vaadin+javascript....loading javascript libraries

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1

Hi all,
i have integrated vaadin with ExtJs…cool everything is going fine…but the problem is loading extjs library…my extjs library is of 2mb…to load onto the chrome browser,it is taking 4-5mins…any tips,guidance will be needful…

@JavaScript({"Jslibraries/ext-all.js","Jslibraries/sch-all-debug.js","js/SchdeulerConnector.js","})
@StyleSheet({"Jslibraries/examples.css","Jslibraries/ext-theme-classic-all.css","Jslibraries/sch-all.css","Jslibraries/style.css"})
//@JavaScript({ "Schdeuler.js" })
public class SchedulerComponent extends AbstractJavaScriptComponent  {
    public void setId(String id){
        getState().divId="";
    }
    public String getId(){
        return getState().divId;
    }