if (typeof(hcPageID) == "undefined")
 hcPageID=Math.round(Math.random()*9999999999);

if (typeof(lpdbButtonContext) == "undefined") 
	lpdbButtonContext = document.title;

if (typeof(lpdbButtonActionURLSuffix) == "undefined") 
	lpdbButtonActionURLSuffix = "";

if (typeof(lpdbRedirectActionURLSuffix) == "undefined") 
	lpdbRedirectActionURLSuffix = "";

if (typeof(lpdbButtonImpressionSuffix) == "undefined") 
	lpdbButtonImpressionSuffix = "";

if (typeof(lpdbButtonName) == "undefined") 
	lpdbButtonName = "Generic";

if (lpdbButtonName.length > 200) lpdbButtonName = lpdbLimitString(lpdbButtonName,200) + ')';  //fix the too long problem

if (typeof(lpdbButtonRoom) == "undefined") 
	lpdbButtonRoom = lpdbButtonName;

if (typeof(lpdbOutcomeDirQualifier) == "undefined") 
	lpdbOutcomeDirQualifier = "";

var lpdbRedirectAttempts;
if (typeof(lpdbRedirectAttempts)=="undefined")
	lpdbRedirectAttempts=10;

var lpdbRedirectTimeout;
if (typeof(lpdbRedirectTimeout)=="undefined")
	lpdbRedirectTimeout=500;

var hcNS = (document.layers) ? true : false;
var hcIE = (document.all) ? true : false;
var hcIE5 = false;
if (hcIE) {
	hcIE5 = navigator.appVersion.indexOf("IE 5.")>=0;
}
var hcDOM = (document.getElementById) ? true : false;
if (hcIE)
	hcDOM = false;
var hcMAC = (navigator.platform) && (navigator.platform.toUpperCase().indexOf("MAC") >= 0);
if (hcNS)
	hcMAC = false;

var hcPointerString = hcIE5 ? "hand" : "pointer";

var lpLocation = document.location.toString();
var lpProtocol = "http";
if ((lpLocation != null) && (lpLocation.indexOf("https:") == 0))
	lpProtocol = "https";

var lpdbImpressionTimeoutSeconds;
if (typeof(lpdbImpressionTimeoutSeconds)=="undefined")
	lpdbImpressionTimeoutSeconds=35;

var lpdbImpressionRefreshFrequency;
if (typeof(lpdbImpressionRefreshFrequency)=="undefined")
	lpdbImpressionRefreshFrequency=5;

var lpdbImpressionFrequency;
if (typeof(lpdbImpressionFrequency)=="undefined")
	lpdbImpressionFrequency=4;

var lpdbButtonImpressionImage;
var lpdbImpressionTimeoutCounter = 0;
var lpdbImpressionRefreshCounter = 0;
var lpdbImg30SequenceCounter = 0;
var maxImg30Sequence = 2;
var doLoop=true;
var lpdbLastImpressionWidth=-1;

var lpdbServerBusyRetry = 15;
var lpdbCommDelayRetry=5;
var lpdbFirstConnection = true;
var lpdbWaitTimer;
var lpdbActionType = "web"; // chat by default

function lpdbButtonImpressionCheckImage() {
	lpdbImpressionTimeoutCounter++;
	lpdbImpressionRefreshCounter++;
	if (lpdbImpressionTimeoutCounter > lpdbImpressionTimeoutSeconds*lpdbImpressionFrequency) {
		if ((typeof(lpdbAlternateImageURL) != "undefined" && lpdbAlternateImageURL!=null) ||
             typeof(lpcttButtonStateControlsList) != "undefined") {
			return lpdbApplyButtonRule(0);
		} else
			return lpdbApplyButtonRule(40);
	}
	var imageWidth = lpdbButtonImpressionImage.width;

    if (imageWidth == 30 && (typeof(lpIsVisitor) != "undefined") && lpIsVisitor) {
        lpdbImg30SequenceCounter++;
        if (lpdbImg30SequenceCounter >= maxImg30Sequence) {
            doLoop = false;
        }
    }
    else{
        lpdbImg30SequenceCounter = 0;
    }

    if (imageWidth == 24) return false;

