/************************************
  REVISION LOG ENTRY
  Revision By: Mihai Filimon ( mfl@exontrol.com )
  Created on 3/12/2018 10:00:00 AM

  Comments: faq.js, faq.css
 
  This code may be used in compiled form in any way you desire. This
  file may not be redistributed modified or unmodified without the authors
  written consent.
  ************************************/

var bDisableShowFilterBoxInfo = false;
var filterFrameParam = "FR";
var filterParam = "F";
var filterQuestionOnlyParam = "Q";
var filterWordOnlyParam = "W";
var expandParam = "E";
var vtQuestionOnlyClass = "question-only";
var vtWordOnlyClass = "word-only";
var scrollToQuestion = null;
var expandFirstItem = null;

window.onload = loadPage;
window.onclick = clickWindow;
window.onresize = resizeWindow;
window.onscroll = scrollWindow;

if ( !hasFilter() )
    document.onreadystatechange = readyStateChange;

var collapsedSections = new Array();
var collapsedSectionsInitialized = false;

function getURLHash( sURL )
{
	var i = sURL.indexOf('#');
	if ( i > 0 )
		return sURL.substr( i + 1 );
	return null;
}

function removeURLHash(sURL)
{
	var i = sURL.indexOf( "#" );
	if ( i >= 0 )
		sURL = sURL.substr( 0, i );
	return sURL;
}

function getURLParam( sURL, Param )
{
	var i = sURL.indexOf('#');
	sURL = i === -1 ? sURL : sURL.substr(0, i);

	if (sURL.indexOf("?") > 0 )
	{
		var arrParams = sURL.split("?");
		var arrURLParams = arrParams[1].split("&");
		var arrParamNames = new Array(arrURLParams.length);
		var arrParamValues = new Array(arrURLParams.length);
		var i = 0;
		
		for (i = 0; i < arrURLParams.length; i++)
		{
			var sParam = arrURLParams[i].split("=");
			arrParamNames[i] = sParam[0];
			if (sParam[1] != "")
				arrParamValues[i] = unescape(sParam[1]);
			else
				arrParamValues[i] = "";
		}
		
		for ( i = 0 ; i < arrURLParams.length; i++)
			if (arrParamNames[i] == Param)
				return arrParamValues[i];
	}
	return null;
}

function addURLParam(sURL, Param, Value)
{
	return updateURLParameter( sURL, Param, Value );
}

function removeURLParam(sURL, Param)
{
	return updateURLParameter( sURL, Param, null );
}

function updateURLParameter(uri, key, value)
{
	var i = uri.indexOf('#');
	var hash = i === -1 ? ''  : uri.substr(i);
	uri = i === -1 ? uri : uri.substr(0, i);

	var re = new RegExp("([?&])" + key + "=.*?(&|$)", "i");
	var separator = uri.indexOf('?') !== -1 ? "&" : "?";
	if ( value )
	{
		value = value.trim();
		if (uri.match(re))
			uri = uri.replace(re, '$1' + key + ( value.length ? ("=" + value) : "" ) + '$2');
		else
			uri = uri + separator + key + ( value.length ? ("=" + value) : "" );
	}
	else
	{
		uri = uri.replace( new RegExp("[?&]?" + key + "=[^&]*", "i"), '' );
		if (uri.slice(-1) === '?')
			uri = uri.slice(0, -1);

		if (uri.indexOf('?') === -1)
			uri = uri.replace(/&/, '?'); // replace first occurrence of & by ? if no ? is present
	}

  return uri + hash;
}

function getIFrameURL( sURL )
{
	if ( sURL )
	{
		var bGeneralFAQ = sURL.indexOf("/gfaq.jsp") == 0;
		if ( bGeneralFAQ )
			sURL = sURL.replace("/gfaq.jsp", "/content/support/faq/" );
		else
		{
			bGeneralFAQ = ( sURL.indexOf("/sg.jsp?content=support/faq/") == 0 );
			if ( bGeneralFAQ )
				sURL = sURL.replace("/sg.jsp?content=support/faq/", "/content/support/faq/");
		}
		if ( bGeneralFAQ )
		{
			if ( sURL.search( /(\\|\/)$/ ) < 0 ) // no \ / adds one
				sURL += "/";
			sURL += "index.jsp";
		}
	}
	return sURL;
}

function fixURLQuery( sURL )
{
	if ( sURL )
	{
		sURL = sURL.replace("?","&");
		var i = sURL.indexOf( "&" );
		if ( i >= 0 )
			sURL = sURL.substr( 0, i ) + "?" + sURL.substr( i + 1 );
	}
	return sURL;
}

function getURL( sURL )
{
	if ( sURL )
	{
		if ( sURL.indexOf("/content/products/") >= 0 )
		{
			sURL = sURL.replace("?","&");
			sURL = sURL.replace("/content/products/","/howto.jsp?product=");
			sURL = sURL.replace("/howto/how_to_do_","&lang=");
			sURL = sURL.replace(".htm", "");
			sURL = fixURLQuery( sURL );
		}
		else
			if ( sURL.indexOf("/content/support/faq/") >= 0 )
			{
				sURL = sURL.replace("?","&");
				sURL = sURL.replace("/content/support/faq/index.jsp","/gfaq.jsp");
				sURL = sURL.replace("/content/support/faq/","/sg.jsp?content=support/faq/");
				sURL = sURL.replace("index.jsp","");
				sURL = fixURLQuery( sURL );
			}
	}
	return sURL;
}

