var objXmlHTTP;
var mintParentId = 0;

var mobjOpen = new Array();
var mobjVisited = new Array();

window.onload =
function page_Load() {
    objXmlHTTP = createXMLHttpRequestObject();
    // a slight delay before loading is good due to strange
    // behaviour i Mozilla
    window.setTimeout("loadMenu(" + mintParentId + ")", 500);
    init_Page();
};

function loadMenu(inintParentId, inintArticles, inintChilds) {
    mintParentId = inintParentId;


    //if( !inintChilds && mintParentId ) return;

    if (inintChilds || !mintParentId) {
        if (mobjVisited["l" + mintParentId]) {
            renderMenu(mobjVisited["l" + mintParentId]);
            if (inintArticles) {
                getArtList();
            }
            return;
        }

        objXmlHTTP.open("GET", "menu.aspx?pid=" + inintParentId, true);
        objXmlHTTP.onreadystatechange = xmlHTTP_Loaded;
        objXmlHTTP.send(null);
    }
    if (inintArticles) {
        getArtList();
        //window.setTimeout('getArtList()', 250);
        //getArtList(inintParentId);
    }
    return false;
}

function getArtList(inintId) {
    if (!inintId)
        inintId = mintParentId;
    if (getQuerystring('searchby') == 'ArticleTreeGroupId' && getQuerystring('query') == inintId) {
        // Do not load same articlelist if already loaded in frameMid
    }
    else {
        top.frameMid.location.href = '/shop/artlist/index2.aspx?searchby=ArticleTreeGroupId&query=' + inintId;
    }
}


function getQuerystring(key, default_) {
    if (default_ == null) default_ = "";
    key = key.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
    var regex = new RegExp("[\\?&]" + key + "=([^&#]*)");
    var qs = regex.exec(top.frameMid.location.href);
    if (qs == null)
        return default_;
    else
        return qs[1];
}

/**
*
*/
function xmlHTTP_Loaded() {
    // if xmlhttp shows "loaded"
    if (objXmlHTTP.readyState == 4) {
        // if "OK"
        if (objXmlHTTP.status == 200) {
            var objLevels = eval('(' + objXmlHTTP.responseText + ')');
            mobjVisited.pushValue(objLevels, "l" + mintParentId);
            renderMenu(objLevels);
        }
        else {
            alert("Problem retrieving XML data")
        }
    }
}
/**
*
*/
function renderMenu(inobjLevels) {
    var objMenuDiv;

    objMenuDiv = document.getElementById("i_" + mintParentId);
    var objMenu = inobjLevels; //eval('(' + objXmlHTTP.responseText + ')');
    var intLevel = objMenu["rows"][0][2];
    var objCurr;

    var blnPOPULATED = 0;

    if (intLevel == '1') {
        for (i = (mobjOpen.length - 1); i >= 0; i--) {
            objCurr = document.getElementById("i_" + mobjOpen[i]);
            objCurr.innerHTML = "";
        }
        mobjOpen.length = 0;
    }

    if (mobjOpen.popValue(mintParentId)) {
        objMenuDiv.innerHTML = '';
        return;
    } else if (mintParentId != '0') {
        mobjOpen.pushValue(mintParentId);
    }

    var strOut = "";
    for (var i = 0; i < objMenu["rows"].length; i++) {
        var strAtgId = objMenu["rows"][i][0];
        var strDesc = objMenu["rows"][i][1];
        var strId = "i_" + strAtgId;

        var strArtCount = objMenu["rows"][i][3];
        if (strArtCount == '0') {
            strArtCount = objMenu["rows"][i][5]
        }

        var strCss = "", strDot = "", strDotEnd = "", strDotImg = "";
        if (objMenu["rows"][i][4] == '0') {
            strCss = objMenu["rows"][i][2];
            strDotImg = "dot";
        }
        else {
            strCss = objMenu["rows"][i][2] + 's';
            strDotImg = "sub";
        }
        strDot = '<span class="d' + strCss + '"><img src="/inc/img/dots/' + strDotImg + '.gif" class="dot" alt="" />&nbsp;</span>';

        //var strOnClick = ' onclick="return loadMenu(' + strAtgId + ', ' + objMenu["rows"][i][3] + ', ' + objMenu["rows"][i][4] + ');"';
        var strOnClick = 'return loadMenu(' + strAtgId + ', ' + strArtCount + ', ' + objMenu["rows"][i][4] + ');';

        var strOnMouseOver = 'document.getElementById(\'' + strId + 'X\').style.textDecoration=\'underline\';';
        var strOnMouseOut = 'document.getElementById(\'' + strId + 'X\').style.textDecoration=\'none\';';

        // Bull 8226 - Middot 183 - Angle 8250 - DoubleAngle 187 - DoubleArrow 8658 - ThinSpace 8201

        strDesc = strDesc.substr(strDesc.search(/[^\s\-]/)); // Tar bort alla initiala mellanrum och bindestreck

        strOut += '<div class="a' + strCss + '" onMouseOver="' + strOnMouseOver + '" onMouseOut="' + strOnMouseOut + '" onclick="' + strOnClick + '">' + strDot + '<span id="' + strId + 'X">' + strDesc + '</span></div>'
                + '<div class="b' + strCss + '"><SPAN id="' + strId + '"></SPAN></div>';
    }
    objMenuDiv.innerHTML = strOut;
}

// Some array prototypes
Array.prototype.popValue = function(inobjValue) {
    var objTmpArray = new Array();
    for (var i = 0; i < this.length; i++)
        if (this[i] != inobjValue)
        objTmpArray[objTmpArray.length] = this[i];
    var intOut = objTmpArray.length - this.length;
    this.length = 0;
    for (i = 0; i < objTmpArray.length; i++)
        this[i] = objTmpArray[i];
    return intOut;
}
//
Array.prototype.pushValue = function(inobjValue, instrKey) {
    if (instrKey) {
        this[instrKey] = inobjValue;
        return;
    }
    this[this.length] = inobjValue;
}
//
Array.prototype.contains = function(inobjValue) {
    var blnFOUND = false;
    var i = 0;
    while (!blnFOUND && i < this.length) {

        blnFOUND = (this[i++] == inobjValue);
    }
    return blnFOUND;
}

// HELP METHODS
// creates an XMLHttpRequest instance
function createXMLHttpRequestObject() {
    // xmlHttp will store the reference to the XMLHttpRequest object
    var xmlHttp;
    // try to instantiate the native XMLHttpRequest object
    try {
        // create an XMLHttpRequest object
        xmlHttp = new XMLHttpRequest();
    }
    catch (e) {
        // assume IE6 or older
        try {
            xmlHttp = new ActiveXObject("Microsoft.XMLHttp");
        }
        catch (e) { }
    }
    
    // return the created object or display an error message
    if (!xmlHttp)
        alert("Error creating the XMLHttpRequest object.");
    else
        return xmlHttp;
} // createXMLHttpRequestObject

function evalToggle(instrId) {
    var objElement = document.getElementById(instrId);
    objElement.style.display = (objElement.style.display == 'none') ? 'block' : 'none';
}

function init_Page() {
    if (!document.getElementsByTagName) return;
    var a = document.getElementsByTagName('a');
    for (var i = 0; i < a.length; i++) {
        if (a[i].getAttribute('href') && (
                    a[i].getAttribute('rel') == 'nofollow'
                 || a[i].getAttribute('rel') == 'external')) {
            a[i].target = '_blank';
        }
    }
}