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

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

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

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

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

}