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

//loading popup with jQuery magic!  
function loadPopup(which) {  
    //loads popup only if it is disabled  
    if(popupStatus==0) {  
        $("#backgroundPopup").css({  
        "opacity": "0.9"  
        });
        $("#backgroundPopup").fadeIn("slow");
        if (which == "contact") {
            $("#popupContact").fadeIn("slow");
        } else {
            $("#popupLegal").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");
        $("#popupLegal").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
    });

    $("#popupLegal").css({
        "position": "absolute",
        "top": windowHeight / 2 - popupHeight / 2,
        "left": windowWidth / 2 - popupWidth / 2
    }); 

    //only need force for IE6    
    $("#backgroundPopup").css({  
        "height": windowHeight  
    });    
}