I have to load page from remote server into iframe.Page contains html form and i have to get this form when submited to mysql baze on my server.and to submit to remote server.I used curl to get form paremters load iframe and then to change action method to my server where i get form data save data to mysql base and post data to remote server.And I must set tracking pixel how and what is tracking pixel.My javascript code looks like :
<script type="text/javascript">
<?php
echo "var id='".$niz['id']."';";
echo "\r";
?>
alert("");
var page=window.frames['page'];
var form=page.document.getElementById(id);
form.action="<?php echo HOST."save.php"; ?>";
</script>
When I remove alert from page script dont works when i return alert("") script works what is problem.