var dnn;        //should really make this m_dnn... but want to treat like namespace

var DNN_HIGHLIGHT_COLOR = '#9999FF';
var COL_DELIMITER = String.fromCharCode(18);
var ROW_DELIMITER = String.fromCharCode(17);

if (typeof(__dnn_m_aNamespaces) == 'undefined')        //include in each DNN ClientAPI namespace file for dependency loading
        var __dnn_m_aNamespaces = new Array();

//NameSpace DNN
        function __dnn()
        {
                this.apiversion = .1;
                this.pns = '';
                this.ns = 'dnn';
                this.diagnostics = null;
                this.vars = null;
                this.dependencies = new Array();
                this.isLoaded = false;
        }

        __dnn.prototype.getVars = function()
        {
                if (this.vars == null)
                {
                        this.vars = new Array();
                        var oCtl = dnn.dom.getById('__dnnVariable');
                        if (oCtl != null)
                        {
                                var aryItems = oCtl.value.split(ROW_DELIMITER);
                                for (var i=0; i<aryItems.length; i++)
                                {
                                        var aryItem = aryItems[i].split(COL_DELIMITER);

                                        if (aryItem.length == 2)
                                                this.vars[aryItem[0]] = aryItem[1];
                                }
                        }
                }
                return this.vars;
        }

        __dnn.prototype.getVar = function(sKey)
        {
                return this.getVars()[sKey];
        }

        __dnn.prototype.setVar = function(sKey, sVal)
        {
                if (this.vars == null)
                        this.getVars();
                this.vars[sKey] = sVal;
                var oCtl = dnn.dom.getById('__dnnVariable');
                if (oCtl == null)
                {
                        oCtl = dnn.dom.createElement('INPUT');
                        oCtl.type = 'hidden';
                        oCtl.id = '__dnnVariable';
                        dnn.dom.appendChild(dnn.dom.getByTagName("body")[0], oCtl);
                }
                var sVals = '';
                var sKey
                for (sKey in this.vars)
                {
                        sVals += ROW_DELIMITER + sKey + COL_DELIMITER + this.vars[sKey];
                }
                oCtl.value = sVals;
                return true;
        }

        __dnn.prototype.callPostBack = function(sAction)
        {
                var sPostBack = dnn.getVar('__dnn_postBack');
                var sData = '';
                if (sPostBack.length > 0)
                {
                        sData += sAction;
                        for (var i=1; i<arguments.length; i++)
                        {
                                var aryParam = arguments[i].split('=');
                                sData += COL_DELIMITER + aryParam[0] + COL_DELIMITER + aryParam[1];
                        }
                        eval(sPostBack.replace('[DATA]', sData));
                }
        }

        __dnn.prototype.dependenciesLoaded = function()
        {
                return true;
        }

        __dnn.prototype.loadNamespace = function ()
        {
                if (this.isLoaded == false)
                {
                        if (this.dependenciesLoaded())
                        {
                                dnn = this;
                                this.isLoaded = true;
                                this.loadDependencies(this.pns, this.ns);
                        }
                }
        }

        __dnn.prototype.loadDependencies = function (sPNS, sNS)
        {
                for (var i=0; i<__dnn_m_aNamespaces.length; i++)
                {
                        for (var iDep=0; i<__dnn_m_aNamespaces[i].dependencies.length; i++)
                        {
                                if (__dnn_m_aNamespaces[i].dependencies[iDep] == sPNS + (sPNS.length>0 ? '.': '') + sNS)
                                        __dnn_m_aNamespaces[i].loadNamespace();
                        }
                }
        }


