What happens when you load http://localhost:8080/arcgis_js_api/library/2.6/jsapi/ in your browser?
when i load this url in chrome ,it responses a page with js like:/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
/*
This is an optimized version of Dojo, built for deployment and not for
development. To get sources and documentation, please visit:
http://dojotoolkit.org
*/
(function(){var _1=null;if((_1||(typeof djConfig!="undefined"&&djConfig.scopeMap))&&(typeof window!="undefined")){var _2="",_3="",_4="",_5={},_6={};_1=_1||djConfig.scopeMap;for(var i=0;i<_1.length;i++){var _7=_1;_2+="var "+_7[0]+" = {}; "+_7[1]+" = "+_7[0]+";"+_7[1]+"._scopeName = '"+_7[1]+"';";_3+=(i==0?"":",")+_7[0];_4+=(i==0?"":",")+_7[1];_5[_7[0]]=_7[1];_6[_7[1]]=_7[0];}eval(_2+"dojo._scopeArgs = ["+_4+"];");dojo._scopePrefixArgs=_3;dojo._scopePrefix="(function("+_3+"){";dojo._scopeSuffix="})("+_4+")";dojo._scopeMap=_5;dojo._scopeMapRev=_6;}(function(){if(typeof this["loadFirebugConsole"]=="function"){this["loadFirebugConsole"]();}else{this.console=this.console||{};var cn=["assert","count","debug","dir","dirxml","error","group","groupEnd","info","profile",........
when i load this url in ie8 ,it responses a dialog to confirm to download the jsapi.js file.