Não faz upload de imagem

Estou com um problema que meu site não quer atualiza a imagem ele não envia imagem pra pasta

obs: ele tá com chmod777

<?

function delete_file($name)
	{
 if (file_exists($name))
 unlink($name);
	}

	if ($_GET['send']=='1')
	{
 session_start();

 $filename = "../upload/" . uniqid("").tmp;

 $ext = strrchr($HTTP_POST_FILES["file"]["name"], '.');
 move_uploaded_file($HTTP_POST_FILES["file"]["tmp_name"], $filename);

 /*if ($ext=='.gif')
 {
 passthru("gif2png -O -d ../upload/". $filename);
 $filename = $filename . ".png";
 $img = @imagecreatefrompng($filename);
 }
 else*/ if($ext=='.jpg' && filesize($filename)<300832)
 $img = @imagecreatefromjpeg($filename);
 else
 {
 delete_file($filename);
 header('Location: upload.php?cm='. $_GET['cm'] .'&error=Only .jpg files smaller than 300kb are allowed&refresh='. uniqid(""));
 die();
 }

 if (strlen($_GET['cm'])>0)
 {
 delete_file('c_'. $_GET['cm'].'.jpg');
 delete_file('c_'. $_GET['cm'].'_m.jpg');
 }
 else
 {
 delete_file($_SESSION['id'].'.jpg');
 delete_file($_SESSION['id'].'_m.jpg');
 }

 $size = getimagesize($filename);
 $width= $size[0];
 $height= $size[1];

 if ($width>128)
 {
 $percentage = 128 / $width;
 $width *= $percentage;
 $height *= $percentage;

 $img_r = imagecreatetruecolor ($width, $height);
 imagecopyresampled($img_r, $img, 0, 0, 0, 0, $width, $height, $size[0], $size[1]);
 }
 else
 {
 $img_r = $img;
 }

 if ($width>64)
 {
 $percentage = 64 / $width;
 $width *= $percentage;
 $height *= $percentage;
 }
 $img_sm = imagecreatetruecolor($width, $height);
 imagecopyresampled($img_sm, $img, 0, 0, 0, 0, $width, $height, $size[0], $size[1]);

 if (strlen($_GET['cm'])>0)
 {
 ImageJpeg($img_r, "../upload/c_". $_GET['cm'] . ".jpg", 100);
 ImageJpeg($img_sm, "../upload/c_". $_GET['cm'] . "_m.jpg", 100);
 }
 else
 {
 ImageJpeg($img_r, "../upload/". $_SESSION['id'] . ".jpg", 100);
 ImageJpeg($img_sm, "../upload/". $_SESSION['id'] . "_m.jpg", 100);
 }

 delete_file($filename);

 header('Location: upload.php?cm='. $_GET['cm'] .'&refresh='. uniqid(""));
 die();
	}

	require("../include/pre.php");	// all the basic stuff
	require("../include/stringtools.php");

	draw_top($topic_message);	//starts drawing the page
?>
<table width=100% cellpadding="0" cellspacing="0">
<tr>
	<td align="center" valign="top" width="100%">
 <?
 draw_frame_top("Picture Upload");
 ?>
 <table width="100%">
 <form method="post" action="upload.php?send=1" enctype="multipart/form-data">
 <tr>
 <td width="15%" valign="top">
 <table width=180 cellspacing=0 cellpadding=0>
 <tr><td align="center">
 <?
 show_system_messages();

 if (strlen($_GET['cm'])>0)
 draw_community_picture($_GET['cm']);
 else
 draw_user_picture($_SESSION['id']);

 echo "<br><br>";

 if (strlen($_GET['cm'])>0)
 draw_community_small_picture($_GET['cm']);
 else
 draw_user_small_picture($_SESSION['id']);
 ?>
 </td></tr>
 </table>
 </td>
 <td width="85%" valign="top">
 <?
 draw_small_frame_top((strlen($_GET['cm'])>0 ? " Community Picture" :"User Picture"), "mini_smile");
 ?>
 <table width="100%">
 <tr>
 <td width="10%" valign="top" align="right">
 <b>File:</b><br>
 </td>
 <td width="90%">
 <input type="file" name="file" size=30>
 </td>
 </tr>
 <tr>
 <td></td>
 <td align="left">
 <input type="submit" value="Update Picture"> 
 </td>
 </tr>
 </table>
 <br>
 <table width="80%" align="center" bgcolor="#FFFFCC" style="border: 1px solid #bbbbbb">
 <tr>
 <td align="center"><b>Important:</b> Only .jpg files smaller than 300kb are allowed.<br>
 If the pictures aren't correct after the upload try pressing <b>CTRL+F5</b>
 </td>
 </tr>
 </table>
 <?
 draw_small_frame_bottom();
 ?>
 </td>
 </tr>
 </form>
 </table>
 <?
 draw_frame_bottom();
 ?>
	</td>
</tr>
</table>

	draw_bottom();
?>