function lrheight(obj)
{
  var right_height=document.getElementById("content").scrollHeight;
  if (right_height<600) 
    right_height=600;
  document.getElementById("left1").style.height=right_height-319+'px';
  document.getElementById(obj).style.height=right_height+'px';
}

function show(code)
{
  document.getElementById("dv11").style.display='none';
  document.getElementById("dv22").style.display='none';
  document.getElementById("dv33").style.display='none';

  document.all.dva.className='';
  document.all.dvb.className='';
  document.all.dvc.className='';

  if (code==dv11)
  {
	document.getElementById("dv11").style.display='';
	document.all.dva.className='current';
  }
  if (code==dv22)
  {
	document.getElementById("dv22").style.display='';
	document.all.dvb.className='current';
  }

  if (code==dv33)
  {
	document.getElementById("dv33").style.display='';
	document.all.dvc.className='current';
  }
}