// Code used for pop-up survey
// Author: Surveylab Limited. Last modified 11/8/09
function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
    }
    return null;
}

function SurveyOn() {
    var ShowSurvey = readCookie('survey');
    if (ShowSurvey==90811) {
        //do nothing
    } else {
        //Set Cookie & show popup
        var SurveyDate = new Date();
        SurveyDate.setTime(SurveyDate.getTime()+(120*1000)); //2 minutes time
        var SurveyExpires = "; expires="+SurveyDate.toGMTString();
        document.cookie = "survey=90811" + SurveyExpires + "; path=/";
        fireMyPopup();
    }
}

function SurveyOK() {
    //user clicked thru, extend cookie's expiry and close popup
    //Set Cookie & show popup
    var SurveyDate = new Date();
    SurveyDate.setTime(SurveyDate.getTime()+(7*24*60*60*1000)); //7 days time
    var SurveyExpires = "; expires="+SurveyDate.toGMTString();
    document.cookie = "survey=90811" + SurveyExpires + "; path=/";
    surveylabClose();
} 

function fireMyPopup() {
    document.getElementById("surveylab").style.display = "block";
}

function SurveyNever() {
    //user clicked 'Do not ask me again'
    var SurveyDate = new Date();
    SurveyDate.setTime(SurveyDate.getTime()+(45*24*60*60*1000)); //45 days time
    var SurveyExpires = "; expires="+SurveyDate.toGMTString();
    document.cookie = "survey=90811" + SurveyExpires + "; path=/";
    surveylabClose();
} 

function SurveyLater() {
    //user clicked 'Remind me later'
    var SurveyDate = new Date();
    SurveyDate.setTime(SurveyDate.getTime()+(420*1000)); //7 minutes' time
    var SurveyExpires = "; expires="+SurveyDate.toGMTString();
    document.cookie = "survey=90811" + SurveyExpires + "; path=/";
    surveylabClose();
} 

function surveylabClose() {
    //Hide popup
    document.getElementById("surveylab").style.display = "none";
    //surveylab.style.display = 'none';
}