function getURLFAQ()
{
	var sURL = document.URL.toString();
		sURL = removeURLParam( sURL, filterFrameParam );
		sURL = getURL( sURL );
	return sURL;
}

function clickPage(anchor)
{
	var f = Filter.value;
	if ( f.length != 0 )
		if ( f != "Filter for..." )
			anchor.href += "?F=" + f;
}

function nextID(el)
{
	var c = el.nextElementSibling;
	if ( c )
	{
		while ( c && ( el.id != c.id ) )
			c = c.nextElementSibling;
		return c;
	}
    var c = el.nextSibling;
	while ( c && ( ( c.nodeType != 1 ) || ( el.id != c.id ) ) )
		c = c.nextSibling;
    return c;
}

function isFrameFilterFor()
{
	var fr = getURLParam( document.URL, filterFrameParam );
	if ( fr != null )
		return fr != "";
	return false;
}

function isFilterForQ()
{
	var frQ = getURLParam( document.URL, filterQuestionOnlyParam );
	if ( frQ != null )
		return frQ == "only";
	return false;
}

function isFilterForW()
{
	var frW = getURLParam( document.URL, filterWordOnlyParam );
	if ( frW != null )
		return frW == "only";
	return false;
}

function getFilterFor( e )
{
	var o = e.textContent;
	if ( o != null )
		return o;
	return e.innerText;
}

function getFilterForQ( e )
{
	var c = e.children;
	return getFilterFor(c[0]) + getFilterFor( c[1].firstElementChild );
}

function filterFor(text)
{
	onLayoutHeader();

	CollapseAll( document.getElementById("toggleAllImage") );

	var nResults = 0;
	var o = document.getElementById("question");

	if ( text.length == 0 )
	{
		while ( o != null )
		{
			o.style.display = "";
			o = nextID(o);
		}

		if ( !isFrameFilterFor() )
		{
			var p = document.getElementById("pages");
			if ( p != null )
				p.style.display = "";
			var c = document.getElementById("continue");
			if ( c != null )
			{
				c.innerHTML = "";
				c.style.display = "none";
			}
		}
	}
	else
	{
		//  Shows only the items that match
		text = text.toLowerCase();
		
		var rgFilter = new Array();
			var rgAlternatives = text.split(",");
			var aCount = rgAlternatives.length;
			for ( var a = 0; a < aCount; a++ )
			{
				var rgAlternative = new Array();

					var rgFields = rgAlternatives[a].split(" ");
					var fCount = rgFields.length;
					for ( var f = 0; f < fCount; f++ )
					{
						var sField = rgFields[f].replace(" ","");
						if ( sField.length )
							rgAlternative.push( sField );
					}

				if ( rgAlternative.length )
					rgFilter.push( rgAlternative );
			}

		var l = rgFilter.length;
		if ( l > 0 )
		{
			var bFilterForQ = isFilterForQ(), bFilterForW = isFilterForW();

			while ( o != null )
			{
				var s = bFilterForQ ? getFilterForQ(o) : getFilterFor(o);
				s = s.toLowerCase();
			
				var bVisible = false;
				for ( var j = 0; !bVisible && ( j < l ); j++ )
				{
					var i = 0, iCount = rgFilter[j].length;
					for ( i = 0; i < iCount; i++ )
					{
						var w = rgFilter[j][i];
						if ( bFilterForW )
						{
							if ( s.search("\\b" + w + "\\b") == -1 )
								break
						}
						else
							if ( s.indexOf(w) == -1)
								break;
					}
					bVisible = i == iCount;

				}
				o.style.display = bVisible ? "" : "none";
				
				if ( bVisible )
					nResults++;

				o = nextID(o);
			}
		}

		//  Show additional information
		if ( !isFrameFilterFor() )
		{
/*
			var p = document.getElementById("pages");
			if ( p != null )
				p.style.display = "none";
*/
			var c = document.getElementById("continue");
			if ( c != null )
			{
				var iFrame = "";
				{
					var f = Filter.value, iFrames = 0;
					if ( f.length != 0 )
					{
						var p = document.getElementById("page");
						while ( p != null )
						{
							if (p.id=="page" )
							{
								var s = p.getAttribute("href");
								if ( s )
									if ( s.length )
									{

										s = getIFrameURL( s );
										s += ( ( s.indexOf("?") > 0 ) ? "&" : "?" ) + filterFrameParam + "=" + f;
										if ( isFilterForQ() )
											s += "&" + filterQuestionOnlyParam + "=only";
										if ( isFilterForW() )
											s += "&" + filterWordOnlyParam + "=only";

										iFrame += "<iframe src=\"" + s + "\" frameborder=\"0\" style=\"overflow: hidden; width: 100%; height: 0; visibility: hidden;\" onload=\"LoadFrame(this)\"></iframe>";
										iFrames++;
									}
							}
							p = nextID(p);
						}
						
						try
						{
							localStorage.setItem("mainSectionFrames", iFrames );
							startFilterFrames();
							if ( iFrames == 0 )
								endFilterFrames();
						}
						catch (err)
						{
						}

