String month; %> year =request.getParameter("year"); %> 日 function changeMonth() { var mm="calendar.jsp?month="+document.sm.elements[0].selectedIndex+"&year=" +; window.open(mm,"_self"); } // days=new String[42]; for(int i=0;i { days[i]=""; } %> Calendar thisMonth=Calendar.getInstance(); if(month!=null&&(!month.equals("null"))) thisMonth.set(Calendar.MONTH, Integer.parseInt(month) )...