndefined(value) {
    var undef;
    return value == undef;
}

/* Function for showing and hiding elements that use 'display:none' to hide */
function toggleDisplay(targetId)
{
    if (document.getElementById) {
        target = document.getElementById(targetId);
        if (target.style.display == "none") {
            target.style.display = "";
        } else {
            target.style.display = "none";
        }
    }
}

// toggle visibility 
function toggleVisibility(targetId) {
    if (document.getElementById) {
        target = document.getElementById(targetId);
        if (target.style.visibility == "hidden") {
            target.style.visibility = "visible";
        } else {
            target.style.visibility = "hidden";
        }
    }
}

function checkAll(theForm) { // check all the checkboxes in the list
    for (var i = 0; i < theForm.elements.length; i++) {
        var e = theForm.elements[i];
        var eName = e.name;
        if (eName != 'allbox' &&
            (e.type.indexOf("checkbox") == 0)) {
            e.checked = theForm.allbox.checked;
        }
    }
}

/* Function to clear a form of all it's values */
function clearForm(frmObj) {
    for (var i = 0; i < frmObj.length; i++) {
        var element = frmObj.elements[i];
        if (!Element.hasClassName(element, 'nonFormElement')) {
            if (element.type.indexOf("text") == 0 ||
                element.type.indexOf("password") == 0) {
                element.value = "";
            } else if (element.type.indexOf("radio") == 0) {
                element.checked = false;
            } else if (element.type.indexOf("checkbox") == 0) {
                element.checked = false;
            } else if (element.type.indexOf("select") == 0) {
                for (var j = 0; j < element.length; j++) {
                    element.options[j].selected = false;
                }
                element.options[0].selected = true;
            } else if (element.type == "combo") { //added by Shirly, 28 July 2006
                element.value = "";
            }
        }
    }
}

/* Function to get a form's values in a string */
function getFormAsString(frmObj) {
    var query = "";
    for (var i = 0; i < frmObj.length; i++) {
        var element = frmObj.elements[i];
        if (element.type.indexOf("checkbox") == 0 ||
            element.type.indexOf("radio") == 0) {
            if (element.checked) {
                query += element.name + '=' + escape(element.value) + "&";
            }
        } else if (element.type.indexOf("select") == 0) {
            for (var j = 0; j < element.length; j++) {
                if (element.options[j].selected) {
                    query += element.name + '=' + escape(element.value) + "&";
                }
            }
        } else {
            query += element.name + '='
                    + escape(element.value) + "&";
        }
    }
    return query;
}

/* Function to hide form elements that show through
   the search form when it is visible */
function toggleForm(frmObj, iState) // 1 visible, 0 hidden 
{
    for (var i = 0; i < frmObj.length; i++) {
        if (frmObj.elements[i].type.indexOf("select") == 0 || frmObj.elements[i].type.indexOf("checkbox") == 0) {
            frmObj.elements[i].style.visibility = iState ? "visible" : "hidden";
        }
    }
}

/* Helper function for re-ordering options in a select */
function opt(txt, val, sel) {
    this.txt = txt;
    this.val = val;
    this.sel = sel;
}

/* Function for re-ordering <option>'s in a <select> */
function move(list, to) {
    var total = list.options.length;
    index = list.selectedIndex;
    if (index == -1) return false;
    if (to == +1 && index == total - 1) return false;
    if (to == -1 && index == 0) return false;
    to = index + to;
    var opts = new Array();
    for (i = 0; i < total; i++) {
        opts[i] = new opt(list.options[i].text, list.options[i].value, list.options[i].selected);
    }
    tempOpt = opts[to];
    opts[to] = opts[index];
    opts[index] = tempOpt
    list.options.length = 0;
    // clear

    for (i = 0; i < opts.length; i++) {
        list.options[i] = new Option(opts[i].txt, opts[i].val);
        list.options[i].selected = opts[i].sel;
    }

    list.focus();
}

/*  This function is to select all options in a multi-valued <select> */
function selectAll(elementId) {
    var element = document.getElementById(elementId);
    len = element.length;
    if (len != 0) {
        for (i = 0; i < len; i++) {
            element.options[i].selected = true;
        }
    }
}