					}
				}
				c.innerHTML = iFrame;
				c.style.display = "";
			}
		}
	}

	var footer = document.getElementById("footerInfo");
	if ( footer != null )
	{
		var info = "", oInfo = "<div id=\"footerInfo\"><p><%INFO%></p></div>";
		var nURL = getURLFAQ();
		if ( nURL.length > 0 )
		{
			nURL += ( nURL.indexOf("?") > 0 ) ? "&" : "?";
			nURL += "F="+ escape(text);
			if ( isFilterForQ() )
			{
				nURL += ( nURL.indexOf("?") > 0 ) ? "&" : "?";
				nURL += filterQuestionOnlyParam + "=only";
			}
			if ( isFilterForW() )
			{
				nURL += ( nURL.indexOf("?") > 0 ) ? "&" : "?";
				nURL += filterWordOnlyParam + "=only";
			}
			nURL = updateGlobalURL( nURL );
		}
		if ( text.length != 0 )
		{
			if ( nResults == 0 )
				info = "<font id=\"error\">no result(s)";
			else
				info += nResults.toString() + " result(s)";
			if ( nURL.length > 0 )
				info += ", at <a title='" + nURL + "' href='" + nURL + "' target=\"_blank\">" + nURL + "</a>";
		}
		oInfo = oInfo.replace( "<%INFO%>", info );
		footer.outerHTML = oInfo;
	}
}

function wait()
{
}
					    
function InitCollapsedSections()
{
    var i = 0;
    var imageId = Load("imageValue" + i);
		
    while (imageId != null)
    {
    	collapsedSections[imageId] = "not expanded";
	i++;
	imageId = Load("imageValue" + i);
    }
}

var noReentry = false;

function OnLoadImage()
{
    if (noReentry) 
	return;
    if (!collapsedSectionsInitialized)
    {
	InitCollapsedSections();
	collapsedSectionsInitialized = true; 
    }
    
    elem = event.srcElement;
        
    if (ShouldExpand(elem))
    {
        noReentry = true;
        
        try
        {
    	    elem.src = collapseImage.src;
			ExpandSection(elem);
  			RemoveCollapsedItem(elem.id);
			collapsedSections[elem.id] = "expanded";
        }
        catch (e)
        {
        }
        
        noReentry = false;
    }
}

function ShouldExpand(elem)
{
    return (collapsedSections[elem.id] == null) || (Load("IsFirstPage") == null);
}

/*	
**********
**********   Begin
**********
*/

function LoadFrame(frame)
{
	var doc = null;
	try
	{
		doc = frame.contentDocument || frame.contentWindow.document;
	}
	catch ( e )
	{
	}

	if ( doc != null )
		frame.style.height = getMainSectionHeight(doc);
	else
	{
		try
		{
			frame.style.height = localStorage.getItem("mainSectionHeight");
		}
		catch ( e )
		{
		}
	}

	try
	{
		frame.style.visibility = "visible";

		if ( doc != null )
		{
			try
			{
				var rgA = doc.getElementsByTagName("A");
				if ( rgA )
				{
					for ( var i = 0; i < rgA.length; i++ )
					{
						var a = rgA[i];
						if ( a.getAttribute("target") == null )
							a.setAttribute( "target", "_top" );
					}
				}
			}
			catch( err )
			{
			}
		}


		var iFrames = localStorage.getItem("mainSectionFrames");
		if ( iFrames )
		{
			iFrames--;
			localStorage.setItem("mainSectionFrames", iFrames);
			if ( iFrames == 0 )
				endFilterFrames();
		}
	}
	catch(err)
	{
	}
}

function startFilterFrames()
{
	var mainSection = document.getElementById("mainSection");
	if ( mainSection )
	{
		//mainSection.style.opacity = .5;

		var bottomTable = document.getElementById("bottomTable");
		if ( bottomTable )
		{
			//bottomTable.style.opacity = .5;

			var wait = document.getElementById("wait");
			if ( wait == null )
			{
				var newImage = document.createElement("IMG");

					newImage.id = "wait";
					newImage.className = "wait";
					newImage.src = "http://www.exontrol.com/images/wait.gif";
					newImage.style.top = Math.max( 32, mainSection.offsetTop ) + "px";

				mainSection.parentElement.insertBefore( newImage, mainSection );
			}
			else
			{
				wait.style.display = "block";
				wait.style.top = mainSection.offsetTop + "px";
			}
		}
	}
}

function endFilterFrames()
{
	resetFilterFrames();
}

function resetFilterFrames()
{
	var mainSection = document.getElementById("mainSection");
	if ( mainSection )
	{
		mainSection.style.opacity = 1;

		var bottomTable = document.getElementById("bottomTable");
		if ( bottomTable )
			bottomTable.style.opacity = 1;

		var wait = document.getElementById("wait");
		if ( wait != null )
			wait.style.display = "none";
	}
	onLayoutHeader();
}


function getMainSectionHeight( doc )
{
	var h = 0, e;

	e = doc.getElementById("mainSection");
	if ( e )
		h += e.clientHeight;

	return h + "px";
}

function addLineNumbers()
{
    var pre = document.getElementsByTagName('pre'), pl = pre.length;
    for (var i = 0; i < pl; i++)
		addLineNumber( pre[i] );
}

