function ShowTab2(id)
{
    var currentobjTAB;
    var currentobjINFO;
    for (var i=0; i<4; i++)
    {
        currentobjTAB = document.getElementById('btab'+i);
        currentobjINFO = document.getElementById('btabinfo'+i);
        
        if (i+''!=id)
        {
            currentobjINFO.style.display='none';
            currentobjTAB.className = '';
        }
        else
        {
            currentobjINFO.style.display='block';
            currentobjTAB.className = 'bselect'+i;
        }
          
    }
}