// Enalyzer Popup Script v0.1
//
// Enalyzer Inc. (c) 2005 - This script is the property of Enalyzer Inc.
//
// 1.	This script (or parts of it) may only be used by customers of Enalyzer Inc.
// 2.	This script (or parts of it) may only be used with Enalyzer Inc. Products.
// 3.	Customers of Enalyzer Inc. are allowed to modify this the script to serve their needs. As long as:
//
//		- This disclamer is not removed
//		- The script is used with products of Enalyzer Inc.
//						

var enalyzerSurveyWindow;
var enalyzerClientInformation;
var enalyzerSurveyWindow;

// Survey Invitation Class
function EnalyzerSurveyInvitation() {

    // Class Members
    this.Domain = null; //Default value - do not change here - Change on instance of class. 
    this.SurveyUrl;
    this.ClientIp;
    this.ClientIpsAllowed
    this.ClientIpsDenied
    this.CookieSurveyRelatedIdentifier
    this.InvitationHeight = 300; //Default value - do not change here - Change on instance of class. 
    this.InvitationWidth = 550;  //Default value - do not change here - Change on instance of class. 
    this.SurveyHeight = 600;     //Default value - do not change here - Change on instance of class. 
    this.SurveyWidth = 800;      //Default value - do not change here - Change on instance of class. 
    this.width = 400;
    this.height = 300;
    this.SurveyOpenOnLeavingDomain = false; //Default value - do not change here - Change on instance of class. 

    // Exposed Methods
    this.Execute = ExecuteMethod;
    this.Accept = AcceptMethod;
    this.Decline = DeclineMethod;
    this.PositionInvitation = PositionInvitationMethod;


    // Methods - Start 
    function ExecuteMethod() {
        enalyzerClientInformation = new EnalyzerClientInformation();

        if (PerformIpValidation(this) == false) {
            return;
        }

        if (enalyzerClientInformation.BrowserIsMozillaNN4) {
            var enabled = testCookie()
            if (!enabled == 0) {
                return false;
            }
        } else {
            if (!navigator.cookieEnabled) {
                return false;
            }
        }

        if (HasAcceptedOrDeclinedBefore(this) == true) {
            var objSurveyInvitation = document.getElementById('divSurveyInvitation');
            objSurveyInvitation.parentNode.removeChild(objSurveyInvitation);
            return;
        }

        ShowInvitation(this);
    }

    function testCookie() {
        var d = new Date();
        var timeout = d.getTime() + (1 * 60 * 1000);
        var expires = new Date();
        expires.setTime(timeout);
        var expires_str = expires.toGMTString();
        var test_str = "IsEnalyzerCookieEnabled=" + 1 + ";path=/;"
        var domain = "www.enalyzer.com";
        test_str += domain + "; expires=" + expires_str;
        document.cookie = test_str;
        enabled = document.cookie.indexOf("IsEnalyzerCookieEnabled");
        if (enabled == 0) {
            return 0;
        } else {
            return 1;
        }

    }


    function HasAcceptedOrDeclinedBefore(classRef) {

        if (document.cookie.indexOf(escape(classRef.CookieSurveyRelatedIdentifier)) > -1) {
            return true;
        } else {
            return false;
        }

    }

    function AcceptMethod() {

        if (this.SurveyOpenOnLeavingDomain) {
            document.forms['EnalyzerSurveyInvitationForm'].elements["hdnSurveyUrl"].value = this.SurveyUrl;
            enalyzerSurveyWindow = EnalyzerCreateReferencedWindow(enalyzerSurveyWindow, "EnalyzerPopupSurveyOnLeaveDomainMonitor.htm", this.SurveyWidth, this.SurveyHeight, 'scrollbars=yes,resizable=yes')
        } else {
            enalyzerSurveyWindow = EnalyzerCreateReferencedWindow(enalyzerSurveyWindow, this.SurveyUrl, this.SurveyWidth, this.SurveyHeight, 'scrollbars=yes,resizable=yes')
        }
        HideInvitation();
        Set_Cookie("EnalyzerInvitation", this.CookieSurveyRelatedIdentifier, "/", this.Domain);
        return false;
    }