	if (imageWidth >= 40) {
        if (lpdbFirstConnection) {
            lpdbFirstConnection = false;
            if (typeof(lpdbRefreshRate) != "undefined") {
                setTimeout("lpdbButtonImpressionGo("+lpdbRefreshRate+")", lpdbRefreshRate*1000);
            }
        }
		if (imageWidth != lpdbLastImpressionWidth)
			return lpdbApplyButtonRule(imageWidth);
		else
			return true;
	} else {
        if (!lpdbFirstConnection) {
            if (imageWidth==30 && lpdbImpressionRefreshCounter >= (lpdbImpressionRefreshFrequency * lpdbServerBusyRetry) ||
                    imageWidth!=30 && lpdbImpressionRefreshCounter >= (lpdbImpressionRefreshFrequency * lpdbCommDelayRetry)) {
                lpdbButtonImpressionSetSource();
                lpdbImpressionRefreshCounter = 0;
            }
        }
        else {
            lpdbFirstConnection = false;
            lpdbWaitForVisitor();
        }
    }
	return false;
}

function lpdbButtonImpressionLoopImage(tempRefreshRate) {
    if (!doLoop) {
        return;
    }
    
    if (lpdbButtonImpressionCheckImage()) {
		lpdbCheckRefresh(tempRefreshRate);
		return;
	}
	setTimeout("lpdbButtonImpressionLoopImage("+ tempRefreshRate +")", 1000.0/lpdbImpressionFrequency);
}

function lpdbCheckRefresh(tempRefreshRate){
    if (tempRefreshRate > 0)
		setTimeout("lpdbRefresh("+tempRefreshRate+")", 1000.0*tempRefreshRate);
}

function lpdbReset() {
	lpdbImpressionTimeoutCounter = 0;
	lpdbImpressionRefreshCounter = 0;
}
function lpdbRefresh(tempRefreshRate) {
	lpdbReset();
	lpdbInitDynamicButtonRealtime(tempRefreshRate,false);
}

function lpdbGetFPCParameters(){
    var tmp_url = '';
    if (typeof(lpParseLocalVisitorID)=='function')  {
        var visID = lpParseLocalVisitorID();
        if (visID!="") tmp_url = tmp_url + '&visitor=' + visID;
    }
    if (typeof(lpParseLocalSessionKey)=='function')  {
        var msess = lpParseLocalSessionKey();
        if (msess!="") tmp_url = tmp_url + '&msessionkey=' + msess;
    }
    if (typeof(lpParseLocalContainer)=='function')  {
        var contid = lpParseLocalContainer();
        if (contid!="") tmp_url = tmp_url + '&siteContainer=' + contid;
    }
    return tmp_url;
}

function lpdbButtonImpressionSetSource() {
	if (typeof(lpdbDefaultQueryURL) != "undefined") {
		lpdbImpressionPage = lpProtocol + "://" + lpdbDefaultQueryURL;
	} else if (typeof(lpdbAlternateImageURL) != "undefined" && lpdbAlternateImageURL == 0) {
		lpdbImpressionPage = lpProtocol + "://" + lpServerName + "/hcp/width/img90.gif";
	} else {
		lpdbImpressionPage = lpProtocol + "://" + lpServerName + "/hcp/width/img40.gif";
	}
	if ((hcIE && (! hcMAC)) || (hcNS))
		lpdbButtonImpressionImage = new Image();
	else if (hcDOM || (hcIE && hcMAC && (document.createElement))) {
		document.body.removeChild(lpdbButtonImpressionImage);
		lpdbButtonImpressionImage = document.createElement('IMG');
		lpdbButtonImpressionImage.style.visibility = "hidden";
		lpdbButtonImpressionImage.style.position = "absolute";
		lpdbButtonImpressionImage.style.top = "0px";
		lpdbButtonImpressionImage.style.left = "0px";
		document.body.appendChild(lpdbButtonImpressionImage);
	}

    var tmp_url = lpdbGetFPCParameters();

	lpdbButtonImpressionImage.src = lpProtocol + "://" + lpServerName + "/hc/" + lpNumber +
		"/cmd/url/?site=" + lpNumber +
		"&page="+escape(lpdbImpressionPage) +  tmp_url +
		"&SESSIONVAR!impression-query-name="+escape(lpdbButtonName)+
		"&SESSIONVAR!impression-query-room="+escape(lpdbButtonRoom)+
		"&id=" + hcPageID +
		"&info=button-impression:"+escape(lpdbButtonName)+"("+escape(lpdbButtonContext)+")"+
		"&" + lpdbButtonImpressionSuffix +
		"&waitForVisitor=true&d="+(new Date().getTime());
}

