var over = false;
var N = document.all ? 0 : 1;
var X, Y;

var popupContainer = null;
var myContainer = null;
var animate = true;

if (N) {
    document.captureEvents(Event.MOUSEDOWN, Event.MOUSEMOVE, Event.MOUSEUP);
}

function QP_stopAnimation() {
    animate = false;
}

function QP_mouseDown(e) {
    if (over) {
        animate = false;
        popupContainer = document.getElementById("QuestionProPopupSurvey_" + config.surveyID);
        if (popupContainer) {
            if (N) {
                X = e.layerX;
                Y = e.layerY;
                return false;
            } else {
                popupContainer = popupContainer.style;
                X = event.offsetX;
                Y = event.offsetY;
            }
        }
    }
}


function QP_mouseMove(e) {
    if (popupContainer) {
        if (N) {
            popupContainer.style.left = (e.pageX - X);
            popupContainer.style.top = (e.pageY - Y);
        } else {
            popupContainer.pixelLeft = (event.clientX - X) + document.body.scrollLeft;
            popupContainer.pixelTop = (event.clientY - Y) + document.body.scrollTop;
            return false;
        }
    }
}

function QP_mouseUp() {
    popupContainer = null;
}

function QP_mouseOver() {
    over = true;
}

function QP_mouseOut() {
    over = false;
}


function QP_setCookie(name, value) {
    var expFromNow = 60 * 24 * 60 * 60 * 1000;  // Expires in 60 Days
    var exp = new Date();
    exp.setTime(exp.getTime() + expFromNow);
    document.cookie = (name + "=" + escape(value) + ";expires=" + exp.toGMTString() + ";path=/;");
}


function QP_getCookie(Name) {
    var search = Name + "=";
    if (document.cookie.length > 0) {
        offset = document.cookie.indexOf(search);
        if (offset != -1) {
            offset += search.length;
            end = document.cookie.indexOf(";", offset);
            end = (end == -1 ?
		   document.cookie.length :
		   offset + 1);
            return unescape(document.cookie.substring(offset, end));
        }
    }
}

function showContainer() {

    if (myContainer) {
        if (config.animationMode == 0) {
            myContainer.style.display = 'block';
        } else if (config.animationMode == 1) {
            animateTop();
        } else {
            animateLeft();
        }
    }
}

function animateTop() {
    var target = parseInt(myContainer.style.top);
    myContainer.style.top = 0;
    myContainer.style.display = 'block';
    setTimeout("moveDivVertical(" + target + ")", 100);
}


function animateLeft() {
    var target = parseInt(myContainer.style.left);
    myContainer.style.left = 0;
    myContainer.style.display = 'block';


    setTimeout("moveDivHorizontal(" + target + ")", 100);
}


function moveDivVertical(targetLocation) {
    var currentLocation = parseInt(myContainer.style.top);
    if (animate && (currentLocation < targetLocation)) {
        myContainer.style.top = (currentLocation + 5);
        setTimeout("moveDivVertical(" + targetLocation + ")", 100);
    }
}

function moveDivHorizontal(targetLocation) {
    var currentLocation = parseInt(myContainer.style.left);

    if (animate && (currentLocation < targetLocation)) {
        myContainer.style.left = (currentLocation + 5);
        setTimeout("moveDivHorizontal(" + targetLocation + ")", 100);
    }
}


function closeQPDiv() {
    if (myContainer) {
        myContainer.style.display = 'none';
    }
    myContainer = null;
}


function openPreview(loc) {
    var winl = (screen.width - 800) / 2;
    var wint = (screen.height - 640) / 2;
    var myRemote = launch(loc, "FreeSurveys1", "height=640,width=800,channelmode=0,dependent=0,directories=0,fullscreen=0,location=0,menubar=0,resizable=1,scrollbars=1,status=0,toolbar=0,top=" + wint + ",left=" + winl, "Help");
    if (myRemote) {
        myRemote.focus();
    }
}

function launch(newURL, newName, newFeatures, orgName) {
    remote = open(newURL, newName, newFeatures);
    if (remote) {
        if (remote.opener == null)
            remote.opener = window;
        remote.opener.name = orgName;
    }
    return remote;
}

