function my_getbyid(id)
{
   itm = null;
   if (document.getElementById)
   {
      itm = document.getElementById(id);
   }
   else if (document.all)
   {
      itm = document.all[id];
   }
   else if (document.layers)
   {
      itm = document.layers[id];
   }
   
   return itm;
}
function select_tab(type)
{
  var type=type;
  if(type=='specifications')
  {
    my_getbyid('specifications').style.display='block';
    my_getbyid('gallery').style.display='none';
    my_getbyid('reviews').style.display='none';
    my_getbyid('alsolike').style.display='none';
    my_getbyid('tab0').className='tabon';
    my_getbyid('tab1').className='';
    my_getbyid('tab2').className='';
    my_getbyid('tab3').className='';
  }
  else if(type=='gallery')
  {
    my_getbyid('specifications').style.display='none';
    my_getbyid('gallery').style.display='block';
    my_getbyid('reviews').style.display='none';
    my_getbyid('alsolike').style.display='none';
    my_getbyid('tab0').className='';
    my_getbyid('tab1').className='tabon';
    my_getbyid('tab2').className='';
    my_getbyid('tab3').className='';
  }
  else if(type=='reviews')
  {
    my_getbyid('specifications').style.display='none';
    my_getbyid('gallery').style.display='none';
    my_getbyid('reviews').style.display='block';
    my_getbyid('alsolike').style.display='none';
    my_getbyid('tab0').className='';
    my_getbyid('tab1').className='';
    my_getbyid('tab2').className='tabon';
    my_getbyid('tab3').className='';
  }
  else if(type=='alsolike')
  {
    my_getbyid('specifications').style.display='none';
    my_getbyid('gallery').style.display='none';
    my_getbyid('reviews').style.display='none';
    my_getbyid('alsolike').style.display='block';
    my_getbyid('tab0').className='';
    my_getbyid('tab1').className='';
    my_getbyid('tab2').className='';
    my_getbyid('tab3').className='tabon';
  }
}