public Vector obtieneSubMenu (String menuElegido , String submenuElegido,
		ServletContext sc, HttpServletRequest  request,	HttpServletResponse response) throws Exception{
	 String menu="";
	 Vector vectorSubMenu=(Vector)request.getAttribute("submenu");
	 Vector vectorSubMenuMostrar=new Vector();
	 int n=0;
	 try {  while (n < vectorSubMenu.size()) { 
			    MenuSubBeanData cvsubmenu = new MenuSubBeanData();
			    cvsubmenu=(MenuSubBeanData)vectorSubMenu.get(n);
				//accion=cvsubmenu.getAccion();
				menu=cvsubmenu.getMenu();
				if (menu.trim().equals(menuElegido))
				{
					if (cvsubmenu.getSubmenu().trim().equals(submenuElegido)){
						cvsubmenu.setSubmenuelegido("current");
					}
					vectorSubMenuMostrar.add(cvsubmenu);
				}
				n++;
		  } 
	 
	 } catch (Exception exc) {
		 con.rollback();
		 throw exc;
	  }
	 return vectorSubMenuMostrar;
}

request.getAttribute("submenu");

cvsubmenu = (MenuSubBeanData) vectorSubMenu.get(n);

public class MenuSubBeanData{
        private String menu="";
        private String submenu="";
        private String descripcion="";

        public String getMenu() {
		return menu;
	}
	public void setMenu(String menu) {
		this.menu = menu;
	}
        public String getSubmenu() {
		return submenu;
	}
	public void setSubmenu(String submenu) {
		this.submenu = submenu;
	}	
        public String getDescripcion() {
		return descripcion;
	}
	public void setDescripcion(String descripcion) {
		this.descripcion = descripcion;
	}
	
}