function startSurvey() {
    closeQPDiv();
    openPreview(config.takeSurveyURL + '?id=' + config.surveyID);
}


function QP_setCookieClose(value, days) {
    QP_setCookie("Survey_" + config.surveyID, value, days);
    closeQPDiv();
}


function QP_popupMain() {

    var skipCount = (config.skipCount && config.skipCount > 0 ?
		 (Math.random() * 100) % config.skipCount : 1);

    skipCount = (config.skipCount && config.skipCount > 0 ?
	     (skipCount <= (config.skipCount / 2) ? 1 : 0) :
	     1);

    if (QP_getCookie("Survey_" + config.surveyID) != "0" && skipCount == 1) {
        document.onmousedown = QP_mouseDown;
        document.onmousemove = QP_mouseMove;
        document.onmouseup = QP_mouseUp;
        if (config.popupMode != 0) {
            myContainer = QP_addDiv("QuestionProPopupSurvey_" + config.surveyID);
            myContainer.innerHTML = QP_getInnerContent();
            var styleText = 'display:none;padding:0px; position:absolute; z-index:999; width:226px; left:' +
	    config.windowPositionLeft + 'px;top:' + config.windowPositionTop + 'px';
            QP_setStyle(myContainer, styleText);
            myContainer.onmouseover = QP_stopAnimation;

            if (myContainer) {
                if (config.invitationDelay == 0) {
                    showContainer();
                } else {
                    setTimeout("showContainer()", config.invitationDelay * 1000);
                }
            }
        } else {
            openPreview(config.takeSurveyURL + '?id=' + config.surveyID);
        }
        QP_setCookie("Survey_" + config.surveyID, '0');
    }
}

function QP_getInnerContent() {
    var s = '<div>' +
	'<div onmouseover="QP_mouseOver()" style="font-family:Tahoma; ' +
	'font-weight:bold; color:#ffffff; background-position:bottom; margin:0px; padding: ' +
	'5px 10px 6px 10px; background-color:#ADD375;">' +
	'<div style="float:left; color:#ffffff">' +
  	  config.popupInvitationHeader +
	'</div>' +
	'<div align="right" style="color:#ffffff"><a href="javascript:closeQPDiv()" style="color:#ffffff">[X]</a></div>' +
	'</div>' +
	'<div style="margin:0px; padding: 10px; border: 1px solid #CCCCCC; background-color: #ffffff;">' +
	'<div>' +
	config.popupMessage +
	'</div>' +
	'<div>' +
	'<br/>' +
	(config.isRightToLeft ?
	 '<a href="javascript:startSurvey()">' +
	 '&raquo;' +
	 config.surveyStartMessage +
	 '</a>' +
	 '&nbsp;' +
	 '<a href="javascript:QP_setCookieClose(-1, 2)">' +
	 config.popupInvitationLaterMessage +
	 '</a>'
	 :
	 '<div align="center">' +
	 '<a href="javascript:QP_setCookieClose(-1, 2)">' +
	 config.popupInvitationLaterMessage +
	 '</a>' +
	 '&nbsp;&nbsp;&nbsp;' +
	 '<b><a href="javascript:startSurvey()">' +
	 config.surveyStartMessage +
	 '&raquo;' +
	 '</b></a>' +
	 '</div>') +
	'</div>' +

	(config.showFooter ?
	 '<div style="border-bottom:1px dashed #cccccc;"><br/></div>' +
	 '<div align="right">' +
	 '</div>'
	 : '') +
	'<div style="height:5px;">&nbsp;</div>' +
	'</div>' +
	'</div>';
    return s;
}


function QP_addDiv(divID) {
    var dialog = document.createElement('div');
    dialog.innerHTML = '<div id="' + divID + '"></div>';
    document.body.appendChild(dialog);
    return document.getElementById(divID);
}

function QP_setStyle(element, styleText) {
    element.setAttribute("style", styleText);
    element.style.cssText = styleText;
}


if (!document.body) {
    window.onload = function () {
        QP_popupMain();
    };
} else {
    QP_popupMain();
}