// JavaScript Document
function mascara_rut(rut,cassilla)
{
  var tmpstr = "";
  for ( i=0; i < rut.length ; i++ )
    if ( rut.charAt(i) != ' ' && rut.charAt(i) != '.' && rut.charAt(i) != '-' && ( (rut.charAt(i) == '0') || (rut.charAt(i) == '1') || (rut.charAt(i) == '2') || (rut.charAt(i) == '3') || (rut.charAt(i) == '4') || (rut.charAt(i) == '5') || (rut.charAt(i) == '6') || (rut.charAt(i) == '7') || (rut.charAt(i) == '8') || (rut.charAt(i) == '9') || (rut.charAt(i) == 'k') || (rut.charAt(i) == 'K') ) )
      tmpstr = tmpstr + rut.charAt(i);
  rut = tmpstr;
  largo = rut.length;
// [VARM+]
  tmpstr = "";
  for ( i=0; rut.charAt(i) == '0' ; i++ );
  for (; i < rut.length ; i++ )
     tmpstr = tmpstr + rut.charAt(i);
  rut = tmpstr;
  largo = rut.length;

  var invertido = "";
  for ( i=(largo-1),j=0; i>=0; i--,j++ )
    invertido = invertido + rut.charAt(i);
  var drut = "";
  drut = drut + invertido.charAt(0);
  drut = drut + '-';
  cnt = 0;
  for ( i=1,j=2; i<largo; i++,j++ )
    {
    if ( cnt == 3 )
    {
      drut = drut + '.';
      j++;
      drut = drut + invertido.charAt(i);
      cnt = 1;
    }
    else
    {
      drut = drut + invertido.charAt(i);
      cnt++;
    }
  }
  invertido = "";
  for ( i=(drut.length-1),j=0; i>=0; i--,j++ )
  {
  	if (drut.charAt(i)=='k')
  		invertido = invertido + 'K';
  	else
    	invertido = invertido + drut.charAt(i);
  }
  cassilla.value = invertido;
  //casilla = invertido
}