function addLineNumber( p )
{
	p.innerHTML = p.innerHTML.trim();
	var num = p.innerText.replace(/\s+$/g, "").split(/\n/).length;
	if ( num > 1 )
	{
		if ( num > 16 )
			p.className += " lesscode";

		p.innerHTML = '<span class="line-number"></span>' + p.innerHTML;
		var j = 0;
		for (j = 0; j < num; j++)
		{
			var line_num = p.getElementsByTagName('span')[0];
			line_num.innerHTML += '<span>' + (j + 1) + '</span>';
		}

		if ( num > 16 )
		{
			try
			{
				var rgBold = p.getElementsByTagName("B");
				if ( rgBold )
					if ( rgBold.length > 0 )
						p.scrollTop = Math.max( 0, (rgBold[0].offsetTop - p.offsetTop) - p.clientHeight/2 ); // scrolls the highligted elements to the center of the <pre>
			}
			catch( err )
			{
			}
		}
	}
}

function replaceURL( sURL )
{
	try
	{
		window.history.replaceState(null,null,sURL);
		sURL = getURL( sURL );
		window.parent.history.replaceState(null,null,sURL);
	}
	catch( err )
	{
	};
}

function SetFilterPlaceHolder()
{
	var vtFilter = document.getElementById("Filter");
	if ( vtFilter )
	{
		vtFilter.placeholder = "Filter For...";
		vtFilter.value = "";
		vtFilter.title = "The space separator indicates AND between words, while comma specifies OR between words.";
		vtFilter.onkeypress = function(e) {
			if ( e )
				if ( e.keyCode == 13 )
				{
					filterFor( this.value );
					onClickGo();
				}
		}

		var vtFilterQuestionOnly = document.getElementById("btnFilterQuestionOnly");
		if ( vtFilterQuestionOnly == null )
		{
			var x = document.createElement("SPAN");
				x.appendChild( document.createTextNode("Full") );
			x.name = "btnFilterQuestionOnly";
			x.title = "The filter is applied to the full content, else the filter is applied to the visible-content only.";
			x.id = "btnFilterQuestionOnly";
			x.className = isFilterForQ() ? "" : vtQuestionOnlyClass;
			x.onclick = function( e ){
					if ( e )
						if ( e.target )
						{
							var sURL = document.URL;
								if ( e.target.className == vtQuestionOnlyClass )
									sURL = addURLParam( sURL, filterQuestionOnlyParam, "only" );
								else
									sURL = removeURLParam( sURL, filterQuestionOnlyParam );
							replaceURL( sURL );				

							var xClass = "";
							if ( e.target.className.indexOf( vtQuestionOnlyClass ) < 0 )
								xClass = vtQuestionOnlyClass;
							e.target.className = xClass;
						}
				};

			vtFilter.parentElement.insertBefore( x, document.getElementById("btnFilter") );
		}

		var vtFilterWordOnly = document.getElementById("btnFilterWordOnly");
		if ( vtFilterWordOnly == null )
		{
			var x = document.createElement("SPAN");
				x.appendChild( document.createTextNode("Word") );
			x.name = "btnFilterWordOnly";
			x.title = "The filter searches for any, else it searches for the exact word.";
			x.id = "btnFilterWordOnly";
			x.className = isFilterForW() ? vtWordOnlyClass : "";
			x.onclick = function( e ){
					if ( e )
						if ( e.target )
						{
							var sURL = document.URL;
								if ( e.target.className != vtWordOnlyClass )
									sURL = addURLParam( sURL, filterWordOnlyParam, "only" );
								else
									sURL = removeURLParam( sURL, filterWordOnlyParam );
							replaceURL( sURL );				

							var xClass = "";
							if ( e.target.className.indexOf( vtWordOnlyClass ) < 0 )
								xClass = vtWordOnlyClass;
							e.target.className = xClass;
						}
				};

			vtFilter.parentElement.insertBefore( x, document.getElementById("btnFilter") );
		}

	}
}

function SetActivePage()
{
	var pages = document.getElementById("pages");
	if ( pages )
	{
		var sURL = document.URL.toString(), p = pages.children;
		for ( var i = 0; i < p.length; i++ )
		{
			var hP = p[i].getAttribute("href");
			if ( sURL.indexOf( hP ) >= 0 )
			{
				p[i].removeAttribute("href");
				p[i].removeAttribute("title");
				p[i].className = "active";
			}
		}
	}
}

function getToggleCount()
{
	var vtResult = 0;
	expandFirstItem = null;
	try
	{
		var rgToggle = document.getElementsByClassName("toggle");
		vtResult = rgToggle.length;
		if ( vtResult > 0 )
			if ( vtResult < 16 )
				expandFirstItem = rgToggle[0];
	}
	catch( err )
	{
	}
	return vtResult;
}

function SetFilterBoxInfo()
{
	var btnFilter = document.getElementById("btnFilter");
	if ( btnFilter )
	{
		var newSpan = document.createElement("SPAN");
			var textnode = document.createTextNode( "Enter here the keywords you are looking for, separated by spaces or commas, and then press Enter key or click the Go button." );
			newSpan.appendChild(textnode);  
		newSpan.className = "arrow-box";
		newSpan.id = "filter-arrow-box";
		btnFilter.parentElement.insertBefore( newSpan, btnFilter );