        //--- dnn.dom
                function dnn_dom()
                {
                        this.pns = 'dnn';
                        this.ns = 'dom';
                        this.dependencies = 'dnn'.split(',');
                        this.isLoaded = false;
                }

                dnn_dom.prototype.getById = function (sID, oCtl)
                {
                        if (oCtl == null)
                                oCtl = document;
                        if (oCtl.getElementById) //(dnn.dom.browser.isType(dnn.dom.browser.InternetExplorer) == false)
                                return oCtl.getElementById(sID);
                        else
                                return oCtl.all(sID);
                }

                dnn_dom.prototype.getByTagName = function (sTag, oCtl)
                {
                        if (oCtl == null)
                                oCtl = document;
                        if (oCtl.getElementsByTagName) //(dnn.dom.browser.type == dnn.dom.browser.InternetExplorer)
                                return oCtl.getElementsByTagName(sTag);
                        else if (oCtl.all.tags)
                                return oCtl.all.tags(sTag);
                        else
                                return null;
                }

                dnn_dom.prototype.createElement = function (sTagName)
                {
                        if (document.createElement)
                                return document.createElement(sTagName);
                        else
                                return null;
                }

                dnn_dom.prototype.isNonTextNode = function (oNode)
                {
                        return (oNode.nodeType != 3 && oNode.nodeType != 8); //exclude nodeType of Text (Netscape/Mozilla) issue!
                }

                dnn_dom.prototype.getNonTextNode = function (oNode)
                {
                        if (this.isNonTextNode(oNode))
                                return oNode;

                        while (oNode != null && this.isNonTextNode(oNode))
                        {
                                oNode = this.getSibling(oNode, 1);
                        }
                        return oNode;
                }

                dnn_dom.prototype.getSibling = function (oCtl, iOffset)
                {
                        if (oCtl != null && oCtl.parentNode != null)
                        {
                                for (var i=0; i<oCtl.parentNode.childNodes.length; i++)
                                {
                                        if (oCtl.parentNode.childNodes[i].id == oCtl.id)
                                        {
                                                if (oCtl.parentNode.childNodes[i + iOffset] != null)
                                                        return oCtl.parentNode.childNodes[i + iOffset];
                                        }
                                }
                        }
                }

                dnn_dom.prototype.appendChild = function (oParent, oChild)
                {
                        if (oParent.appendChild)
                                return oParent.appendChild(oChild);
                        else
                                return null;
                }

                dnn_dom.prototype.removeChild = function (oChild)
                {
                        if (oChild.parentNode.removeChild)
                                return oChild.parentNode.removeChild(oChild);
                        else
                                return null;
                }


                dnn_dom.prototype.setCookie = function (sName, sVal, iDays, sPath, sDomain, bSecure)
                {
                        var sExpires;
                        if (iDays)
                        {
                                sExpires = new Date();
                                sExpires.setTime(sExpires.getTime()+(iDays*24*60*60*1000));
                        }
                        document.cookie = sName + "=" + escape(sVal) + ((sExpires) ? "; expires=" + sExpires : "") +
                                ((sPath) ? "; path=" + sPath : "") + ((sDomain) ? "; domain=" + sDomain : "") + ((bSecure) ? "; secure" : "");

                        if (document.cookie.length > 0)
                                return true;

                }
                dnn_dom.prototype.getCookie = function (sName)
                {
                        var sCookie = " " + document.cookie;
                        var sSearch = " " + sName + "=";
                        var sStr = null;
                        var iOffset = 0;
                        var iEnd = 0;
                        if (sCookie.length > 0)
                        {
                                iOffset = sCookie.indexOf(sSearch);
                                if (iOffset != -1)
                                {
                                        iOffset += sSearch.length;
                                        iEnd = sCookie.indexOf(";", iOffset)
                                        if (iEnd == -1)
                                                iEnd = sCookie.length;
                                        sStr = unescape(sCookie.substring(iOffset, iEnd));
                                }
                        }
                        return(sStr);
                }

                dnn_dom.prototype.deleteCookie = function (sName, sPath, sDomain)
                {
                        if (this.getCookie(sName))
                        {
                                this.setCookie(sName, '', -1, sPath, sDomain);
                                return true;
                        }
                        return false;
                }

                dnn_dom.prototype.dependenciesLoaded = function()
                {
                        return (typeof(dnn) != 'undefined');
                }

                dnn_dom.prototype.loadNamespace = function ()
                {
                        if (this.isLoaded == false)
                        {
                                if (this.dependenciesLoaded())
                                {
                                        dnn.dom = this;
                                        this.isLoaded = true;
                                        dnn.loadDependencies(this.pns, this.ns);
                                }
                        }
                }


