function ckeckrude( data )
{
  //block คำหยาบ และประโยคที่จะนำมาแทนที่
  var wordrude = new Array ( "xxx","xxx","xxx","xxx","xxx","xxx","xxx","xxx","xxx","xxx","xxx","xxx","xxx","xxx","xxx","มึง","xxx","xxx","xxx","xxx","xxx","xxx","xxx","xxx","กู","ควย","xxx","xxx","xxx","xxx","ปี้","เหี้ย","xxx","xxx","xxx","xxx","xxx","xxx","xxx","xxx","xxx","สัด","เย็ด","หี","xxx","แม่ง","xxx","xxx","แตด" );
  var wordchange = '<font style="color:red">--</font>';

  for ( n = 0 ; n < wordrude.length ; n++ )
  {
    pattern = new RegExp( wordrude[n] , "gi" );
    data = data.replace( pattern , wordchange );
  };
  return data;
};