一个div弹出框在IE6下显示不正常

IE7，IE8.IE9和火狐都测试正常，效果如下
IE6下效果
此外在IE6和IE7下，弹出div后滚动条自动跑到中间的位置了，而其他浏览器下滚动条位置不会变化，这个又怎么解决呢。主要是第一个问题，这样太难看了。jQuery的插件的JS代码(function (c) {
    c.Zebra_Dialog = function (e, h) {
        var m = { animation_speed: 250, auto_close: !1, buttons: !0, custom_class: !1, keyboard: !0, message: "", modal: !0, overlay_close: !0, overlay_opacity: 0.9, position: "center", title: "", type: "information", vcenter_short_message: !0, width: 0, onClose: null }, a = this; a.settings = {}; options = {}; if (typeof e == "string") options.message = e; if (typeof e == "object" || typeof h == "object") options = c.extend(options, typeof e == "object" ? e : h); a.init = function () {
            a.settings = c.extend({}, m, options); a.isIE6 = c.browser.msie &&
parseInt(c.browser.version, 10) == 6 || !1; if (a.settings.modal) a.overlay = jQuery("<div>", { "class": "ZebraDialogOverlay" }).css({ position: a.isIE6 ? "absolute" : "fixed", left: 0, top: 0, opacity: a.settings.overlay_opacity, "z-index": 1E3 }), a.settings.overlay_close && a.overlay.bind("click", a.close), a.overlay.appendTo("body"); a.dialog = jQuery("<div>", { "class": "ZebraDialog" + (a.settings.custom_class ? " " + a.settings.custom_class : "") }).css({ position: a.isIE6 ? "absolute" : "fixed", left: 0, top: 0, "z-index": 1001, visibility: "hidden" });
            if (!a.settings.buttons && a.settings.auto_close) a.settings.uniqueid = (a.settings.position + a.settings.auto_close + "").replace(/\+/g, "inc").replace(/\-/g, "dec").replace(/[^a-z0-9]/gi, ""), a.dialog.addClass(a.settings.uniqueid); var b = parseInt(a.settings.width); !isNaN(b) && b == a.settings.width && b.toString() == a.settings.width.toString() && b > 0 && a.dialog.css({ width: a.settings.width }); a.settings.title && jQuery("<h3>", { "class": "ZebraDialog_Title" }).html(a.settings.title).appendTo(a.dialog); a.message = jQuery("<div>",
{ "class": "ZebraDialog_Body" + (i() != "" ? " ZebraDialog_Icon ZebraDialog_" + i() : "") }); a.settings.vcenter_short_message ? jQuery("<div>").html(a.settings.message).appendTo(a.message) : a.message.html(a.settings.message); a.message.appendTo(a.dialog); if (a.settings.buttons !== !0 && !c.isArray(a.settings.buttons)) b = !1; else { if (a.settings.buttons === !0) switch (a.settings.type) { case "question": a.settings.buttons = ["是", "否"]; break; default: a.settings.buttons = ["确定"] } b = a.settings.buttons.reverse() } if (b) {
                var d = jQuery("<div>",
{ "class": "ZebraDialog_Buttons" }).appendTo(a.dialog); c.each(b, function (b, c) { var e = jQuery("<a>", { href: "javascript:void(0)", "class": "ZebraDialog_Button" + b }).html(c); e.bind("click", function () { a.close(c) }); e.appendTo(d) }); jQuery("<div>", { style: "clear:both" }).appendTo(d)
            } a.dialog.appendTo("body"); c(window).bind("resize", g); a.settings.keyboard && c(document).bind("keyup", j); a.isIE6 && c(window).bind("scroll", k); a.settings.auto_close !== !1 && setTimeout(a.close, a.settings.auto_close); g(); return a
        }; a.close = function (b) {
            a.settings.keyboard &&
c(document).unbind("keyup", j); a.isIE6 && c(window).unbind("scroll", k); c(window).unbind("resize", g); a.overlay && a.overlay.animate({ opacity: 0 }, a.settings.animation_speed, function () { a.overlay.remove() }); a.dialog.animate({ top: 0, opacity: 0 }, a.settings.animation_speed, function () { a.dialog.remove() }); if (a.settings.onClose && typeof a.settings.onClose == "function") a.settings.onClose(void 0 != b ? b : "")
        }; var g = function () {
            var b = c(window).width(), d = c(window).height(), f = a.dialog.width(), e = a.dialog.height(), f = { left: 0, top: 0,
                right: b - f, bottom: d - e, center: (b - f) / 2, middle: (d - e) / 2
            }; a.dialog_left = void 0; a.dialog_top = void 0; a.settings.modal && a.overlay.css({ width: b, height: d }); c.isArray(a.settings.position) && a.settings.position.length == 2 && typeof a.settings.position[0] == "string" && a.settings.position[0].match(/^(left|right|center)[\s0-9\+\-]*$/) && typeof a.settings.position[1] == "string" && a.settings.position[1].match(/^(top|bottom|middle)[\s0-9\+\-]*$/) && (a.settings.position[0] = a.settings.position[0].toLowerCase(), a.settings.position[1] =
