function closeIframe() {
    document.getElementById('iframe_box_bg').style.display = 'none';
    $(".iframe_box").css("width","399px");
    $(".iframe_box").css("margin","-230px 0 0 -200px");
    $(".iframe_viwe iframe").css("margin","0");
    $(".iframe_viwe iframe").css("width","100%");
    $(".iframe_viwe iframe").css("top","-30px");
    $(".iframe_viwe iframe").css("height","100%");
    $(".iframe_title span").text('鍜ㄨ');
}

function openIframe($msgType) {
    if($msgType=='msg'){
        $(".iframe_box").css("width","399px");
        $(".iframe_box").css("margin","-230px 0 0 -200px");
        $(".iframe_title span").text('鍜ㄨ');
    }
    if($msgType=='chat'){
        $(".iframe_box").css("width","399px");
        $(".iframe_box").css("margin","-230px 0 0 -200px");
        $(".iframe_title span").text('鍞悗鍜ㄨ');
        
    }
    if($msgType=='service'){
        $(".iframe_box").css("width","580px");
        $(".iframe_box").css("margin","-230px 0 0 -290px");
        $(".iframe_viwe iframe").css("margin","0 -40px 0 -45px");
        $(".iframe_viwe iframe").css("width","calc(100% + 150px)");
        $(".iframe_viwe iframe").css("top","-310px");
        $(".iframe_viwe iframe").css("height","calc(100% + 280px)");
        $(".iframe_title span").text('鍦ㄧ嚎鎶ラ殰');
        
    }
    document.getElementById('iframe_box_bg').style.display = 'block';
}
function backTop() {$('body,html').animate({scrollTop: 0}, 600);}