//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 goBackToSite() {
      $("#popupContactClose").click(function(e){  
        e.preventDefault();
        disablePopup();  
      });  
    }