current url

[code=php]
<?php
$url_string = ‘http://’ . $_SERVER[‘SERVER_NAME’] . $_SERVER[‘REQUEST_URI’];
$parse_url = parse_url($url_string);
$host = $parse_url[‘host’];
$host_arr = explode(‘.’, $host);
$parts = count($host_arr);
$new_host = $host_arr[$parts – 2] . ‘.’ . $host_arr[$parts – 1];

if ($new_host != $host){
//echo ” ok if this url has not changed do nothing”;
}
else{

//echo ” ok if it did then trigger onunload event”;
}
/*
Ok if current window is no longer the same $new_host, such as if a frame breaker happen
or if a person closed current window, then it needs to trigger the onunload event, that would popup a php page.
*/
?>
[/code]

reason it needs to work like this is, because i will need to be able to click links in the frame and by just using a onunload event it seems i get a popup everytime i click a link, so now i am resorting to this method.

So if you know php and javascript, could use a little help in figuring this out.

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