//0 means disabled; 1 means enabled;
var popupStatus = 0;

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

//disabling popup with jQuery magic!
function disablePopup() {
    //disables popup only if it is enabled
    if (popupStatus == 1) {
        $("#backgroundPopup").fadeOut("slow");
        $("#popupContact").fadeOut("slow");
        popupStatus = 0;
    }
}

//centering popup
function centerPopup() {
    //request data for centering
    var windowWidth = document.documentElement.clientWidth;
    var windowHeight = document.documentElement.clientHeight;
    var popupHeight = $("#popupContact").height();
    var popupWidth = $("#popupContact").width();
    //centering
    $("#popupContact").css({
        "position": "absolute",
        "top": windowHeight / 2 - popupHeight / 2,
        "left": windowWidth / 2 - popupWidth / 2
    });
    //only need force for IE6

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

}


function reregisterPopupControls() {
    $(document).ready(function() {
        //CLOSING POPUP
        //Click the x event!
        $("#popupContactClose").click(function() {
            disablePopup();
        });
        //Click out event!
        $("#backgroundPopup").click(function() {
            disablePopup();
        });
        //Press Escape event!
        $(document).keypress(function(e) {
            if (e.keyCode == 27 && popupStatus == 1) {
                disablePopup();
            }
        });
        $("#popupContactClose").hover(function() {
            $(this).addClass("closehover");
        }, function() {
            $(this).removeClass("closehover");
        });        
    });
}