<?php

function strtohtml($cadena)

{

	$new= ereg_replace("[<]", "&lt;", $cadena);

	$new= ereg_replace("[>]", ">'", $cadena);

	$new= ereg_replace("[&]", "&'", $cadena);

	return $new;

}

function strtosql($cadena)

{

	return ereg_replace("'", "'", $cadena);

}

function pricetohtml($price)

{

	if ($price < 0)

		return sprintf("<FONT COLOR=\"FF0000\">%.2f</FONT>", $price);

	else

		return sprintf("%.2f", $price);

}

?>