// Current language
var curLang;
var showAll;
var scrollPos=null;
var curURL = document.location + ".";

function documentElement(id){
    return document.getElementById(id);
}

function sourceElement(e){
    if (window.event)
        e = window.event;
    return e.srcElement? e.srcElement : e.target;
}

function hsHideBoxes(){
    var pres = document.getElementsByTagName("DIV");
    var pre;

    if (pres) {
        for (var iPre = 0; iPre < pres.length; iPre++) {
            pre = pres[iPre];
            if (pre.className) {
                if (pre.className == "hspopupbubble") {
                    pre.style.visibility = "hidden";
                }
            };
        }
    }
}

function getElementPosition(e){
    var offsetLeft = 0;
    var offsetTop = 0;
    while (e){
        // Allow for the scrolling body region in IE
        if (hsmsieversion() > 4) {
            offsetLeft += (e.offsetLeft - e.scrollLeft);
            offsetTop += (e.offsetTop - e.scrollTop);
        }
        else
        {
            offsetLeft += e.offsetLeft ;
            offsetTop += e.offsetTop;
        }
        e = e.offsetParent;
    }
    if (navigator.userAgent.indexOf('Mac') != -1 && typeof document.body.leftMargin != 'undefined'){
        offsetLeft += document.body.leftMargin;
        offsetTop += document.body.topMargin;
    }
    return {left:offsetLeft,top:offsetTop};
}

function cancelEvent(e){
    e.returnValue = false;
    e.cancelBubble = true;
    if (e.stopPropagation) {
        e.stopPropagation();
        e.preventDefault();
    }
}

function hsBeforePrint(){

    var i;
    var allElements;

    if (window.text) documentElement("text").style.height = "auto";

    allElements = document.getElementsByTagName("*");

    for (i=0; i < allElements.length; i++){
        if (allElements[i].tagName == "BODY") {
            allElements[i].scroll = "yes";
            }
        if (allElements[i].id == "hspagetop") {
            allElements[i].style.margin = "0px 0px 0px 0px";
            allElements[i].style.width = "100%";
            }
        if (allElements[i].id == "hspagebody") {
            allElements[i].style.overflow = "visible";
            allElements[i].style.top = "5px";
            allElements[i].style.width = "100%";
            allElements[i].style.padding = "0px 10px 0px 30px";
            }
        if (allElements[i].id == "hsseealsobutton" || allElements[i].id == "hslanguagesbutton") {
            allElements[i].style.display = "none";
            }
        if (allElements[i].className == "LanguageSpecific") {
            allElements[i].style.display = "block";
            }
        }
}

function hsAfterPrint(){

     document.location.reload();

}

function hsShowSeeAlsoBox(e){

    if (window.event)
        e = window.event;

    hsHideSeeAlso();
    hsHideLanguage();

    var button = sourceElement(e)

    e.returnValue = false;
    e.cancelBubble = true;
    if (e.stopPropagation) {
        e.stopPropagation();
        e.preventDefault();
    }

    var div = documentElement("hsseealsomenu");
    if (div && button) {
        div.style.height = "";
        div.style.left = 3 + "px";
        div.style.top = button.offsetTop + button.offsetHeight + "px";
        div.style.visibility = "visible";
    }

    return false;

}

function hsShowGlossaryItemBox(term,definition,e){

    if (window.event)
        e = window.event;

    hsHideBoxes(e);

    var button = sourceElement(e);
    var documentWidth;
    var documentHeight;
    var boxWidth;
    var pixelLeft;
    var pixelTop;
    var boxHeigt;
    var boxWidth;

    cancelEvent(e);

    var div = documentElement("hsglossaryitembox")
    if (div && button) {

        // Have the browser size the box
        div.style.height = "";
        div.style.width = "";

        // Clear the tooltip so it doesn't appear above the popup
        button.title = "";

        div.innerHTML = "<p><strong>" + term + "</strong><br>" + definition + "</p>";

        pixelTop = getElementPosition(button).top + 14;

