<iframe style="display: none;" name="h_iframe" width="1" height="1"></iframe>
<form action="фаил.php" method="post" name="img_upload" enctype="multipart/form-data" target="h_iframe">
<div id="imageId">
<img src="картинка" />
</div>
<p>
<label class="file_upload">
<span class="button">
Выбрать
</span>
<input type="file" name="upload_photo" onchange="img_upload.submit();" />
</label>
</p>
</form>
<div id="image_upload_status"></div>

<?php
$upload_photo = md5(uniqid(rand(),1)).".jpg";
if (is_uploaded_file($_FILES['upload_photo']['tmp_name']))
{
if ( ($_FILES['upload_photo']['type'] == 'image/gif' || $_FILES['upload_photo']['type'] == 'image/jpeg' || $_FILES['upload_photo']['type'] == 'image/png') && $_FILES['upload_photo']['size'] <= 5120000 )
{
copy($_FILES['upload_photo']['tmp_name'],"путь".$upload_photo);
$src = 'путь'.$upload_photo;
$dest = 'путь'.$upload_photo;
include("другой путь/resize.php");
img_resize($src, $dest, 198, 229);		
echo "<script type=\"text/javascript\">parent.document.getElementById(\"imageId\").innerHTML = '<img src=\"путь{$upload_photo}\" style=\"vertical-align: middle; border-radius:3px;\">';</script>";
}
else if (($_FILES['upload_photo']['type'] != 'image/gif' && $_FILES['upload_photo']['type'] != 'image/jpeg' && $_FILES['upload_photo']['type'] != 'image/png'))
{
echo "<script type=\"text/javascript\">parent.document.getElementById(\"image_upload_status\").innerHTML = '<p class=\"image_error\">Недопустимый тип файла</p>';</script>";
}
else if ($_FILES['upload_photo']['size'] > 512000)
{
echo "<script type=\"text/javascript\">parent.document.getElementById(\"image_upload_status\").innerHTML = '<p class=\"image_error\">Недопустимый размер файла</p>';</script>";
}
else
{
echo "<script type=\"text/javascript\">parent.document.getElementById(\"image_upload_status\").innerHTML = '<p class=\"image_error\">Произошла ошибка при загрузке файла</p>';</script>";
}
}
?>