                        //--- dnn.dom.browser
                        function dnn_dom_browser()
                        {
                                this.pns = 'dnn.dom';
                                this.ns = 'browser';
                                this.dependencies = 'dnn,dnn.dom'.split(',');
                                this.isLoaded = false;
                                this.InternetExplorer = 'ie';
                                this.Netscape = 'ns';
                                this.Mozilla = 'mo';
                                this.Opera = 'op';
                                this.Safari = 'safari';
                                this.Konqueror = 'kq';

                                //Please offer a better solution if you have one!
                                var sType;
                                var agt=navigator.userAgent.toLowerCase();

                                if (agt.toLowerCase().indexOf('konqueror') != -1)
                                        sType = this.Konqueror;
                                else if (agt.toLowerCase().indexOf('opera') != -1)
                                        sType = this.Opera;
                                else if (agt.toLowerCase().indexOf('netscape') != -1)
                                        sType = this.Netscape;
                                else if (agt.toLowerCase().indexOf('msie') != -1)
                                        sType = this.InternetExplorer;
                                else if (agt.toLowerCase().indexOf('safari') != -1)
                                        sType = 'safari';

                                if (sType == null)
                                        sType = this.Mozilla;

                                this.type = sType;
                                this.version = parseFloat(navigator.appVersion);

                                var sAgent = navigator.userAgent.toLowerCase();
                                if (this.type == this.InternetExplorer)
                                {
                                        var temp=navigator.appVersion.split("MSIE");
                                        this.version=parseFloat(temp[1]);
                                }
                                if (this.type == this.Netscape)
                                {
                                        var temp=sAgent.split("netscape");
                                        this.version=parseFloat(temp[1].split("/")[1]);
                                }

                                //this.majorVersion = null;
                                //this.minorVersion = null;
                        }

                        dnn_dom_browser.prototype.toString = function ()
                        {
                                return this.type + ' ' + this.version;
                        }

                        dnn_dom_browser.prototype.isType = function ()
                        {
                                for (var i=0; i<arguments.length; i++)
                                {
                                        if (dnn.dom.browser.type == arguments[i])
                                                return true;
                                }
                                return false;
                        }

                        dnn_dom_browser.prototype.dependenciesLoaded = function()
                        {
                                return (typeof(dnn) != 'undefined' && typeof(dnn.dom) != 'undefined');
                        }

                        dnn_dom_browser.prototype.loadNamespace = function ()
                        {
                                if (this.isLoaded == false)
                                {
                                        if (this.dependenciesLoaded())
                                        {
                                                dnn.dom.browser = this;
                                                this.isLoaded = true;
                                                dnn.loadDependencies(this.pns, this.ns);
                                        }
                                }
                        }

                        //--- End dnn.dom.browser


        dnn_dom.prototype.attachEvent = function (oCtl, sType, fHandler)
        {
                if (dnn.dom.browser.isType(dnn.dom.browser.InternetExplorer) == false)
                {
                        var sName = sType.substring(2);
                        oCtl.addEventListener(sName, function (evt) {dnn.dom.event = new dnn_dom_event(evt, evt.target); return fHandler();}, false);
                }
                else
                        oCtl.attachEvent(sType, function () {dnn.dom.event = new dnn_dom_event(window.event, window.event.srcElement); return fHandler();});
                return true;
        }

        function dnn_dom_event(e, srcElement)
        {
                this.object = e;
                this.srcElement = srcElement;
        }

        //--- End dnn.dom


//--- End dnn

//load namespaces
__dnn_m_aNamespaces[__dnn_m_aNamespaces.length] = new dnn_dom_browser();
__dnn_m_aNamespaces[__dnn_m_aNamespaces.length] = new dnn_dom();
__dnn_m_aNamespaces[__dnn_m_aNamespaces.length] = new __dnn();
for (var i=__dnn_m_aNamespaces.length-1; i>=0; i--)
        __dnn_m_aNamespaces[i].loadNamespace();