popup_obj={}
popup_obj.isSucc='';
function show_popup() {
        $('ntcwin').show();
        pbegin = document.documentElement.scrollTop + (document.documentElement.clientHeight / 2);
        pend = document.documentElement.scrollTop + (document.documentElement.clientHeight / 5);
        setTimeout(function () {noticewin_show(pbegin, pend, 0 ,2000)}, 10);
        $('ntcwin').style.left = ((document.documentElement.clientWidth - $('ntcwin').clientWidth) / 2) + 'px';
        $('ntcwin').style.top = pbegin + 'px';
}
function noticewin_show(b, e, a , t) {
        step = (b - e) / 10;
        newp = (parseInt($('ntcwin').style.top) - step);
        if(newp > e) {
                $('ntcwin').style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + a + ')';
                $('ntcwin').style.opacity = a / 100;
                $('ntcwin').style.top = newp + 'px';
                setTimeout(function () {noticewin_show(b, e, a += 10,2000)}, 10);
        } else {
                $('ntcwin').style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=100)';
                $('ntcwin').style.opacity = 1;
                setTimeout('display_opacity(\'ntcwin\', 100)', t);
        }
}
function display_opacity(id, n) {
        if(!$(id)) {
                return;
        }
        if(n >= 0) {
                n -= 10;
                $(id).style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + n + ')';
                $(id).style.opacity = n / 100;
                setTimeout('display_opacity(\'' + id + '\',' + n + ')', 50);
        } else {
		try { popup_obj.isSucc(); } catch(e){}
                $(id).style.display = 'none';
                $(id).style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=100)';
                $(id).style.opacity = 1;
        }
}