over_pic=new Image();
over_pic.src='img/logo1.png';
out_pic=new Image();
out_pic.src='img/logo0.png';
function logotip(a)
{
  if (a==1) document.getElementById('logo').src=over_pic.src;
  else document.getElementById('logo').src=out_pic.src;
  if(typeof fixPNG == 'function') {
     fixPNG(document.getElementById('logo'));
  }
}
function show_full(id)
{
  if (document.getElementById('full_'+id).style.display=='block')
      document.getElementById('full_'+id).style.display='none';
  else
    {
      document.getElementById('full_'+id).style.display='block';
    }
}