function changeBox1() 
{
  document.getElementById('pass1').style.display='none';
  document.getElementById('pass2').style.display='';
  document.getElementById('password1').focus();
}
function restoreBox1() 
{
	if(document.getElementById('password1').value=='')
	{
	  document.getElementById('pass1').style.display='';
	  document.getElementById('pass2').style.display='none';
	}
}
function changeBox2() 
{
  document.getElementById('pass3').style.display='none';
  document.getElementById('pass4').style.display='';
  document.getElementById('password2').focus();
}
function restoreBox2() 
{
	if(document.getElementById('password2').value=='')
	{
	  document.getElementById('pass3').style.display='';
	  document.getElementById('pass4').style.display='none';
	}
}
function changeBox3() 
{
  document.getElementById('pass5').style.display='none';
  document.getElementById('pass6').style.display='';
  document.getElementById('password').focus();
}
function restoreBox3() 
{
	if(document.getElementById('password').value=='')
	{
	  document.getElementById('pass5').style.display='';
	  document.getElementById('pass6').style.display='none';
	}
}