function lpdbButtonImpressionGo(tempRefreshRate) {
	lpdbButtonImpressionSetSource() ;
	lpdbButtonImpressionLoopImage(tempRefreshRate);
}

function lpdbFindButtonImage(name) {
	if (hcDOM) {
		return document.getElementsByTagName("IMG")[name];
	} else if (typeof(document.getElementById)!="undefined") {
		return document.getElementById(name);
	} else {
		for (var i = 0; i < document.images.length; i++) {
			if (document.images[i].name == name)
				return document.images[i];
		}
	}
	return null;
}

var lpdbButtonStateAvailable = "Available";
var lpdbButtonStateBusy = "Busy";
var lpdbButtonStateOffline = "Offline";

function lpdbButtonActionFunctionVoice() {
	lpdbOpenChatWindow(lpdbButtonStateAvailable);
}

function lpdbButtonActionFunction() {
	lpdbOpenChatWindow(lpdbButtonStateAvailable);
}

function lpdbOpenChatWindow(buttonState) {
    var windowName = (lpdbActionType == "web" ? "chat" : "call") + lpNumber;
	window.open(lpdbEvaluateButtonActionURL(buttonState),
                windowName,
                'width=472,height=320,status=0,resizable=0,menubar=no,scrollbars=no');
}
function lpdbDoNothingFunction() {
}

function lpdbCustomHandler(width) {
	return false;
}

function lpdbGetVal(imgName, isChat) {
    if ((eval("typeof(" + imgName + (isChat ? "" : "Voice") + ")")) != "undefined")
        return eval(imgName + (isChat ? "" : "Voice"));
    return null;
}

function applyToVars(hcDynamicIconImage, style, imgURL, fncName, classSuffix, lpdbActionType) {

    var buttonStateControlsListExists = typeof(lpcttButtonStateControlsList) != "undefined";
    if (buttonStateControlsListExists)
        lpdbButtonStateChangeClass(classSuffix)

    var isChat = lpdbActionType == "web";
    var btImg = lpdbGetVal(imgURL, isChat);
    if (btImg != null || buttonStateControlsListExists) {
        if (hcDynamicIconImage!=null && btImg != null)
            hcDynamicIconImage.src = btImg;
        var btFnc = lpdbGetVal(fncName, isChat);
        if (btFnc != null) {
            if (style != null)
                style.cursor = hcPointerString;
            lpdbButtonAction = btFnc;
        } else {
            if (style != null)
                style.cursor = "default";
            lpdbButtonAction = lpdbDoNothingFunction;
        }
    }
}

function lpdbButtonStateChangeClass(classSuffix)
{
    for(i = 0; i < lpcttButtonStateControlsList.length; i++)
    {
        var currControl = document.getElementById(lpcttButtonStateControlsList[i]);
        currControl.className = lpcttButtonStateControlsList[i] + classSuffix;
    }
}

