TabHost outside a TabActivity

Hi i have tabactivity main class it which extends the Tabactivity in that i have bottom tabwidget ,in one of the tabspec it will goes next screen but tabiwdge bottom is missing,
can you please help how to do this

public class sample extends TabActivity {
/** Called when the activity is first created. */
DatabaseCreation databasecreation=new DatabaseCreation();
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Resources res = getResources(); // Resource object to get Drawables
TabHost tabHost = getTabHost(); // The activity TabHost
TabHost.TabSpec spec; // Resusable TabSpec for each tab
Intent intent; // Reusable Intent for each tab

// Create an Intent to launch an Activity for the tab (to be reused)
//Daily tab
intent = new Intent().setClass(this,Daily.class);
spec = tabHost.newTabSpec("Daily")
.setIndicator(" ",res.getDrawable(R.drawable.tab_daily))
.setContent(intent);
tabHost.addTab(spec);

//Tenday tab
intent = new Intent().setClass(this,Tenday.class);
spec = tabHost.newTabSpec("Tenday")
.setIndicator("", res.getDrawable(R.drawable.tab_tenday))
.setContent(intent);
tabHost.addTab(spec);

//Hourly Tab
intent = new Intent().setClass(this,Hourly.class);
spec = tabHost.newTabSpec("Hourly").setIndicator("",res.getDrawable(R.drawable.tab_hourly))
.setContent(intent);
tabHost.addTab(spec);

//Map Tab
intent = new Intent().setClass(this,map.class);
spec =tabHost.newTabSpec("Maps").setIndicator("",res.getDrawable(R.drawable.tab_map))
.setContent(intent);
tabHost.addTab(spec);

//More Tab
intent = new Intent().setClass(this,More.class);
spec = tabHost.newTabSpec("More").setIndicator("",res.getDrawable(R.drawable.tab_more)).setContent(intent);
tabHost.addTab(spec);
}
}

i have posted the my code ..each actvity have list activity .one of the list item clicks on go to next screen in that bottomtabwidget is missing