/* #################################################################
Copyright © 2008 BBB Systems, LLC, All rights reserved
################################################################## */

var ajaxEnabled = true;
var b_xml = '';

ajxmlObject = function( ){
    //May add functionality later where the following variables are set
    //as of right now, it's just not necessary.
    this.responseText = '';
    this.responseXML = '';

    this.status = '';
    this.statusText = '';

    //If this is set, the title of the document will dynamicly change
    this.title = '';

    this.isCurrentRequest = false;

    this.xml_http = null;
    this.isSupported = false;

    //If you don't want the workNode to be a part of the actual document,
    //you can change this to be a document.createElement instead.
    this.workNodeID = 'workNode';
    this.workNode = null;

    if(window.XMLHttpRequest || window.ActiveXObject){
        this.isSupported = true;
        this.initialize( );
    }

}

ajxmlObject.prototype = {
/* ---------------------------------------------- */

request: function(url, rMethod){

    if(!this.supported( ) || this.isCurrentRequest){
        return;
    }

    initPreloader( );

    if(!this.workNode){
        this.workNode = document.getElementById(this.workNodeID);
    }

    this.isCurrentRequest = true;

    var oMethod = "GET";
    if(rMethod == "POST"){
        oMethod = "POST";
    }

    this.xml_http.open(oMethod, url, true);



    if(this.xml_http.overrideMimeType){
        this.xml_http.overrideMimeType("text/xml");
    }
    else{
        this.xml_http.setRequestHeader("Content-Type", "text/xml");
    }

    this.xml_http.send(null);
},

initialize: function( ){
    if(this.xml_http){
        this.xml_http = null;
    }

    if(window.XMLHttpRequest){
        this.xml_http = new XMLHttpRequest( );
    }
    else if(window.ActiveXObject){
        this.xml_http = new ActiveXObject("Microsoft.XMLHTTP");
        if(!this.xml_http){
            this.isSupported = false;
        }
    }

    this.xml_http.onreadystatechange = ajxmlObjectProcess;
},

supported: function( ){
    return this.isSupported;
}

/* ---------------------------------------------- */
}//end ajxmlObject.prototype

b_xml = new ajxmlObject( );

function ajxmlObjectProcess( ){
    if(b_xml){
        if(b_xml.xml_http.readyState != 4){
            return;
        }

        if(b_xml.xml_http.status == 200){
            b_xml.workNode.innerHTML = b_xml.xml_http.responseText;
            if(b_xml.workNode.getElementsByTagName("div")[0].className != 'xmldata'){
                return;
            }

            //customPreloader( );
            //defaultComplete called from customPreloader
            defaultComplete( );

            //initPreloader( );

            initAjaxTabs( );
            initInputButtons( );

            if(b_xml.workNode.innerHTML.match('loadGoogleMaps')){
                loadGoogleMaps( );
            }
        }
        else{
            //alert(b_xml.xml_http.status + ' - ' + b_xml.xml_http.statusText);
        }
    }
}

//This is the default most basic completion of ajax requests
function defaultComplete( ){
    var i;
    var xChildren = b_xml.workNode.getElementsByTagName("div")[0].childNodes;

    for(i = 0; i < xChildren.length; i++){
        var node = xChildren[i];

        if(node.nodeType != 1 || node.className == 'js_functions'){ continue; }


        if(node.className == "title"){
            for(j = 0; j < node.childNodes.length; j++){
                if(node.childNodes[j].nodeValue){
                    document.title = node.childNodes[j].nodeValue;
                    break;
                }
            }
            continue;
        }
        //else it's an inner document node.

        var docNode = document.getElementById(node.className);

        if(!docNode){
            continue;
        }

        node.normalize( );
        docNode.innerHTML = node.innerHTML;
        /*
        var nodeCopy = node.cloneNode(true);
        docNode.innerHTML = "";
        if(document.insertAdjacentElement){
            docNode.insertAdjacentElement("beforeEnd", nodeCopy);
        }
        else{
            docNode.appendChild(nodeCopy);
        }
        */
    }

    var preloadContainer = $('#preloadContainer');
    if(preloadContainer.length > 0){
        $(preloadContainer).css({'display': 'none'});
    }

    b_xml.isCurrentRequest = false;
    b_xml.initialize( );

    //must be defined in pscript.js on a per site basis
    if(window.special_xmlInit){
        //special_xmlInit overrides xmlInit (although it can call xmlInit)
        window.special_xmlInit( );
    }
    else if(window.xmlInit){
        window.xmlInit( );
    }

    $('.js_functions').each(function( ){
        function_name = $(this).html( );
        window[function_name]( );
    });

}

function initPreloader( ){
    var preloadContainer = $('#preloadContainer');
    if(preloadContainer.length == 0){
        //create container
        $('body').append('<div id="preloadContainer"><!-- preloader --></div>');
        preloadContainer = $('#preloadContainer');
    }

