// Validate numeric input
function isNum($value) {
return (preg_match("/^[0-9]+$/", $value));
}
// Parse smiley bbcode into HTML images
function parsesmileys($message) {
$smiley = array(
"#\:\)#si" => "<img src='".IMAGES."smiley/smile.gif' alt='smiley'>",
"#\;\)#si" => "<img src='".IMAGES."smiley/wink.gif' alt='smiley'>",
"#\:\(#si" => "<img src='".IMAGES."smiley/sad.gif' alt='smiley'>",