//SETTING UP OUR POPUP
//0 means disabled; 1 means enabled;
var popupStatus = 0;
//loading popup with jQuery magic!

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


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


//centering popup
function popupCenter() {
    //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": "fixed",
        "top": windowHeight / 2 - popupHeight / 2,
        "left": windowWidth / 2 - popupWidth / 2
    });
    //only need force for IE6

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