        // Check if the box would go off the bottom of the visible area
        documentHeight = document.body.clientHeight;
        boxHeight = div.clientHeight;
        if (pixelTop + boxHeight > documentHeight)
        {
            // If the box won't fit both above and below the link
            //  using the default width then make the box wider
            if (boxHeight >= pixelTop)
                div.style.width = "80%";
            else
                pixelTop = pixelTop - 14 - boxHeight;
        }
        div.style.top = pixelTop + "px";

        documentWidth = document.body.clientWidth;
        boxWidth = div.clientWidth;
        pixelLeft = button.offsetLeft;

        // Check if the box would go off the edge of the visible area
        if (pixelLeft + boxWidth > documentWidth)
        {
            pixelLeft = documentWidth - boxWidth - 5;
        }
        div.style.left = pixelLeft + "px";

        // Show the box
        div.style.visibility = "visible";
    }

}

function hsShowLanguageBox(e){

    if (window.event)
        e = window.event;

    hsHideSeeAlso();
    hsHideLanguage();

    var button = sourceElement(e);

    cancelEvent(e);

    var div = documentElement("hslanguagemenu");
    if (div && button) {
        div.style.height = "";
        div.style.pixelLeft = 0;
        div.style.pixelTop = button.offsetTop + button.offsetHeight;
        div.style.visibility = "visible";
    }
}

function hsSetLanguageFilter(language,e){

    if (window.event)
        e = window.event;

    hsHideSeeAlso();
    hsHideLanguage();

    cancelEvent(e);

    curLang = language;
    hsUpdateLanguageElements();

}

function hsBodyLoad(){

    var cLang;
    var i;
    var b;
    var l;
    var e;

    if (curURL.indexOf("#") != -1)
    {
        var oBanner= documentElement("hspagetop");
        scrollPos = document.body.scrollTop - oBanner.offsetHeight;
    }
    hsResizeBan();
    document.body.onclick = hsBodyClick;
    document.body.onresize = hsBodyResize;

    // Check the context window for current language.
    var cLang;
    try{
        for (i=1; i< window.external.ContextAttributes.Count; i++){
            if(window.external.ContextAttributes(i).Name.toUpperCase()=="DEVLANG"){
                var b = window.external.ContextAttributes(i).Values.toArray();
                cLang = b[0].toUpperCase();
            }
        }
    }
    catch(e){}

    if (cLang != null){
        if (cLang.indexOf("VB")!=-1) curLang = "VB";
        if (cLang.indexOf("VC")!=-1) curLang = "VC";
        if (cLang.indexOf("CSHARP")!=-1) curLang = "CS";
        if (cLang.indexOf("JSCRIPT")!=-1) curLang = "JScript";
    }

    if (curLang == null){
        var l = "";
        var multipleLang = false;
        // Check to see what the help filter is set to.
        try {l = window.external.Help.FilterQuery.toUpperCase();}
        catch(e){}
        if (l.indexOf("VB")!=-1){
            cLang = "VB";
            }
        if (l.indexOf("VC")!=-1){
            if (cLang!=null) multipleLang = true;
            cLang = "VC";
            }
        if (l.indexOf("C#")!=-1){
            if (cLang!=null) multipleLang = true;
            cLang = "CS";
            }
        if (l.indexOf("CSHARP")!=-1){
            if (cLang!=null) multipleLang = true;
            cLang = "CS";
            }
        if (l.indexOf("JSCRIPT")!=-1){
            if (cLang!=null) multipleLang = true;
            cLang = "JScript";
            }
        if (multipleLang==false) curLang = cLang;
    }

    if (curLang != null)
        showAll = false;

    hsUpdateLanguageElements();

    window.onbeforeprint = hsBeforePrint;
    window.onafterprint = hsAfterPrint;

}

function hsUpdateLanguageElements(){

    if (!curLang) return;

    var pres = document.getElementsByTagName("DIV");
    var pre;

    if (pres) {
        for (var iPre = 0; iPre < pres.length; iPre++) {
            pre = pres[iPre];
            if (pre.Name && pre.className) {
                if (pre.className == "LanguageSpecific") {
                    if (pre.Name.toUpperCase().indexOf(curLang.toUpperCase()) != -1 || curLang == "All") {
                        pre.style.display = "block";
                    }
                    else {
                        pre.style.display = "none";
                    };
                }
            };
        }
    }