    $(preloadContainer).css({'display': 'block', 'width': '200px', 'height': '100px'});

    var s_top = 0;
    if (self.pageYOffset){// all except Explorer
    	s_top = self.pageYOffset;
    }
    else if (document.documentElement && document.documentElement.scrollTop){// Explorer 6 Strict
    	s_top = document.documentElement.scrollTop;
    }
    else if (document.body){// all other Explorers
    	s_top = document.body.scrollTop;
    }

    var pc_height = 0;
    if(window.outerHeight){
        pc_height = window.outerHeight / 2 + s_top - $(preloadContainer).css('height').replace('px', '') * 1.5;
    }
    else{
        pc_height = window.screen.height / 2 + s_top - $(preloadContainer).css('height').replace('px', '') * 1.5;
    }

    left_pos = 0;
    if(window.outerWidth){
        left_pos = window.outerWidth / 2 - $(preloadContainer).css('width').replace('px', '') / 2;
    }
    else{
        left_pos = window.screen.width / 2 - $(preloadContainer).css('width').replace('px', '') / 2;
    }

    $(preloadContainer).css({'left': left_pos + 'px'});
    $(preloadContainer).css({'top': pc_height + 'px'});

    if($(preloadContainer).css('display') != 'block'){
        $(preloadContainer).css({'display': 'block'});
    }
}

//Preloading image functions should be replaced by
//The reason these are in the ajax file is so images load up gracefully
//to give the end user a better experience between page loads.
function customPreloader( ){
    //var docImages = this.workNode.getElementsByTagName("img");
    var imgs = document.getElementsByTagName('img');
    var len = imgs.length;

    if(len == 0){
        defaultComplete( );
        return;
    }

    var preloadContainer = $('#preloadContainer');
    if(preloadContainer.length == 0){
        //create container
        $('body').append('<div id="preloadContainer"><!-- preloader --></div>');
        preloadContainer = $('#preloadContainer');
    }

    $(preloadContainer).css({'display': 'block'});

    var s_top = 0;
    if (self.pageYOffset){// all except Explorer
    	s_top = self.pageYOffset;
    }
    else if (document.documentElement && document.documentElement.scrollTop){// Explorer 6 Strict
    	s_top = document.documentElement.scrollTop;
    }
    else if (document.body){// all other Explorers
    	s_top = document.body.scrollTop;
    }

    var pc_height = 0;
    if(window.outerHeight){
        pc_height = window.outerHeight / 2 + s_top - $(preloadContainer).css('height').replace('px', '') * 1.5;
    }
    else{
        pc_height = window.screen.height / 2 + s_top - $(preloadContainer).css('height').replace('px', '') * 1.5;
    }

    left_pos = 0;
    if(window.outerWidth){
        left_pos = window.outerWidth / 2 - $(preloadContainer).css('width').replace('px', '') / 2;
    }
    else{
        left_pos = window.screen.width / 2 - $(preloadContainer).css('width').replace('px', '') / 2;
    }

    $(preloadContainer).css({'left': left_pos + 'px'});
    $(preloadContainer).css({'top': pc_height + 'px'});

    if($(preloadContainer).css('display') != 'block'){
        $(preloadContainer).css({'display': 'block'});
    }

    var numComplete = 0;
    for(var i = 0; i < len; i++){
        if(imgs[i].complete || imgs[i].complete == undefined || b_xml.xml_http.status == 404){
            numComplete++;
        }
    }

    if(numComplete == len){
        //$(preloadContainer).css({'display': 'none'});
        defaultComplete( );
    }
    else{
        b_xml.imgIterations++;
        if(b_xml.imgIterations >= b_xml.maxImgIterations){
            $(preloadContainer).css({'display': 'none'});
            defaultComplete( );
            return;
        }

        setTimeout('customPreloader( );', 5000);
    }
}

function launchAjaxApp(loc){
    //var a_width = screen.availWidth;
    //var a_height = screen.availHeight;

    var a_width = 927;
    var a_height = 614;

    //if(a_width < 927){ a_width = 927; }
    //if(a_height < 614){ a_height = 614; }


    var ajaxApp = window.open(loc, "ajaxApp", "width=" + a_width + ", height=" + a_height + " , scrollbars=0, status=no,toolbar=no,resizable=no");

    ajaxApp.focus( );
    window.location = "/splash";

    return false;
}

//getCookie and setCookie must be defined somewhere.
//element navContainer must be defined.
function ajaxCheck( ){
    if(window.name != 'ajaxApp'){
        if(ajaxEnabled && b_xml){
            if(b_xml.supported( )){
                if(document.getElementById('navContainer')){
                    var navContainer = document.getElementById('navContainer');

                    navContainer.innerHTML = '<li id="navLaunch" onclick="launchAjaxApp(window.location.href);">Click to Launch Application Version</li>';

                    ajaxEnabled = false;
                    b_xml = null;
                }
            }
        }
    }
}