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/*
*Author:karry
*Version:1.0
*Time:2008-11-19
*jquery1.2.6
*为IE6或之前的版本解决Select框会覆盖住DIV图层的BUG
*只有在IE版本小于7的时候才会执行以下代码
*/
(function($) {
    $.fn.decorateIframe = function(options) {
        if ($.browser.msie && $.browser.version < 7) {
            var opts = $.extend({}, $.fn.decorateIframe.defaults, options);
            $(this).each(function() {
                var $myThis = $(this);
                //创建一个IFRAME
                var divIframe = $("<iframe />");
                divIframe.attr("id", opts.iframeId);
                divIframe.css("position", "absolute");
                divIframe.css("display", "none");
                divIframe.css("display", "block");
                divIframe.css("z-index", opts.iframeZIndex);
                divIframe.css("border");
                divIframe.css("top", "0");
                divIframe.css("left", "0");
                if (opts.width == 0) {
                    divIframe.css("width", $myThis.width() + parseInt($myThis.css("padding")) * 2 + "px");
                }
                if (opts.height == 0) {
                    divIframe.css("height", $myThis.height() + parseInt($myThis.css("padding")) * 2 + "px");
                }
                divIframe.css("filter", "mask(color=#fff)");
                $myThis.append(divIframe);
            });
        }
    }
    $.fn.decorateIframe.defaults = {
        iframeId:"decorateIframe1",
        iframeZIndex:-1,
        width:0,
        height:0
    }
})(jQuery);