/**
* Usage: safe_redirect('http://www.google.com'); 
*
*/

function safe_redirect($url){
	?><script>
	<!--
	  window.location= "<? echo $url; ?>"
	//-->
	</script> 
  	<?  
}

If your page has already sent headers to the browser you cant redirect with headers('Location:' . $url);

But you can use the following:

Safe redirection

javascript, php, redirect

PHP