function NewWindow(sURL, sWindowName, iWidth, iHeight, sScrollYesNo, sResizableYesNo) {
    var fLeftPosition, fTopPosition;
    var sSettings;

    fLeftPosition = (screen.width) ? (screen.width - iWidth) / 2 : 0;
    fTopPosition = (screen.height) ? (screen.height - iHeight) / 2 : 0;

    sSettings =
	'height=' + iHeight + ',width=' + iWidth + ',top=' + fTopPosition + ',left=' + fLeftPosition + ',scrollbars=' + sScrollYesNo + ',resizable=' + sResizableYesNo

    window.open(sURL, sWindowName, sSettings)
}

function ShowDiv(name) {
    var divOverlay = document.getElementById(name);
    if (divOverlay != null) divOverlay.style.display = 'block';
}

function getElement(name) {
    return document.getElementById(name);
}

function HideDiv(name) {
    var divOverlay = document.getElementById(name);
    if (divOverlay != null) divOverlay.style.display = 'none';
}

function NewWindow(sURL, sWindowName, iWidth, iHeight, sScrollYesNo, sResizableYesNo) {
    var fLeftPosition, fTopPosition;
    var sSettings;

    fLeftPosition = (screen.width) ? (screen.width - iWidth) / 2 : 0;
    fTopPosition = (screen.height) ? (screen.height - iHeight) / 2 : 0;

    sSettings =
	'height=' + iHeight + ',width=' + iWidth + ',top=' + fTopPosition + ',left=' + fLeftPosition + ',scrollbars=' + sScrollYesNo + ',resizable=' + sResizableYesNo

    window.open(sURL, sWindowName, sSettings)
}

function isCurrency(Field) {

    strValue = Field.value;

    regexp = /^(([0-9]{1,3}(\,[0-9]{3})*)|([0-9]{0,3}))(\.[0-9]{2})?$/

    if (isEmpty(strValue)) {
        return false;
    }
    return regexp.test(strValue);
}

function isFloat(Field) {

    strValue = Field.value;

    regexp = /^(\+|\-)?([0-9]+)(((\.|\,)?([0-9]+))?)$/

    if (isEmpty(strValue)) {
        return false;
    }
    return regexp.test(strValue);
}

function isInteger(Field) {
    strValue = getValue(Field);

    regexp = /^(\+|\-)?([0-9]+)$/
    if (isEmpty(strValue)) {
        return false;
    }
    return regexp.test(strValue);
}

function isUserName(Field) {
    strValue = getValue(Field);

    regexp = /^([^$@\\ ]+)$/
    if (isEmpty(strValue)) {
        return false;
    }
    return regexp.test(strValue);
}

function isCreditCardNumber(Field) {
    var iChkSum = 0;
    var ccnum = getValue(Field);

    ccnum = ccnum.replace(/\D/g, "");

    // check for correct card number length
    if (ccnum.length < 13) return false;

    // make an array and fill it with the individual digits of the cc number
    ccnumchk = new Array;
    for (iLoop = 0; iLoop < ccnum.length; iLoop++) {
        ccnumchk[ccnum.length - 1 - iLoop] = ccnum.substring(iLoop, iLoop + 1);
    }

    // perform the weird mathematical method (some base 10 stuff) to
    // convert the number to a two digit number
    // for those of you who aren't as familiar with the js operators
    // i'll comment some of the math lines...well, really just one

    var skemp = 0;
    for (iLoop = 0; iLoop < ccnum.length; iLoop++) {
        // if splits is an even number...
        if (iLoop % 2 != 0) {
            ccnumchk[iLoop] = ccnumchk[iLoop] * 2;
            if (ccnumchk[iLoop] >= 10) ccnumchk[iLoop] = ccnumchk[iLoop] - 9;
        }