function lpdbApplyButtonRule(width) {
	var response = false;
	var style = null;
	var hcDynamicIconImage=lpdbFindButtonImage('hcDynamicIcon');
	if (hcDynamicIconImage!=null) {
		style = hcDynamicIconImage.style;
	}
	if (width == 40) {
		response = true;
	} else
	if (width == 50 || width == 56) {
		lpdbActionType = width == 50 ? "web":"voice";
	    applyToVars(hcDynamicIconImage, style, "lpdbButtonImageURL", "lpdbButtonActionFunction", "Available", lpdbActionType);
		if (typeof(lpdbMEname) != "undefined") {
			parent.document.getElementById(lpdbMEname).style.display="block";
			parent.document.getElementById("lpMEguide").style.display="block";
		}
		response = true;
	} else 	if (width == 60 || width == 66) {
        lpdbActionType = width == 60 ? "web":"voice";
	    applyToVars(hcDynamicIconImage, style, "lpdbAlternateButtonBusyImageURL", "lpdbBusyActionFunction", "Busy", lpdbActionType);
		response = true;
	} else 	if (width == 70 || width == 76) {
        lpdbActionType = width == 70 ? "web":"voice";
	    applyToVars(hcDynamicIconImage, style, "lpdbAlternateButtonOfflineImageURL", "lpdbOfflineActionFunction", "Offline",lpdbActionType);
		response = true;
	} else 	if (width == 80 || width == 86) {
        lpdbActionType = width == 80 ? "web":"voice";
	    applyToVars(hcDynamicIconImage, style, "lpdbAlternateImageURL", "lpdbAlternateFunction", "Alternate", lpdbActionType);
		if (typeof(lpdbDefaultActionURL)!="undefined") {
			lpdbActionURL = lpProtocol + "://" + lpdbDefaultActionURL;
		} else {
			lpdbActionURL = lpProtocol + "://" + lpServerName + "/hcp/html/SalesEdition/ServiceTemporarilyUnavailable.html";
		}
		response = true;
	} else 	if (width == 0) {
        lpdbActionType = "web";
	    applyToVars(hcDynamicIconImage, style, "lpdbAlternateImageURL", "lpdbAlternateFunction", "Alternate", lpdbActionType);
		if (typeof(lpdbDefaultActionURL)!="undefined") {
			lpdbActionURL = lpProtocol + "://" + lpdbDefaultActionURL;
		} else {
			lpdbActionURL = lpProtocol + "://" + lpServerName + "/hcp/html/SalesEdition/ServiceTemporarilyUnavailable.html";
		}
		response = true;
	} else if (width == 90 || width == 96) {
        lpdbActionType = width == 90 ? "web":"voice";
		// (a)
		// For a type-1 button implementation with image-name reference
		//  	no need to reload image (no change)
		//	need to make it clickable and connect to action
		if (style != null)
			style.cursor = hcPointerString;
		lpdbButtonAction = lpdbButtonActionFunction;
		// (b)
		// For a type-1 button implementation with no image-name reference
		// 	lpdbButtonActionURL is set at the bottom of this script
		// 	nothing else to do
		response = true;
	} else
		response = lpdbCustomHandler(width);

	if (response) {
		lpdbLastImpressionWidth = width;
	}
	return response;
}

function lpdbInitDynamicButtonRealtime(tempRefreshRate,setAction) {
	if ((hcIE && (! hcMAC)) || (hcNS))
		lpdbButtonImpressionImage = new Image();
	else if (hcDOM || (hcIE && hcMAC && (document.createElement))) {
		lpdbButtonImpressionImage = document.createElement('IMG');
		lpdbButtonImpressionImage.style.visibility = "hidden";
		document.body.appendChild(lpdbButtonImpressionImage);
		lpdbButtonImpressionImage.style.position = "absolute";
		lpdbButtonImpressionImage.style.top = "0px";
		lpdbButtonImpressionImage.style.left = "0px";
	}
	if(setAction)
	    lpdbButtonAction = lpdbDoNothingFunction;
	setTimeout("lpdbButtonImpressionGo("+tempRefreshRate+")", 10);
}

function lpdbWaitForVisitor(){

    var localIsVisitor = null;
    if (typeof(lpIsVisitor) != "undefined")
        localIsVisitor = lpIsVisitor;
    else if (typeof(parent.lpIsVisitor) != "undefined")
        localIsVisitor = parent.lpIsVisitor;

    if(localIsVisitor == null){
        lpdbWaitTimer = setTimeout("lpdbWaitForVisitor()", 500);
        return;
    }

	if(localIsVisitor){
        if (typeof(lpdbRefreshRate) == "undefined") lpdbRefreshRateHere = 0;
        else  lpdbRefreshRateHere = lpdbRefreshRate;
        if (lpdbFirstConnection) {
            setTimeout("lpdbInitDynamicButtonRealtime("+lpdbRefreshRateHere+",true)", 10);
        }
        else {
            lpdbButtonImpressionGo(lpdbRefreshRateHere);
        }
        lpdbFirstConnection=false;
    }else{
        if (lpdbFirstConnection) {
            lpdbInitDynamicButtonRealtime(0,true);
            lpdbFirstConnection=false;
        }
        lpdbWaitTimer = setTimeout("lpdbWaitForVisitor()", 500);
    }
}

if (typeof(lpdbSSL)!="undefined" && lpdbSSL) {
	lpChatProtocol="https";
} else {
	lpChatProtocol="http";
}

