function SetCharacteristicTab()
    {
        document.getElementById('pestcharacteristics').style.display='inline';
        document.getElementById('pesthabitat').style.display='none';
        document.getElementById('pesttips').style.display='none';
        document.getElementById('li_characteristics').className='selected';
        document.getElementById('li_habitat').className='';
        document.getElementById('li_tips').className='';
    }
    
    function SetHabitatTab()
    {
        document.getElementById('pestcharacteristics').style.display='none';
        document.getElementById('pesthabitat').style.display='inline';
        document.getElementById('pesttips').style.display='none';
        document.getElementById('li_characteristics').className='';
        document.getElementById('li_habitat').className='selected';
        document.getElementById('li_tips').className='';
    }
    
    function SetTipTab()
    {
        document.getElementById('pestcharacteristics').style.display='none';
        document.getElementById('pesthabitat').style.display='none';
        document.getElementById('pesttips').style.display='inline';
        document.getElementById('li_characteristics').className='';
        document.getElementById('li_habitat').className='';
        document.getElementById('li_tips').className='selected';
    }