        // switch ccnumchk[splits] to a number
        ccnumchk[iLoop]++;
        ccnumchk[iLoop]--;

        iChkSum = iChkSum + ccnumchk[iLoop].valueOf();
    }
    if (iChkSum % 10 != 0) { return false; } // The result isn't base 10

    return true;
}

function isEmail(Field) {
    strValue = getValue(Field);

    regexp = /^[A-Za-z0-9']+([_\.\-]?[a-zA-Z0-9']+)*\@([A-Za-z0-9\-]+\.)+[A-Za-z]{2,5}$/

    if (isEmpty(strValue)) {
        return false;
    }
    return regexp.test(strValue);
}

function isEmptyWysiwyg(Field) {
    strValue = getValue(Field);

    // delete all default tags
    rexp = /&nbsp;/gi;
    strValue = strValue.replace(rexp, '');
    rexp = /<p><\/p>/gi;
    strValue = strValue.replace(rexp, '');
    rexp = /<p>&nbsp;<\/p>/gi;
    strValue = strValue.replace(rexp, '');

    if (isEmpty(strValue)) {
        return true;
    }
    return false;
}

function isURL(Field) {
    strValue = getValue(Field);

    regexp = /^http(s?):\/\/([^$@\\ ]+)$/i
    if (isEmpty(strValue)) {
        return false;
    }
    return regexp.test(strValue);
}

function isEmailList(Field) {
    strValue = getValue(Field);

    // delete all spaces near comma
    rexp = /, /gi;
    strValue = strValue.replace(rexp, ',');
    rexp = / ,/gi;
    strValue = strValue.replace(rexp, ',');
    strArray = strValue.split(",");

    regexp = /^[A-Za-z0-9']([_\.\-]?[a-zA-Z0-9']+)*\@([A-Za-z0-9\-]+\.)+[A-Za-z]{2,5}$/

    for (var i = 0; i < strArray.length; i++) {
        if (isEmpty(strArray[i])) return false;
        if (!regexp.test(strArray[i])) return false;
    }
    // set new field value (with removed spaces between comma and addresses)
    Field.value = strValue;
    return true;
}

function isZip(Field) {
    strValue = getValue(Field);

    if (isEmpty(strValue)) {
        return false;
    }

    if (strValue.indexOf('-') >= 0) {
        regexp = /^\d{5}-\d{4}$/
    } else {
        regexp = /^\d{5}$/
    }

    return regexp.test(strValue);
}

function isPhone(Field) {
    strValue = getValue(Field);

    regexp = /^1{0,1} *(-| ){0,1} *[\(]*[0-9]{0,3}[\)]* *(-| ){0,1} *[0-9]{3} *(-| ){0,1} *[0-9]{4}$/;

    if (isEmpty(strValue)) {
        return false;
    }
    return regexp.test(strValue);
}

function isFax(Field) {
    strValue = getValue(Field);

    regexp = /^\d{3}-\d{3}-\d{4}$/
    if (isEmpty(strValue)) {
        return false;
    }
    return regexp.test(strValue);
}

function isEmpty(s) {
    if (s == null || trim(s) == '') {
        return true;
    }
    else {
        return false;
    }
}

function isText(f) {
    return !isEmptyField(f);
}

function isNotEmptyDate(val) {
    return !isEmptyDate(val);
}

function isNotEmptyTime(val) {
    return !isEmptyTime(val);
}

function isEmptyDate(val) {
    var ctrl = document.getElementById(val.controltovalidate + '_cal');
    return isEmptyField(ctrl);
}

function isEmptyTime(val) {
    var ctrl_h = document.getElementById(val.controltovalidate + '_H');
    var ctrl_m = document.getElementById(val.controltovalidate + '_M');
    var ctrl_ampm = document.getElementById(val.controltovalidate + '_AMPM');

    if (ctrl_h.selectedIndex == 0) return true;
    if (ctrl_m.selectedIndex == 0) return true;
    if (ctrl_ampm.selectedIndex == 0) return true;

    return false;
}

function isValidDate(val) {
    var ctrl = document.getElementById(val.controltovalidate + '_cal');
    return isDate(ctrl);
}

