/***************************
@Author- Adrian "yEnS" Mato Gondelle
@website- www.yensdesign.com
@email- yensamg@gmail.com
@license- Feel free to use it, but keep this credits please!					
***************************/

//SETTING UP OUR POPUP
//0 means disabled; 1 means enabled;
var popupStatus = 0;

function loadPopup() {
    //loads popup only if it is disabled
    if (popupStatus == 0) {
        $("#backgroundPopup").css({
            "opacity": "0.7"
        });
        $("#backgroundPopup").fadeIn("slow");
        $("#Survey").fadeIn("slow");
        popupStatus = 1;
    }
}

function disablePopup() {
    //disables popup only if it is enabled
    if (popupStatus == 1) {
        $("#backgroundPopup").fadeOut("slow");
        $("#Survey").fadeOut("slow");
        popupStatus = 0;
    }
}

//centering popup
function centerPopup() {
    //request data for centering
    var windowWidth = document.body.clientWidth;
    var windowHeight = document.body.clientHeight;
    var popupHeight = $("#Survey").height();
    var popupWidth = $("#Survey").width();
    //centering
    $("#Survey").css({
        //"position": "absolute",
        "top": windowHeight / 2 - popupHeight / 2 - 250,
        "left": windowWidth / 2 - popupWidth / 2
    });

    $("#backgroundPopup").css({
        "height": windowHeight
    });
}

//CONTROLLING EVENTS IN jQuery
$(document).ready(function () {
    $("#SurveyClose").click(function () {
        disablePopup();
    });

    $("#backgroundPopup").click(function () {
        disablePopup();
    });

    $(document).keypress(function (e) {
        if (e.keyCode == 27 && popupStatus == 1) {
            disablePopup();
        }
    });
});