(function(a){a.fn.extend({fixZindex:function(b){return a(this).each(function(){var e=a(this);var f=this;if(a.browser.version=="6.0"&&a.browser.msie){if(b=="hide"){e.prev("iframe").remove();e.hide();return}e.fixZindex("hide");var d=a("<iframe src='about:blank'></iframe>").insertBefore(e);e.show();var c=e.offset();d.css({width:e.outerWidth(),height:e.outerHeight(),position:"absolute",left:c.left,top:c.top,opacity:0})}else{if(b=="hide"){e.hide();return}e.show()}})}})})(jQuery);