function isValidTime(val) {
    var ctrl_h = document.getElementById(val.controltovalidate + '_H');
    var ctrl_m = document.getElementById(val.controltovalidate + '_M');
    var ctrl_ampm = document.getElementById(val.controltovalidate + '_AMPM');

    if (ctrl_h.selectedIndex == 0 && ctrl_m.selectedIndex == 0 && ctrl_ampm.selectedIndex == 0) return true;
    if (ctrl_h.selectedIndex == 0) return false;
    if (ctrl_m.selectedIndex == 0) return false;
    if (ctrl_ampm.selectedIndex == 0) return false;

    return true;
}

function isDate(Field) {
    if (isEmptyField(Field)) return true;

    var dtArray = Field.value.split('/');
    if (dtArray.length != 3) return false;
    return CheckDate(dtArray[0], dtArray[1], dtArray[2]);
}

function CheckDate(m, d, y) {
    Months = "31/!/28/!/31/!/30/!/31/!/30/!/31/!/31/!/30/!/31/!/30/!/31";
    MonthArray = Months.split("/!/");

    if (isNaN(parseInt(m, 10))) return false;
    if (isNaN(parseInt(d, 10))) return false;
    if (isNaN(parseInt(y, 10))) return false;

    if (d != parseInt(d, 10)) return false;
    if (m != parseInt(m, 10)) return false;
    if (y != parseInt(y, 10)) return false;

    d = parseInt(d, 10);
    m = parseInt(m, 10);
    y = parseInt(y, 10);

    y = convertYear(y);

    if (y <= 1900) return false;
    if (y >= 2100) return false;
    if (m < 1 || m > 12) return false;
    if (isLeapYear(y)) MonthArray[1] = eval(eval(MonthArray[1]) + 1);

    if (d < 1 || MonthArray[m - 1] < d) return false;
    return true;
}

function convertYear(y) {
    var borderYEAR = 40;

    yearvalue = parseInt(y, 10);
    if (isNaN(yearvalue)) return y;

    if (yearvalue - borderYEAR <= 0) {
        yearvalue = yearvalue + 2000
    } else if (yearvalue - 100 < 0) {
        yearvalue = yearvalue + 1900
    }

    return yearvalue;
}

function isLeapYear(Year) {
    if (Math.round(Year / 4) == Year / 4) {
        if (Math.round(Year / 100) == Year / 100) {
            if (Math.round(Year / 400) == Year / 400)
                return true;
            else return false;
        } else return true;
    }
    return false;
}

function getValue(Field) {
    fieldType = Field.type;

    if (fieldType == "text") {
        return getTextValue(Field);
    } else if (fieldType == "hidden") {
        return getTextValue(Field);
    } else if (fieldType == "select-one") {
        return getListValue(Field);
    } else if (fieldType == "textarea") {
        return getTextValue(Field);
    } else if (fieldType == "file") {
        return getTextValue(Field);
    } else if (fieldType == "password") {
        return getTextValue(Field);
    } else if (fieldType == "checkbox") {
        return getCheckboxValue(Field);
    } else if (isNaN(fieldType)) {
        return getRadioValue(Field);
    } else {
        return getTextValue(Field);
    }
}

function getListValue(Field) {
    return Field[Field.selectedIndex].value;
}

function getTextValue(Field) {
    return Field.value;
}

function getCheckboxValue(Field) {

    if (Field.checked) return Field.value;
    return '';
}

function getRadioValue(Field) {
    found = false;

    if (isNaN(Field.length)) {
        return Field.value;
    }

    for (var i = 0; i < Field.length; i++) {
        if (Field[i].checked) {
            return Field[i].value;
            break;
        }
    }
    return !found;
}

function trim(str) {
    while (str.substring(0, 1) == " ") {
        str = str.substring(1, str.length);
    }
    while (str.substring(str.length - 1, str.length) == " ") {
        str = str.substring(0, str.length - 1);
    }
    return str;
}

function isEmptyList(Field) {
    return isEmpty(Field[Field.selectedIndex].value);
}

