function pass_to_text(v)
{
	var div_txt = $('div_' + v + '_text');
	div_txt.setStyle('display','block');
	var div_pass = $('div_' + v + '_pass');
	div_pass.setStyle('display','none');
	var txt=$(v + '_text');
	txt.focus();
}

function text_to_pass(v)
{
	var pass=$(v + '_pass');
	var div_txt = $('div_' + v + '_text');
	div_txt.setStyle('display','none');
	var div_pass = $('div_' + v + '_pass');
	div_pass.setStyle('display','block');
	pass.focus();
}