com formulário

olha eu fiz um em php mais nao ta dando certo

algume me ajude

por favou

olha o site

e

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e deu uma vez certo mais dai so mandou o comentario nao mandava a informacao de telefone e new deo nome nada

o codigo e

<?if (!$_POST) {?>	<form action="" method="post" name="frm_contato" id="frm_contato"> <label for="nome">Name: </label><br />	<input type="text" name="nome" id="nome" /><br /> <label for="email">Email address: </label><br />	<input type="text" name="email" id="email" /><br /> <label for="telefone">Telephone number: </label><br />	<input type="text" name="telefone" id="telefone" /><br /> <label for="comentarios">Comments: </label><br />	<textarea name="comentarios" id="comentarios" rows="5" cols="30"></textarea><br /> <button type="submit">Send</button> </form><?}else {	$nome = $_POST["nome"];	$telefone = $_POST["telefone"];	$email = $_POST["email"];	$comentarios = $_POST["comentarios"]; $body = "Name: $name\nEmail address: $email\nTelephone number: $telefone\nComments	$comentarios\n	"; if (mail("GuTo<wbpdesign@msn.com>","TESTE",$body,"From:$nome<$email>")) {#Junor<info@wbpdesign.com> echo "The email has sent with sucess!<br />";	}	else { echo "The email has NOT send!<br />";	}	/*	echo "<br />Name:<br />" . $nome;	echo "<br />Email address:<br />" . $email;	echo "<br />Telephone number:<br />" . $telefone; echo "<br />Comments:<br />". $comentarios;	echo "<br /><br />Thanks!";	*/}?>