function isEmptyText(Field) {
    return isEmpty(Field.value)
}

function isEmptyCheckbox(Field) {
    return !Field.checked;
}

function isEmptyField(Field) {
    fieldType = Field.type;

    if (fieldType == "text") {
        return isEmptyText(Field);
    } else if (fieldType == "hidden") {
        return isEmptyText(Field);
    } else if (fieldType == "file") {
        return isEmptyText(Field);
    } else if (fieldType == "select-one") {
        return isEmptyList(Field);
    } else if (fieldType == "textarea") {
        return isEmptyText(Field);
    } else if (fieldType == "password") {
        return isEmptyText(Field);
    } else if (fieldType == "checkbox") {
        return isEmptyCheckbox(Field)
    } else if (isNaN(fieldType)) {
        return isEmptyRadio(Field)
    } else {
        return isEmptyText(Field);
    }
}

function isDefined(obj) {

    if (typeof (obj) == "undefined") {
        return false;
    } else {
        return true;
    }
}

function isEmptyRadio(Field) {
    found = false;

    if (isNaN(Field.length)) {
        return !Field.checked;
    }

    for (var i = 0; i < Field.length; i++) {
        if (Field[i].checked) {
            found = true;
            break;
        }
    }
    return !found;
}

function isNotEmptyFile(val) {
    return !isEmptyFile(val);
}

function isEmptyFile(val) {
    var oid, fid, cid, bDelChecked = false;

    oid = document.getElementById(val.controltovalidate + '_OLD');
    fid = document.getElementById(val.controltovalidate + '_FILE');
    cid = document.getElementById(val.controltovalidate + '_CHK');

    if (cid != null) { bDelChecked = cid.checked; }

    return (isEmptyField(oid) && isEmptyField(fid) || isEmptyField(fid) && bDelChecked);
}

function isNotEmptyCheckBoxList(val) {
    var parent = document.getElementById(val.controltovalidate);
    var checkboxes = parent.getElementsByTagName('INPUT');
    var checked = false;
    for (var i = 0; i < checkboxes.length; i++) {
        if (checkboxes[i].checked) return true;
    }
    return false;
}

function isValidFile(val) {
    if (isEmptyFile(val)) return true;

    var fid = document.getElementById(val.controltovalidate + '_FILE');
    if (isEmptyField(fid)) return true;

    var filename = getValue(fid);
    var lastDot = filename.lastIndexOf(".")

    if (lastDot == -1) return false;

    var ext = filename.substring(lastDot + 1, filename.length);
    filename = filename.substring(0, lastDot);

    if (filename == '') return false;

    var aExtensions = val.extensions.split(",");

    for (i = 0; i < aExtensions.length; i++) {
        if (aExtensions[i] == ext.toLowerCase()) return true;
    }
    return false;
}

function limit(fname, width, maxChar) {
    var ta1, ta2, d;

    d = document.getElementById(fname + 'DIV');
    if (maxChar < 1) {
        d.innerHTML = "";
        return;
    }

    ctrl = document.getElementById(fname + '_ctrl');

    x = maxChar - ctrl.value.length;
    if (x < 0) {
        ctrl.value = ctrl.value.substring(0, maxChar); x = 0;
    }
    ta1 = document.getElementById(fname + 'TA1');
    ta1.style.width = Math.floor(width * (maxChar - x) / maxChar) + 'px';
    ta1.alt = maxChar - x + " chars used";
    ta2 = document.getElementById(fname + 'TA2');
    ta2.style.width = Math.floor(width * x / maxChar) + 'px';
    ta2.alt = x + " chars available";
    d.innerHTML = x + " characters left ";

    window.status = ta1.width + " : " + ta2.width;
}

var ctrl_to_disable;

function PleaseWait(ctrl) {
    ctrl_to_disable = ctrl
    window.setTimeout("PleaseWaitTimeout()", 10);
}

function PleaseWaitTimeout(ctrlid) {
    ctrl_to_disable.value = 'Please wait...';
    ctrl_to_disable.disabled = true;
}