}

function hsBodyResize(){
    hsResizeBan();
}

function hsBodyClick(){
    hsHideBoxes();
    hsResizeBan();
}

function hsHideSeeAlso(){
    if (documentElement("dxseealsomenu")) {
        documentElement("hsseealsomenu").style.visibility = "hidden";
    };
}


function hsHideLanguage(){
    if (documentElement("dxlanguagemenu")) {
        documentElement("hslanguagemenu").style.visibility = "hidden";
    };
}

function hsResizeBan(){

    if (hsmsieversion() > 4)
    {
        try
        {

            if (document.body.clientWidth==0) return;
            var oBanner= documentElement("hspagetop");
            var oText= documentElement("hspagebody");
            if (oText == null) return;
            var oBannerrow1 = documentElement("hsprojectnamebanner");
            var oTitleRow = documentElement("hspagetitlebanner");
            if (oBannerrow1 != null){
                var iScrollWidth = hsbody.scrollWidth;
                oBannerrow1.style.marginRight = 0 - iScrollWidth;
            }
            if (oTitleRow != null){
                oTitleRow.style.padding = "0px 10px 0px 22px; ";
            }
            if (oBanner != null){
                document.body.scroll = "no"
                oText.style.overflow= "auto";
                oBanner.style.width= document.body.offsetWidth-2;
                oText.style.paddingRight = "20px"; // Width issue code
                oText.style.width= document.body.offsetWidth-4;
                oText.style.top=0;
                if (document.body.offsetHeight > oBanner.offsetHeight)
                    oText.style.height= document.body.offsetHeight - (oBanner.offsetHeight+4)
                else oText.style.height=0
                if(scrollPos!=null)
                {
                    oText.scrollTop = scrollPos;
                    scrollPos = null;
                }
            }
            try{nstext.setActive();} //allows scrolling from keyboard as soon as page is loaded. Only works in IE 5.5 and above.
            catch(e){}

        }
        catch(e){}
    }
}

function hsmsieversion()
// Return Microsoft Internet Explorer (major) version number, or 0 for others.
// This function works by finding the "MSIE " string and extracting the version number
// following the space, up to the decimal point for the minor version, which is ignored.
{
    var ua = window.navigator.userAgent
    var msie = ua.indexOf ( "MSIE " )

    if ( msie > 0 )        // is Microsoft Internet Explorer; return version number
        return parseInt ( ua.substring ( msie+5, ua.indexOf ( ".", msie ) ) )
    else
        return 0    // is other browser
}

/* Begin Copy Code */

function copyCode(key)
{
    var t = getTABLE(key);
    var trElements = t.getElementsByTagName("tr");
    for(var i=0; i < trElements.length; ++i)
    {
        if(getTABLE(key) == getTABLE(trElements[i]) && getTR(key) != trElements[i])
        {
            try
            {
                window.clipboardData.setData("Text", trElements[i].innerText);                
            }
            catch(e)
            {
                alert("Copy Code to clipboard is only supported in Internet Explorer");
            }
            break;
        }
    }
}

function getTR(obj)
{
    while(obj)
    {
        if(obj.tagName == "TR")
            return obj;
        else
            obj = obj.parentElement;
    }
}

function getTABLE(obj)
{
    while(obj)
    {
        if(obj.tagName == "TABLE")
            return obj;
        else
            obj = obj.parentElement;
    }
}

function changeCopyCodeIcon(key,highlight)
{
    var imageElements = document.getElementsByName("ccImage");

    for(var i=0; i<imageElements.length; ++i)
    {
        try
        {
            if(imageElements[i].parentElement == key)
            {
                if(highlight)
                {
                    imageElements[i].src = documentElement("copyHoverImage").src;
                }
                else
                {
                    imageElements[i].src = documentElement("copyImage").src;
                }
            }
        }
        catch(e)
        {
        }
    }
}

function copyCode_CheckKey(key)
{
    var e;

    if (window.event)
    {
        e = window.event;
    }

    if(e.keyCode == 13)
    {
        copyCode(key);
    }
}

/* End Copy Code */