function lpdbGenerateChatWindowAvailableURL(){
	return lpdbGenerateChatWindowURL(lpdbButtonStateAvailable);
}
function lpdbGenerateChatWindowBusyURL(){
	return lpdbGenerateChatWindowURL(lpdbButtonStateBusy);
}
function lpdbGenerateChatWindowOfflineURL(){
	return lpdbGenerateChatWindowURL(lpdbButtonStateOffline);
}

function lpdbGenerateChatWindowURL(buttonState) {
    var referrerString = "&referrer=(button%20dynamic-button:"+escape(lpdbButtonName)+"("+escape(lpdbButtonContext)+"))%20" + lpdbLimitString(escape(document.location),200);
	var forceOfflineString = (buttonState != lpdbButtonStateAvailable) ? ("&forceOffline=true&SESSIONVAR!OfflineTrigger="+buttonState+"Click") : "";

    var tmp_url = lpdbGetFPCParameters();
 	var cmd = lpdbActionType == "voice" ? "visitorWantsToTalk" : "visitorWantsToChat";

	var url =
		lpChatProtocol + "://" + lpServerName + "/hc/" + lpNumber + "/?cmd=file&file=" + cmd + "&site=" +
	 	lpNumber + tmp_url+((typeof(lpOfflineURL) != "undefined") ? "&offlineURL=" + escape(lpChatProtocol + "://" + lpOfflineURL) : "") +
	 	forceOfflineString +
	 	"&SESSIONVAR!chat-button-name="+escape(lpdbButtonName) +
	 	"&SESSIONVAR!chat-button-room="+escape(lpdbButtonRoom) +
	 	lpdbRedirectActionURLSuffix +
	 	referrerString;
	return url;
}

function lpdbLimitString(str, maxsize) {
    if (str.length > maxsize) return str.substring(0,maxsize);
    else return str;
}

function lpdbGenerateButtonQueryAvailableURL(redirectPage) {
	return lpdbGenerateButtonQueryURL(redirectPage,lpdbButtonStateAvailable);
}
function lpdbGenerateButtonQueryBusyURL(redirectPage) {
	return lpdbGenerateButtonQueryURL(redirectPage,lpdbButtonStateBusy);
}
function lpdbGenerateButtonQueryOfflineURL(redirectPage) {
	return lpdbGenerateButtonQueryURL(redirectPage,lpdbButtonStateOffline);
}

function lpdbGenerateButtonQueryURL(redirectPage,buttonState) {
    var tmp_url = lpdbGetFPCParameters();

    var url =
		lpProtocol + "://" + lpServerName + "/hc/" + lpNumber + "/cmd/url/?site=" + lpNumber + tmp_url +
		"&SESSIONVAR!click-query-name="+escape(lpdbButtonName)+
		"&SESSIONVAR!click-query-room="+escape(lpdbButtonRoom)+
		"&SESSIONVAR!click-query-state="+escape(buttonState)+
		"&SESSIONVAR!click-query-channel="+escape(lpdbActionType)+
		"&SESSIONVAR!button-outcome-dir="+escape(lpdbOutcomeDirQualifier)+
		"&page="+escape(redirectPage) +
		"&id=" + hcPageID +
		"&waitForVisitor=redirectBack&redirectAttempts="+lpdbRedirectAttempts+
		"&redirectTimeout="+lpdbRedirectTimeout+
		"&" + lpdbButtonActionURLSuffix+
		"&d="+(new Date().getTime());

	return url;
}

function lpdbEvaluateButtonActionURL(buttonState) {
	var lpdbRedirectActionURL = lpdbGenerateChatWindowURL(buttonState);
	var lpdbButtonActionURL = lpdbGenerateButtonQueryURL(lpdbRedirectActionURL,buttonState);
	return lpdbButtonActionURL;
}

var lpdbActionURL = lpdbEvaluateButtonActionURL(lpdbButtonStateAvailable);

function lpdbDefaultBusyActionFunction() {
	lpdbOpenChatWindow(lpdbButtonStateBusy);
}
function lpdbDefaultOfflineActionFunction() {
	lpdbOpenChatWindow(lpdbButtonStateOffline);
}

////////////////////////////////
setTimeout("lpdbInitDynamicButtonRealtime(0,true)", 10);