a.settings.position[1].toLowerCase(), c.each(f, function (b, c) { for (var d = 0; d < 2; d++) { var e = a.settings.position[d].replace(b, c); if (e != a.settings.position[d]) d == 0 ? a.dialog_left = eval(e) : a.dialog_top = eval(e) } })); if (void 0 == a.dialog_left || void 0 == a.dialog_top) a.dialog_left = f.center, a.dialog_top = f.middle; a.settings.vcenter_short_message && (b = a.message.find("div:first"), d = b.height(), f = a.message.height(), d < f && b.css({ "margin-top": (f - d) / 2 })); a.dialog.css({ left: a.dialog_left, top: a.dialog_top, visibility: "visible" });
            a.dialog.find("a[class^=ZebraDialog_Button]:first").focus(); a.isIE6 && setTimeout(l, 500)
        }, l = function () { var b = c(window).scrollTop(), d = c(window).scrollLeft(); a.settings.modal && a.overlay.css({ top: b, left: d }); a.dialog.css({ left: a.dialog_left + d, top: a.dialog_top + b }) }, i = function () { switch (a.settings.type) { case "confirmation": case "error": case "information": case "question": case "warning": return a.settings.type.charAt(0).toUpperCase() + a.settings.type.slice(1).toLowerCase(); default: return !1 } }, j = function (b) {
            b.which ==
27 && a.close(); return !0
        }, k = function () { l() }; return a.init()
    }
})(jQuery);CSS文件.ZebraDialog {
    font-family: Tahoma, Arial, Helvetica, sans-serif;
    font-size: 12px;
    background: #fff;
    padding: 0px;
    width: 350px;
    color: #222;
    -webkit-border-radius: 6px;
    -moz-border-radius: 6px;
    border-radius: 6px;
    -webkit-box-shadow: 0px 0px 4px 2px #222;
    -moz-box-shadow: 0px 0px 4px 2px #222;
    box-shadow: 0px 0px 4px 2px #222;
    *border: 1px solid #666;    /* IE6 & 7 */
    border: 1px solid #666\9;   /* IE8 */
}.ZebraDialog .ZebraDialog_Title {
    margin: 0;
    padding: 5px 10px;
    font-weight: bold;
    font-size: 14px;
    background: #222;
    color: #FFF;
    text-align: left;
    -webkit-border-top-left-radius: 4px;
    -webkit-border-top-right-radius: 4px;
    -moz-border-radius-topleft: 4px;
    -moz-border-radius-topright: 4px;
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
    *padding: 7px 10px;     /* IE6 & 7 */
    padding: 7px 10px\9;    /* IE8 */
}.ZebraDialog .ZebraDialog_Body              { background-repeat: no-repeat; background-position: 10px 10px; padding: 10px; text-align: left }.ZebraDialog .ZebraDialog_Icon              { padding: 10px 10px 10px 68px; min-height: 48px; _height: 48px }.ZebraDialog .ZebraDialog_Confirmation      { background-image: url('../images/confirmation.png') }
.ZebraDialog .ZebraDialog_Error             { background-image: url('../images/error.png') }
.ZebraDialog .ZebraDialog_Information       { background-image: url('../images/information.png') }
.ZebraDialog .ZebraDialog_Question          { background-image: url('../images/question.png') }
.ZebraDialog .ZebraDialog_Warning           { background-image: url('../images/warning.png') }.ZebraDialog .ZebraDialog_Buttons {
    background: #E5E5E5;
    border-top: 1px solid #DADADA;
    padding: 5px 5px 5px 10px;
    -webkit-border-bottom-left-radius: 5px;
    -webkit-border-bottom-right-radius: 5px;
    -moz-border-radius-bottomleft: 5px;
    -moz-border-radius-bottomright: 5px;
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 5px;
}.ZebraDialog .ZebraDialog_Buttons a {
    text-decoration: none;
    font-weight: bold;
    color: #000;
    background: transparent;
    border: 1px solid #AAA;
    padding: 4px 10px;
    float: right;
    margin-right: 5px;
    min-width: 60px;
    _width: 60px;
    text-align: center;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
}.ZebraDialog .ZebraDialog_Buttons a:hover   { background: #717366; color: #FFF }.ZebraDialogOverlay                         { background: #666 }

解决方案 »

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IE6下div无法挡住select但可以用iframe挡住它。
做法用iframe打底并做透明！
参考：http://down.scscms.com/scs/scs_alert/index.html
最简单的就是显示的时候隐藏页面所有的select，关闭时再将select显示出来不过不要有iframe，要不你还得遍历iframe。通用性的就是按照1#的修改增加iframe
文件已经修改，请测试一下：http://down.scscms.com/scs/zebra-dialog-1.2/examples/index.html
如果行就更换你的js文件:http://down.scscms.com/scs/zebra-dialog-1.2/public/javascript/zebra_dialog.js
我又自己改了下，把overlay_opacity：0.9改成0.5就好了。原来不是变成白色，是透明度设置小，太不明显了。。谢谢大神。