为何在webmail下刷新一下就出现以下的码？

asionliang

Serever2003+worldclient+IIS6下。<br>
登陆后，随便刷新一下，就出现了以下的内容。必需返回或者重新登陆才正常显示WEB<br>
<br>
folderName){ return (this.folderSettings != null && this.folderSettings[folderName] != null ? this.folderSettings[folderName].svalue : null);} this.getSettingsAsXML = function(){ var dom; try{ dom = new ActiveXObject(getControlPrefix() + ".XmlDom"); dom.async = false; dom.validateOnParse = false; dom.resolveExternals = false; var settingsNode = dom.createElement("settings"); var theEnum = new Enumerator(this.settings); while(!theEnum.atEnd()){ var el = theEnum.item(); var theSetting = dom.createElement("setting"); var ......<img src="../leadbbsfile/UBBicon/em09.GIF" width=20 height=20 align=absmiddle border=0>