/* This function is used to select a checkbox by passing
 * in the checkbox id
 */
function toggleChoice(elementId) {
    var element = document.getElementById(elementId);
    if (element.checked) {
        element.checked = false;
    } else {
        element.checked = true;
    }
}

/* This function is used to select a radio button by passing
 * in the radio button id and index you want to select
 */
function toggleRadio(elementId, index) {
    var element = document.getElementsByName(elementId)[index];
    element.checked = true;
}


/* This function is used to open a pop-up window */
function openWindow(url, winTitle, winParams) {
    winName = window.open(url, winTitle, winParams);
    winName.focus();
}


/* This function is to open search results in a pop-up window */
function openSearch(url, winTitle) {
    var screenWidth = parseInt(screen.availWidth);
    var screenHeight = parseInt(screen.availHeight);

    var winParams = "width=" + screenWidth + ",height=" + screenHeight;
    winParams += ",left=0,top=0,toolbar,scrollbars,resizable,status=yes";

    openWindow(url, winTitle, winParams);
}

/* This function is used to set cookies */
function setCookie(name, value, expires, path, domain, secure) {
    document.cookie = name + "=" + escape(value) +
                      ((expires) ? "; expires=" + expires.toGMTString() : "") +
                      ((path) ? "; path=" + path : "") +
                      ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "");
}

/* This function is used to get cookies */
function getCookie(name) {
    var prefix = name + "="
    var start = document.cookie.indexOf(prefix)

    if (start == -1) {
        return null;
    }

    var end = document.cookie.indexOf(";", start + prefix.length)
    if (end == -1) {
        end = document.cookie.length;
    }

    var value = document.cookie.substring(start + prefix.length, end)
    return unescape(value);
}

/* This function is used to delete cookies */
function deleteCookie(name, path, domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" +
                          ((path) ? "; path=" + path : "") +
                          ((domain) ? "; domain=" + domain : "") +
                          "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

// This function is for stripping leading and trailing spaces
/**
 * @deprecated by me.. Rudi.. please use the notorious, included Prototype JS library. 
 */
function trim(str) {
    if (str != null) {
        var i;
        for (i = 0; i < str.length; i++) {
            if (str.charAt(i) != " ") {
                str = str.substring(i, str.length);
                break;
            }
        }

        for (i = str.length - 1; i >= 0; i--) {
            if (str.charAt(i) != " ") {
                str = str.substring(0, i + 1);
                break;
            }
        }

        if (str.charAt(0) == " ") {
            return "";
        } else {
            return str;
        }
    }
}

// This function is used by the login screen to validate user/pass
// are entered. 
function validateRequired(form) {
    var bValid = true;
    var focusField = null;
    var i = 0;
    var fields = new Array();
    oRequired = new required();

    for (x in oRequired) {
        if ((form[oRequired[x][0]].type == 'text' || form[oRequired[x][0]].type == 'textarea' || form[oRequired[x][0]].type == 'select-one' || form[oRequired[x][0]].type == 'radio' || form[oRequired[x][0]].type == 'password') && form[oRequired[x][0]].value == '') {
            if (i == 0)
                focusField = form[oRequired[x][0]];

            fields[i++] = oRequired[x][1];

            bValid = false;
        }
    }

    if (fields.length > 0) {
        focusField.focus();
        alert(fields.join('\n'));
    }

    return bValid;
}

// This function is a generic function to create form elements
function createFormElement(element, type, name, id, value, parent) {
    var e = document.createElement(element);
    e.setAttribute("name", name);
    e.setAttribute("type", type);
    e.setAttribute("id", id);
    e.setAttribute("value", value);
    parent.appendChild(e);
}

