js实现遮罩层弹出框的方法(2)

var div_X = (pageWidth - 400) / 2 + scrollLeft;
        var div_Y = (pageHeight - 200) / 2 + scrollTop;
        var objDiv = document.getElementById(popupId);
        if (status) {
            document.getElementById(contentId).style.background = "url($Root/Assets/Images/ui_success.png) no-repeat 20px 50%";
        }
        document.getElementById(contentId).innerHTML = msg;
        objDiv.style.display = "block";
        objDiv.style.left = div_X + "px";
        objDiv.style.top = div_Y + "px";
        autoClose(popupId);
    }
</script>