try{
	if(document.getElementById('NavigationActiveImage2').src != null)
  {
    document.getElementById('NavigationActiveImage1').src = 'files/navigation/IMV/pil_trans.gif';
    document.getElementById('button_on1').style.color = '#acc270';
  }

 if(document.getElementById('NavigationActiveImage3').src != null)
  {
    document.getElementById('NavigationActiveImage2').src = 'files/navigation/IMV/pil_trans2.gif';
    document.getElementById('button_on2').style.color = '#acc270';
  }
}
catch(err){

}