    function DeclineMethod() {
        HideInvitation();
        Set_Cookie("EnalyzerInvitation", this.CookieSurveyRelatedIdentifier, "/", this.Domain);
        return false;
    }

    function Set_Cookie(name, value, path, domain, secure) {
        var expires_date = new Date();
        expires_date.setFullYear(expires_date.getFullYear() + 10);


        document.cookie = name + "=" + escape(value) +
		((expires_date) ? ";expires=" + expires_date.toGMTString() : "") +
		((path) ? ";path=" + path : "") +
		((domain) ? ";domain=" + domain : "") +
		((secure) ? ";secure" : "");
    }

    function RemoveCookie(classRef) {
        var timeTenYearsBack = new Date();
        timeTenYearsBack.setFullYear(timeTenYearsBack.getFullYear() - 10);
        document.cookie = "EnalyzerInvitation=" + escape(classRef.CookieSurveyRelatedIdentifier) + "; expires=" + timeTenYearsBack.toGMTString();
    }

    //Used for positioning the PopupWindow and the overlay Div***********************************************************************
    function PositionInvitationMethod(classRef) {
        //Get the classRef it if is null
        if (classRef == null) {
            classRef = this;
        }

        //
        var InvitationPositionLeftOffSet = (enalyzerClientInformation.ClientPageWidth - classRef.InvitationWidth) / 2;
        var InvitationPositionTopOffSet = (enalyzerClientInformation.ClientPageHeight - classRef.InvitationHeight) / 2;


        //
        EnalyzerClientInformation();
        enalyzerClientInformation = new EnalyzerClientInformation();

        //Opera and Internet Explorer
        if (enalyzerClientInformation.BrowserIsOpera || enalyzerClientInformation.BrowserIsInternetExplorer) {
            document.all.divSurveyInvitation.style.top = 0;
            document.all.divSurveyInvitation.style.left = 0;
            document.all.divSurveyInvitation.style.height = "100%";
            document.all.divSurveyInvitation.style.width = "100%";
        }
        else {
            //Mozilla NN6
            if (enalyzerClientInformation.BrowserIsMozillaNN6) {
                document.getElementById("divSurveyInvitation").style.top = "50%";
                document.getElementById("divSurveyInvitation").style.left = "50%";
                document.getElementById("divSurveyInvitation").style.marginTop = "-" + (classRef.InvitationHeight) / 2 + "px";
                document.getElementById("divSurveyInvitation").style.marginLeft = "-" + (classRef.InvitationWidth) / 2 + "px";
            }
            else {
                //Mozilla NN4
                if (enalyzerClientInformation.BrowserIsMozillaNN4) {
                    document.layers['divSurveyInvitation'].position = 'absolute';
                    document.layers['divSurveyInvitation'].top = InvitationPositionTopOffSet;
                }
                else
                //Anything else
                {
                    document.layers['divSurveyInvitation'].position = 'absolute';
                    document.layers['divSurveyInvitation'].top = InvitationPositionTopOffSet;
                    document.layers['divSurveyInvitation'].left = InvitationPositionLeftOffSet;
                }
            }
        }
    }
    
    //********************************************************************************************************************		
    //Function which displays the Popup***********************************************************************************
    function ShowInvitation(classRef) {
        enalyzerClientInformation = new EnalyzerClientInformation();
        EnalyzerToggleSelects('hidden')
        if (enalyzerClientInformation.BrowserIsOpera || enalyzerClientInformation.BrowserIsInternetExplorer) {
            //Show the Popup div
            document.all.divSurveyInvitation.style.visibility = 'visible';
            //Show the Background div
            document.all.outerDivSurveyInvitation.style.visibility = 'visible';

        }
        else {
            if (enalyzerClientInformation.BrowserIsMozillaNN4) {
                //Show the Popup div
                document.layers['divSurveyInvitation'].visibility = "visible";
                //Show the Background div
                document.layers['outerDivSurveyInvitation'].visibility = "visible";
            }
            else {
                //Show the Popup div
                document.getElementById("divSurveyInvitation").style.visibility = "visible";
                //Show the Background div
                document.getElementById("outerDivSurveyInvitation").style.visibility = "visible";
            }
        }
        //Position the Popup div
        PositionInvitationMethod(classRef);
    }
    