		if ( getToggleCount() > 16 )
		{
			var filterFor = document.getElementById("Filter");
			if ( filterFor )
				setTimeout(function(){ showFilterBoxInfo(); }, 1000);
		}
	}
}

function setSessionItem( item, value )
{
	try
	{
		window.sessionStorage.setItem(item, value);
	}
	catch( err )
	{
	};
}

function getSessionItem( item )
{
	try
	{
		return window.sessionStorage.getItem( item );
	}
	catch( err )
	{
	};
	return null;
}

function removeSessionItem( item )
{
	try
	{
		window.sessionStorage.removeItem( item );
	}
	catch( err )
	{
	};
}

function showFilterBoxInfo()
{
	if ( getSessionItem("showFilterBoxInfo") == null )
	{
		if ( !bDisableShowFilterBoxInfo )
		{
			var bContinue = true, filterFor = document.getElementById("Filter");
			if ( filterFor )
				bContinue = filterFor != document.activeElement;

			if ( bContinue )
			{
				var filterInfo = document.getElementById("filter-arrow-box");
				if ( filterInfo )
				{
					setSessionItem("showFilterBoxInfo", "show");
					filterInfo.className = "arrow-box-show";
					setTimeout(function(){ hideFilterBoxInfo(); }, 6000);
				}
			}
		}
	}
}

function hideFilterBoxInfo()
{
	var filterInfo = document.getElementById("filter-arrow-box");
	if ( filterInfo )
		filterInfo.className = "arrow-box-hide";
}

function hasFilter()
{
    return getURLParam(document.URL, filterParam) || getURLParam(document.URL, filterFrameParam);
}

function loadPage()
{
    if ( true )
    {
		var bApplyFilter = false, vtFilter = document.getElementById("Filter");
		var sF = hasFilter();
		if ( sF != null )
			if ( sF.length > 0 )
				bApplyFilter = (vtFilter != null);

		SetActivePage();
		SetFilterPlaceHolder();
		SetCollapseAll();
		ExpandCollapseAll( document.getElementById("toggleAllImage") );
		if ( bApplyFilter )
		{
			vtFilter.value = sF;
			filterFor(sF);
		}

		if ( !bApplyFilter )
			SetFilterBoxInfo();
	}
    else
		SetToggleAllLabel( false );
    
    // vs70.js did this to allow up/down arrow scrolling, I think
    try { mainSection.setActive(); } catch(e) { }

    // make body visible, now that we're ready to render
	var sBody = "";
	if ( isFrameFilterFor() )
	{
		if ( document.getElementById("error") != null )
			sBody = "none";
		else
		{
			var h = document.getElementById("header");
			if ( h != null )
				h.style.display = "none";
			var f = document.getElementById("footer");
			if ( f != null )
				f.style.display = "none";
		}
	}
    document.body.style.display = sBody;
	parent.document.body.onhashchange = hashChange;
    
	if ( isFrameFilterFor() )
	{
		try
		{
			localStorage.setItem("mainSectionHeight", getMainSectionHeight( document ) );
		}
		catch (e)
		{
		}
	}

	onLayoutHeader();
	ensureVisibleHash();

}

function ensureVisibleHash()
{
	try
	{
		var sURL = parent.document.URL, sHash = getURLHash(sURL);
		
		var e = getURLParam( sURL, expandParam ), eID = null;
		if ( e )
			eID = "Img" + e;
		
		if ( sHash )
		{
			var vtElementsHash = parent.document.getElementsByName(sHash), bFound = false;
			if ( vtElementsHash.length )
			{
				var vtTR = vtElementsHash[0];
				while ( vtTR && vtTR.tagName != "TR" )
					vtTR = vtTR.parentElement;
				if ( vtTR )
					if ( vtTR.id == "question" )
					{
						var eIMG = vtTR.firstElementChild.firstElementChild;
						if ( eIMG )
							if ( eIMG.tagName == "IMG" )
							{
								eID = eIMG.id;
								bFound = true;
							}
					}
			}
			if ( !bFound )
				if ( e == null )
					eID = "Img" + sHash;

		}

		if ( eID )
		{
			var img = parent.document.getElementById( eID );
			if ( img )
			{
				img.parentElement.parentElement.style.display = ""; // if hash inside the page, and it is filter, it requires to be visible!
				ExpandItem( img );
				scrollToQuestion = img.parentElement.parentElement;
				if ( scrollToQuestion )
				{
					setTimeout( function()
							{
								try
								{
									if ( scrollToQuestion )
										parent.window.scrollTo( 0, scrollToQuestion.offsetTop );
									scrollToQuestion = null;
								}
								catch (err)
								{
								}
							}, 100 );
				}
			}
		}
		else
			if ( expandFirstItem != null ) // set by getToggleCount
			{
				ExpandItem(expandFirstItem);
				expandFirstItem = null;
			}