function confirmDelete(obj) {
    var msg = "Are you sure you want to delete this " + obj + "?";
    ans = confirm(msg);
    if (ans) {
        return true;
    } else {
        return false;
    }
}

function confirmSave(obj) {
    var msg = "Are you sure you want to save this " + obj + "?";
    ans = confirm(msg);
    if (ans) {
        return true;
    } else {
        return false;
    }
}
function highlightTableRows(tableId) {
    var previousClass = null;
    var table = document.getElementById(tableId);
    var tbody = table.getElementsByTagName("tbody")[0];
    if (tbody == null) {
        var rows = table.getElementsByTagName("tr");
    } else {
        var rows = tbody.getElementsByTagName("tr");
    }
    // add event handlers so rows light up and are clickable
    for (i = 0; i < rows.length; i++) {
        rows[i].onmouseover = function() {
            previousClass = this.className;
            this.className += ' over'
        };
        rows[i].onmouseout = function() {
            this.className = previousClass
        };
        rows[i].onclick = function() {
            var cell = this.getElementsByTagName("td")[0];
            var link = cell.getElementsByTagName("a")[0];
            location.href = link.getAttribute("href");
            this.style.cursor = "wait";
        }
    }
}

function highlightFormElements() {
    // add input box highlighting 
    addFocusHandlers(document.getElementsByTagName("input"));
    addFocusHandlers(document.getElementsByTagName("textarea"));
}

function addFocusHandlers(elements) {
    for (i = 0; i < elements.length; i++) {
        if (elements[i].type != "button" && elements[i].type != "submit" &&
            elements[i].type != "reset" && elements[i].type != "checkbox" && elements[i].type != "radio") {
            if (elements[i].getAttribute('readonly') != "readonly" && elements[i].getAttribute('readonly') != "disabled") {
                elements[i].onfocus = function() {
                    this.className = 'focus';
                    this.select()
                };
                // remark for enabling onblur event
                //                elements[i].onblur=function() {this.className=''};
            }
        }
    }
}

function radio(clicked) {
    var form = clicked.form;
    var checkboxes = form.elements[clicked.name];
    if (!clicked.checked || !checkboxes.length) {
        clicked.parentNode.parentNode.className = "";
        return false;
    }

    for (i = 0; i < checkboxes.length; i++) {
        if (checkboxes[i] != clicked) {
            checkboxes[i].checked = false;
            checkboxes[i].parentNode.parentNode.className = "";
        }
    }

    // highlight the row    
    clicked.parentNode.parentNode.className = "over";
}

window.onload = function() {
    highlightFormElements();
    if ($('successMessages')) {
        new Effect.Highlight('successMessages');
        // causes webtest exception on OS X : http://lists.canoo.com/pipermail/webtest/2006q1/005214.html
        // window.setTimeout("Effect.DropOut('successMessages')", 3000);
    }
    if ($('errorMessages')) {
        new Effect.Highlight('errorMessages');
    }
}

// Show the document's title on the status bar
window.defaultStatus = document.title;


function highlightErrorField(errClass, fieldAffix)
{
    var errSpan = document.getElementsByClassName(errClass, document.body);
    if (errSpan != null && errSpan.length)
    {
        for (i = 0; i < errSpan.length; i++)
        {
            var spanObj = errSpan[i];
            if (spanObj.innerHTML.replace(/^\s/, "").replace(/\s$/, "") != "")
            {
                var errIdx = spanObj.id.indexOf(fieldAffix);
                if (errIdx != -1)
                {
                    var fieldObj = document.getElementById(spanObj.id.substring(0, errIdx))
                    fieldObj.focus();
                    break;
                }
            }
        }

    }
    else if (errSpan != null && errSpan.length == null)
    {
        errSpan.focus();
    }
}