    //********************************************************************************************************************
    //Function which hides the Popup**************************************************************************************
    function HideInvitation() {
        if (enalyzerClientInformation.BrowserIsOpera || enalyzerClientInformation.BrowserIsInternetExplorer) {
            //Hide the Popup div
            document.all.divSurveyInvitation.style.zIndex = -50;
            document.all.divSurveyInvitation.style.visibility = 'hidden';
            //Hide the Background div
            document.all.outerDivSurveyInvitation.style.visibility = "hidden";
            document.all.outerDivSurveyInvitation.style.zIndex = -50;
        }
        else {
            if (enalyzerClientInformation.BrowserIsMozillaNN4) {
                //Hide the Popup div
                document.layers['divSurveyInvitation'].visibility = 'hide';
                document.layers['divSurveyInvitation'].zIndex = -50;
                //Hide the Background div
                document.layers("outerDivSurveyInvitation").visibility = "hidden";
                document.layers("outerDivSurveyInvitation").zIndex = -50;
            }
            else {
                //Hide the Popup div
                document.getElementById("divSurveyInvitation").style.visibility = "hidden";
                document.getElementById("divSurveyInvitation").style.zIndex = -50;
                //Hide the Background div
                document.getElementById("outerDivSurveyInvitation").style.visibility = "hidden";
                document.getElementById("outerDivSurveyInvitation").style.zIndex = -50;
            }
        }
    }
    //********************************************************************************************************************

    function CookiePresent(classRef) {
        return false;
    }

    function PerformIpValidation(classRef) {
        var ipValid = true;

        if (classRef.ClientIpsAllowed != null || classRef.ClientIpsDenied != null) {

            if (classRef.ClientIpsAllowed != null)
                classRef.ClientIpsAllowed = classRef.ClientIpsAllowed.replace(" ", "");

            if (classRef.ClientIpsDenied != null)
                classRef.ClientIpsDenied = classRef.ClientIpsDenied.replace(" ", "");

            //By default the ip checks only work if the Ip property on the class is set
            if (classRef.ClientIp != null) {

                //Check allow array
                if (classRef.ClientIpsAllowed != null) {
                    if (!IsIpInTheList(classRef.ClientIp, classRef.ClientIpsAllowed)) {
                        ipValid = false;
                    }
                }

                //Check deny array - This check overrules the allow array
                if (classRef.ClientIpsDenied != null) {
                    if (IsIpInTheList(classRef.ClientIp, classRef.ClientIpsDenied)) {
                        ipValid = false;
                    }
                }
            }
        }


        return ipValid;
    }

    function IsIpInTheList(ip, ipList) {

        var blnIpIsInTheList = false;
        var arIpList = ipList.split(",");

        for (var iIp = 0; iIp < arIpList.length; iIp++) {

            if (IpMatchesIpOrMask(ip, arIpList[iIp])) {
                blnIpIsInTheList = true;
            }

        }
        return blnIpIsInTheList;

    }


    function IpMatchesIpOrMask(clientIp, listIp) {

        var blnMatched = true;
        var arClientIpParts, arListIpParts;
        if (clientIp.length > 0 && listIp.length > 0) {
            arClientIpParts = clientIp.split(".");
            arListIpParts = listIp.split(".");

            if (arClientIpParts.length == arListIpParts.length) {

                for (var iIp = 0; iIp < arClientIpParts.length; iIp++) {

                    if (arClientIpParts[iIp] != arListIpParts[iIp] && arListIpParts[iIp] != "*") {

                        blnMatched = false;
                        break;
                    }
                }
            } else {
                blnMatched = false;
            }
        }

        return blnMatched;

    }


    // Methods - End

} // SurveyInvitation Class End


function EnalyzerCreateReferencedWindow(objWindow, strUrl, intWidth, intHeight, strProperties) {
    if (typeof objWindow == 'undefined' || objWindow.closed) {
        if (strProperties.length > 0) { strProperties = ',' + strProperties }
        objWindow = window.open(strUrl, '', 'top=' + (screen.availHeight - intHeight) / 2 + ',left=' + (screen.availWidth - intWidth) / 2 + ',width=' + intWidth + ',height=' + intHeight + strProperties);
    }
    else if (objWindow.document.location.href.slice(objWindow.document.location.href.length - strUrl.length, objWindow.document.location.href.length) != strUrl) {
        objWindow.close();
        if (strProperties.length > 0) { strProperties = ',' + strProperties }
        objWindow = window.open(strUrl, '', 'top=' + (screen.availHeight - intHeight) / 2 + ',left=' + (screen.availWidth - intWidth) / 2 + ',width=' + intWidth + ',height=' + intHeight + strProperties);
    }
    else {
        objWindow.focus();
    }
    return objWindow;
}