	}
	catch (err)
	{
	}
}

function onLayoutHeader()
{
/*
	var header = document.getElementById("header");
	if ( header )
	{
		var mainSection = document.getElementById("mainSection");
		if ( mainSection )
		{
			var headerTableRow2 = document.getElementById("headerTableRow2");
			if ( headerTableRow2 )
			{
				var pages = document.getElementById("pages");
				if ( 1 || window.pageYOffset || getURLParam( document.URL, expandParam ) || document.getElementById("Filter").value || headerTableRow2.style.whiteSpace.length )
				{
					if ( pages )
					{
						pages.style.cssFloat = "right";
						pages.style.position = "relative";
						pages.style.marginBottom = "-" + (pages.clientHeight) + "px";
						pages.style.borderBottom = "0px";
					}

					headerTableRow2.style.whiteSpace = "nowrap";
					header.style.position = "fixed";

					// offsets-down all from mainSection
					var e = mainSection, t = header.clientHeight + "px";
					while ( e )
					{
						e.style.position = "relative";
						e.style.top = t;

						e = e.nextElementSibling;
					}
				}
				else
				{
					if ( pages )
					{
						pages.style.cssFloat = "";
						pages.style.position = "";
						pages.style.marginBottom = "";
						pages.style.borderBottom = "";
					}
					headerTableRow2.style.whiteSpace = "";
					header.style.position = "";
					mainSection.style.position = "";
					mainSection.style.top = "";
				}
			}
		}
	}
*/
}

function resizeWindow( e )
{
	onLayoutHeader();
}

function scrollWindow( e )
{
	onLayoutHeader();
	hideFilterBoxInfo();
}

function readyStateChange(e)
{
	document.body.style.display = "block";
}

function hashChange()
{
	ensureVisibleHash();
}

function clickWindow( e )
{
	var bHideFilterBoxInfo = true;

	var tag = e.target.tagName;
	if ( tag )
	{
		if ( tag == "INPUT" )
		{
			var name = e.target.name;
			if ( name )
				if ( name == "btnFilter" )
				{
					bHideFilterBoxInfo = false;
					onClickGo();
				}
				else
					if ( name == "btnClear" )
						onClickClear();
		}
		else
			if ( tag == "IMG" )
			{
				var p = e.target.parentElement.parentElement;
				if ( p != null )
					if ( p.className == "code" )
						previewImg( e.target );
			}
			else
			{
				if ( e.offsetY < 8 )
				{
					if ( tag == "PRE" ) // select code
						selectCode(e.target);
					else
						if ( tag == "P" ) // toggle preview
							previewImg( e.target.firstElementChild );
				}
				else
					if ( tag == "PRE" )
					{
						if ( e.offsetY > e.target.clientHeight - 8 ) // copy
							copyToClipboard( e.target );
					}
					else
						if ( tag == "DIV" ) // share code
							if ( e.offsetY > e.target.clientHeight )
								shareCode( e.target );
			}
	}

	if ( bHideFilterBoxInfo )
		hideFilterBoxInfo();

	bDisableShowFilterBoxInfo = true;

}

function onClickGo()
{
	var sURL = document.URL, sOURL = sURL;
	var filterFor = document.getElementById("Filter").value;
	if ( ( filterFor == null ) || ( filterFor.length == 0 ) )
	{
		bDisableShowFilterBoxInfo = false;
		removeSessionItem("showFilterBoxInfo");
		showFilterBoxInfo();
		sURL = removeURLParam(sURL, filterParam);
	}
	else
		sURL = addURLParam(sURL, filterParam, filterFor);
	if ( sOURL != sURL )
		replaceURL( sURL );				
}

function onClickClear()
{
	resetFilterFrames();
	window.scrollTo( 0, 0 );

	var sURL = document.URL;
		sURL = removeURLHash(sURL);
		sURL = removeURLParam(sURL, filterParam);
		sURL = removeURLParam(sURL, expandParam);
	replaceURL( sURL );				
}

function selectURL( sURL )
{
	if ( sURL )
	{
		try
		{
			window.parent.parent.location = sURL;
		}
		catch ( err )
		{
		}
	}
}

function updateGlobalURL( sURL )
{
	if ( sURL )
	{
		try
		{
			var sProduct = "product";
			var vtProduct = getURLParam( window.parent.parent.location.href, sProduct );
			if ( vtProduct )
				sURL = addURLParam( sURL, sProduct, vtProduct );
/*
			var sContent = "content";
			var vtContent = getURLParam( window.parent.parent.location.href, sContent );
			if ( vtContent )
				sURL = addURLParam( sURL, sContent, vtContent );
*/
		}
		catch ( err )
		{
		}
	}
	return sURL;
}


function shareCode( div )
{
	if ( div )
	{
		try
		{
			var sURL = getURL( location.href.replace( filterFrameParam+"=",filterParam+"=" ) ); /*replace the FR with F*/
			sURL = removeURLHash(sURL);