/**
 * Generate random string.
 * @author rudi
 */
function randomString() {
    var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
    var string_length = 16;
    var randomstring = '';
    for (var i = 0; i < string_length; i++) {
        var rnum = Math.floor(Math.random() * chars.length);
        randomstring += chars.substring(rnum, rnum + 1);
    }
    return randomstring;
}

var __focusMe = function() {
    this.focus();
    if (!isIe()) { // hack for Moz, to handle focus() correctly when triggered inside onblur() sequence
        fid = this.id;
        setTimeout("document.getElementById(fid).focus();", 1);
        setTimeout("document.getElementById(fid).select();", 1);
    }
}

/**
 * Object wrapper for a money text field.
 * @author rudi
 */
function MoneyField(theField, maxdgt)
{
    var field = $(theField);
    field.construct = this.construct;
    field.onfocus = this.unformat;
    field.onblur = this.format;
    field.focusMe = __focusMe;
    field.maxdigit = maxdgt;//==null ? maxdgt : field.maxLength.value;
    field.maxLength = 64; // expect that no one will fill more than 64 char
    field.construct();
}
MoneyField.prototype.construct = function() {

}
MoneyField.prototype.format = function() {
    if (this.value.strip() != "")
    {
        var strMoney = this.value.replace(/,/g, "");
        if (!isNaN(strMoney))
        {
            var objMoney = new NumberFormat(strMoney);
            var unformatted = objMoney.toUnformatted();
            if (unformatted.toString().length > this.maxdigit) {
                window.alert("Maximum digit ("+this.maxdigit+") exceeded.");
                this.focusMe();
            } else {
                this.value = objMoney.toFormatted();
            }
        } else {
            window.alert("Not a correct number format.");
            this.focusMe();
        }
    }
}
MoneyField.prototype.unformat = function() {
    this.value = this.value.replace(/,/g, "");
}

/**
 * Object wrapper for integer text field.
 */
function IntegerField(theField,maxdgt) {
    theField = $(theField);
    theField.construct = this.construct;
    theField.onblur = this.validate;
    theField.focusMe = __focusMe;
    theField.maxdigit = maxdgt;
    theField.construct();
}
IntegerField.prototype.construct = function() {

}
IntegerField.prototype.validate = function() {
    this.value = this.value.strip();
    if(isNaN(this.value)) {
        window.alert("Not a valid number format.");
        this.focusMe();
    }else if(this.value.strip().length > this.maxdigit) {
        window.alert("Value exceeded max length.");
        this.focusMe();
    }
}

/**
 * (Very) simple date arithmatics.
 * @author Rudi
 */
var SECONDS_CF     = 1000;
var MINUTES_CF     = 60000;          // 60 * 1000
var HOURS_CF       = 3600000;        // 60 * 60 * 1000
var DAYS_CF        = 86400000;       // 24 * 60 * 60 * 1000
var WEEKS_CF       = 604800000;      // 7 * 24 * 60 * 60 * 1000
var FORTNIGHTS_CF  = 1209600000;     // 14 * 24 * 60 * 60 * 1000
var MONTHS_CF      = 2592000000;     // 30 * 24 * 60 * 60 * 1000  (approx = 1 month)
var QUARTERS_CF    = 7776000000;     // 90 * 24 * 60 * 60 * 1000  (approx = 3 months)
var YEARS_CF       = 31557600000;    // 365 * 24 * 60 * 60 * 1000 (approx = 1 year)
var DECADES_CF     = 315576000000;   // 10 * 365 * 24 * 60 * 60 * 1000 (approx = 1 decade)
var CENTURIES_CF   = 3155760000000;  // 100 * 365 * 24 * 60 * 60 * 1000 (approx = 1 century)

// usage: calculateDate(date, MONTHS_CF, 3) --> add 3 months
function calcDate(date, field, amount) {
    var millis = Date.parse(date);
    millis += (field * amount);
    return new Date(millis);
}