function EnalyzerToggleSelects(action) {
    for (var i = 0; i < document.forms.length; i++) {
        var colElements = document.forms[i];
        for (var j = 0; j < colElements.length; j++) {
            if (colElements[j].type == "select-one") {
                colElements[j].style.visibility = action;
            }
        }
    }
}

//Function used for getting information about the browser**********************************************************************
function EnalyzerClientInformation() {
    this.BrowserIsInternetExplorer = false;
    this.BrowserIsMozilla = false;
    this.BrowserIsMozillaNN4 = false;
    this.BrowserIsMozillaNN6 = false;
    this.BrowserIsOpera = false;

    this.BrowserVersion;
    this.ClientPageWidth;
    this.ClientPageHeight;
    this.ClientPageTopOffset;
    this.ClientPageLeftOffset;

    this.ClientInfoString;


    //Browser identification~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    if (navigator.appName == 'Microsoft Internet Explorer') {
        this.BrowserIsInternetExplorer = true;
    }

    if (navigator.appName == 'Netscape') {
        this.BrowserIsMozilla = true;

        if (document.layers) {
            this.BrowserIsMozillaNN4 = true;
        }

        if (document.getElementById) {
            this.BrowserIsMozillaNN6 = true;
        }
    }

    if (window.opera) {
        this.BrowserIsOpera = true;
    }
    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    //
    this.BroswerVersion = parseInt(navigator.appVersion);


    //Page information~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    //Width	    
    if (this.BrowserIsInternetExplorer) {
        this.ClientPageWidth = document.body.offsetWidth + 20;
    }
    else if (this.BrowserIsMozilla) {
        //this.ClientPageWidth = window.innerWidth;
        this.ClientPageWidth = document.body.clientWidth;
    }

    //Height
    if (this.BrowserIsInternetExplorer) {
        this.ClientPageHeight = document.body.offsetHeight;
    } else if (this.BrowserIsMozilla) {
        //this.ClientPageHeight = window.innerHeight;
        this.ClientPageHeight = document.body.clientHeight;
    }

    //Top offset
    if (this.BrowserIsInternetExplorer) {
        this.ClientPageTopOffset = document.body.scrollTop;
    } else if (this.BrowserIsMozilla) {
        this.ClientPageTopOffset = window.pageYOffset;
    }

    //Left offset
    if (this.BrowserIsInternetExplorer) {
        this.ClientPageLeftOffset = document.body.scrollLeft;
    } else if (this.BrowserIsMozilla) {
        this.ClientPageLeftOffset = window.pageXOffset;
    }
    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    ComposeClientInfoString(this);

    function ComposeClientInfoString(classRef) {

        classRef.ClientInfoString = 'BrowserIsInternetExplorer: ' + classRef.BrowserIsInternetExplorer + "\n";
        classRef.ClientInfoString = classRef.ClientInfoString + 'BrowserIsMozilla: ' + classRef.BrowserIsMozilla + "\n";
        classRef.ClientInfoString = classRef.ClientInfoString + 'BroswerVersion: ' + classRef.BroswerVersion + "\n";

        classRef.ClientInfoString = classRef.ClientInfoString + 'ClientPageWidth: ' + classRef.ClientPageWidth + "\n";
        classRef.ClientInfoString = classRef.ClientInfoString + 'ClientPageHeight: ' + classRef.ClientPageHeight + "\n";
        classRef.ClientInfoString = classRef.ClientInfoString + 'ClientPageTopOffset: ' + classRef.ClientPageTopOffset + "\n";
        classRef.ClientInfoString = classRef.ClientInfoString + 'ClientPageLeftOffset: ' + classRef.ClientPageLeftOffset + "\n";
    }
}
//******************************************************************************************************************************
// Enalyzer Popup Script - End