			// shares the hash, in case it contains <a name />
			var sHash = null;
			if ( div.children.length )
			{
				var a = div.children[0];
				if ( a.tagName == "A" )
				{
					sHash = a.getAttribute("name");
					if ( sHash )
						if ( sHash.length )
							sURL += "#" + sHash;
				}
			}

			if ( sHash == null ) // shares the E instead
			{
				var sE = div.parentElement.parentElement.firstElementChild.innerText.replace(":","").replace(" ","");
				sURL = addURLParam( sURL, expandParam, sE );
			}

			if ( isFilterForQ() )
				sURL = addURLParam( sURL, filterQuestionOnlyParam, "only" );

			if ( isFilterForW() )
				sURL = addURLParam( sURL, filterWordOnlyParam, "only" );

			sURL = updateGlobalURL(sURL);

			selectURL( sURL );
		}
		catch ( err )
		{
		}
	}
}

function previewImg( img )
{
	if ( img )
	{
		img.className = img.className.length == 0 ? "preview" : "";
/*
		if ( img.style.height == "auto" )
		{
			img.style.maxHeight = e.target.style.height;
			img.style.height = e.target.style.height;
			img.style.opacity = 0.5;
		}
		else
		{
			img.style.maxHeight = "600%";
			img.style.height = "auto";
			img.style.opacity = 1;
		}
*/
	}
}

function addTogglePreview( img )
{
	if ( img )
	{
		var p = img.parentElement;
		if ( p )
			if ( p.tagName == "P" )
				if ( p.className.length == 0 )
					if ( img.height > 128 )
						p.className = "preview";
	}
}

function selectCode( e )
{

	var sel = window.getSelection();
	if (sel)
	{
		sel.removeAllRanges();

		var range = document.createRange();

		try
		{
			var span = e.firstChild, s = span;
			if ( span )
				if ( span.tagName == "SPAN" )
					if ( span.className == "line-number" )
						s = span.nextSibling;
			range.setStartBefore(s);
			range.setEndAfter(e.lastChild);

		}
		catch( er )
		{
			var span = e.firstChild;
			if ( span )
				if ( span.tagName == "SPAN" )
					if ( span.className == "line-number" )
						span.style.display = "none";

			range.selectNodeContents(e);
		};
		sel.addRange(range);
	}
}

function copyToClipboard(e)
{
	var bSuccess = false;
	var sel = window.getSelection();
	if (sel)
	{
		selectCode(e);
		if ( bSuccess = document.execCommand('copy') )
			sel.removeAllRanges();
	}
	return bSuccess;
}

var collapsedItems = new Array();

function ExpandItem(imageItem)
{
	if ( imageItem )
	{
		imageItem.src = collapseImage.src;
		ExpandSection(imageItem);
		RemoveCollapsedItem(imageItem.id);

		onExpandCollapse();
	}
}

function CollapseItem(imageItem)
{
	if ( imageItem )
	{
		imageItem.src = expandImage.src;
		CollapseSection(imageItem);
		AddCollapsedItem(imageItem.id);

		onExpandCollapse();
	}
}

function onExpandCollapse()
{
	SetCollapseAll();

	if ( isFrameFilterFor() )
	{
		try
		{
			var f = window.frameElement;
			if ( f != null )
				f.style.height = getMainSectionHeight( document );
		}
		catch (e)
		{
		}
	}
}

function ExpandCollapse(imageItem)
{
	if ( imageItem )
	{
		var bContinue = true;
		try
		{
			if ( event )
				if ( event.target.tagName == "DIV" ) // share code
					if ( event.offsetY > event.target.clientHeight )
						bContinue = false;
		}
		catch( err )
		{
		};

		if ( bContinue )
		{
			noReentry = true; // Prevent entry to OnLoadImage
    
			if( ItemCollapsed(imageItem.id) == true )
				ExpandItem( imageItem );
			else
				CollapseItem( imageItem );
		
			noReentry = false;
		}
	}
}

function CollapseAll(imageItem)
{
    noReentry = true; // Prevent entry to OnLoadImage
    
    var imgElements = document.getElementsByName("toggleSwitch");
    var i;
	
	imageItem.src = expandAllImage.src;
	AddCollapsedItem(imageItem.id);
	for(i = 0; i < imgElements.length; ++i)
	{
		wait();
		imgElements[i].src = expandImage.src;
		CollapseSection(imgElements[i]);
		AddCollapsedItem(imgElements[i].id);
	}
	SetToggleAllLabel(true);
	
    noReentry = false;
}

function ExpandHeaderInfo(e,b)
{
	e.className = b ? "" : "collapsed";
}

function isLoading()
{
	try
	{
		return event.type == "load";
	}
	catch( err )
	{
	}
	return false;
}

function ExpandHeaderInfos()
{
	if ( !isLoading() )
	{
		var rgInfos = document.getElementsByName("infos");
		if ( rgInfos )
		{
			for ( var iInfo = 0; iInfo < rgInfos.length; iInfo++ )
				ExpandHeaderInfo( rgInfos[iInfo], true );
		}
	}
}

function CollapseHeaderInfos()
{
	if ( !isLoading() )
	{
		var rgInfos = document.getElementsByName("infos");
		if ( rgInfos )
		{
			for ( var iInfo = 0; iInfo < rgInfos.length; iInfo++ )
				ExpandHeaderInfo( rgInfos[iInfo], false );
		}
	}
}

function ExpandCollapseAll(imageItem)
{
	if ( imageItem )
	{
		noReentry = true; // Prevent entry to OnLoadImage
    
		var imgElements = document.getElementsByName("toggleSwitch");
		var i;
		
