function smiley_image($url) {
return "<img src=\"$url\" alt=\"Emoticon\" class=\"emoticon\">";
}

function smileys($str) {

  $i=0;
  //:-)
  $patterns[$i] = '/:-\)/';
  $replacements[$i++] = smiley_image("gfx/smiley/smiley.gif");
  // :)
  $patterns[$i] = '/:\)/';
  $replacements[$i++] = smiley_image("gfx/smiley/smiley.gif");
  // :o)
  $patterns[$i] = '/:o\)/';
  $replacements[$i++] = smiley_image("gfx/smiley/smiley.gif");
  // ;-)
  $patterns[$i] = '/;-\)/';
  $replacements[$i++] = smiley_image("gfx/smiley/blink.gif");
  // ;o)
  $patterns[$i] = '/;o\)/';
  $replacements[$i++] = smiley_image("gfx/smiley/blink.gif");
  // ;)
  $patterns[$i] = '/;\)/';
  $replacements[$i++] = smiley_image("gfx/smiley/blink.gif");
  // :-(
  $patterns[$i] = '/:-\(/';
  $replacements[$i++] = smiley_image("gfx/smiley/sur.gif");
  // :(
  $patterns[$i] = '/:\(/';
  $replacements[$i++] = smiley_image("gfx/smiley/sur.gif");
  // :o(
  $patterns[$i] = '/:o\(/';
  $replacements[$i++] = smiley_image("gfx/smiley/sur.gif");
  // :-D
  $patterns[$i] = '/:-D/';
  $replacements[$i++] = smiley_image("gfx/smiley/smiley_d.gif");
  // :D
  $patterns[$i] = '/:D/';
  $replacements[$i++] = smiley_image("gfx/smiley/smiley_d.gif");
  // :-D
  $patterns[$i] = '/:-D/';
  $replacements[$i++] = smiley_image("gfx/smiley/smiley_d.gif");
  // ;-D
  $patterns[$i] = '/;-D/';
  $replacements[$i++] = smiley_image("gfx/smiley/smiley_d.gif");
  // ;D
  $patterns[$i] = '/;D/';
  $replacements[$i++] = smiley_image("gfx/smiley/smiley_d.gif");
  // <3
  $patterns[$i] = '/&lt\;3/';
  $replacements[$i++] = smiley_image("gfx/smiley/heart.gif");