		if(ItemCollapsed(imageItem.id) == true)
		{
			ExpandHeaderInfos();
			imageItem.src = collapseAllImage.src;
			RemoveCollapsedItem(imageItem.id);
			for(i = 0; i < imgElements.length; ++i)
			{
				wait();
				imgElements[i].src = collapseImage.src;
				ExpandSection(imgElements[i]);
				RemoveCollapsedItem(imgElements[i].id);
			}
			SetToggleAllLabel(false);
		}
		else
		{
			CollapseHeaderInfos();
			imageItem.src = expandAllImage.src;
			AddCollapsedItem(imageItem.id);
			for(i = 0; i < imgElements.length; ++i)
			{
				wait();
				imgElements[i].src = expandImage.src;
				CollapseSection(imgElements[i]);
				AddCollapsedItem(imgElements[i].id);
			}
			SetToggleAllLabel(true);
		}
		
		noReentry = false;
	}
}

function ExpandCollapse_CheckKey(imageItem)
{
	if ( imageItem )
		if(window.event.keyCode == 13)
    		ExpandCollapse(imageItem);
}

function ExpandCollapseAll_CheckKey(imageItem)
{
	if ( imageItem )
		if(window.event.keyCode == 13)
			ExpandCollapseAll(imageItem);
}

function ExpandSection(imageItem)
{
	if ( imageItem )
		if ( imageItem.parentElement != null )
		{
			var c = imageItem.parentElement.parentElement.children;
			if ( c.length == 2 )
			{

				var cAnswer = c[1].children["answer"];
				if ( cAnswer )
				{
					cAnswer.style.display = "block";
					cAnswer.parentElement.className = "answere";
					c[0].style.background = "#f4f4f4";

					try
					{
						var cQuote = cAnswer.firstElementChild.firstElementChild;
						if ( cQuote )
						{
							try
							{
								// Adds line numbers once the user expands section
								var rgPre = cQuote.getElementsByTagName("PRE");
								if ( rgPre.length )
								{
									for ( var iPre = 0; iPre < rgPre.length; iPre++ )
									{
										var pre = rgPre[iPre];
										if ( pre.getElementsByClassName )
										{
											var ln = pre.getElementsByClassName( "line-number" );
											if ( ln )
												if ( ln.length == 0 )
													addLineNumber( pre );
										}
										else
											break;
									}
								}
							}
							catch( err )
							{
							}

							try
							{
								var rgImg = cQuote.getElementsByTagName("IMG");
								if ( rgImg.length )
								{
									for ( var iImg = 0; iImg < rgImg.length; iImg++ )
										addTogglePreview( rgImg[iImg] );
								}
							}
							catch (err)
							{
							}

						}
					}
					catch( err )
					{
					}
				}
			}
		}
}

function CollapseSection(imageItem)
{
	if ( imageItem )
		if ( imageItem.parentElement != null )
		{
			var c = imageItem.parentElement.parentElement.children;
			if ( c.length == 2 )
			{
				c[0].style.background = "";

				var cAnswer = c[1].children["answer"];
				if ( cAnswer )
				{
					cAnswer.style.display = "none";
					cAnswer.parentElement.className = "";
				}
			}
		}
}

function SetCollapseAll()
{
    var imageElement = document.getElementById("toggleAllImage");
	
    if(imageElement == null)
	return;

    var imgElements = document.getElementsByName("toggleSwitch");
    var allCollapsed = true;
    var i, l = imgElements.length;
		
    for(i = 0; i < l; ++i)
    {
        wait();
        allCollapsed = allCollapsed && ItemCollapsed(imgElements[i].id)
    }
	
    if(allCollapsed)
    {
        imageElement.src = expandAllImage.src;
        AddCollapsedItem(imageElement.id);
    }
    else
    {
    	imageElement.src = collapseAllImage.src;
    	RemoveCollapsedItem(imageElement.id);
    }
	
    SetToggleAllLabel(allCollapsed);

}

function SetToggleAllLabel(allCollapsed)
{
    var labelElement;
    labelElement = document.getElementById("collapseAllLabel");

    if(labelElement == null)
    	return;
		
    labelElement.style.display = "none";
	
    labelElement = document.getElementById("expandAllLabel");
    labelElement.style.display = "none";
	
    if(allCollapsed)
    {
    	labelElement = document.getElementById("expandAllLabel");
    	labelElement.style.display = "";
    }
    else
    {
		labelElement = document.getElementById("collapseAllLabel");
		labelElement.style.display = "";
    }
}

function ItemCollapsed(imageId)
{
    var i;
	
    for(i = 0; i < collapsedItems.length; ++i)
    {
        wait();
        if(imageId == collapsedItems[i])
    	return true;
    }
    return false;
}

function AddCollapsedItem(imageId)
{	
    collapsedItems[collapsedItems.length] = imageId;
}

function RemoveCollapsedItem(imageId)
{
    var i;
	
    for(i = 0; i < collapsedItems.length; ++i)
    {
        wait();
        if(imageId == collapsedItems[i])
	    collapsedItems.splice(i, 1);
    }
}

function OpenSection(imageItem)
{
    if(ItemCollapsed(imageItem.id) == true)
	    ExpandCollapse(imageItem);
}

function ClickHRefInside( e )
{
	if ( e )
	{
		var rgA = e.getElementsByTagName("A");
		if ( rgA.length == 1 )
			selectURL( rgA[0].href );
	}
}

function ExpandHeaderGroup( e )
{
	if ( e )
		e.parentElement.parentElement.className = e.parentElement.parentElement.className.length == 0 ? "collapsed" : "";
}