<?php 
session_start(); 

if (!isset($_SESSION[iterate])) 
{ 
if(!isset($HTTP_COOKIE_VARS["users_resolution2"]))  

//means cookie is not found set it using Javascript  
{  
$_SESSION[iterate]=1;  
?>  
<script language="javascript">  
<!--  
writeCookie();  

function writeCookie()  
{  

var the_cookie = "users_resolution2="+ screen.width +"x"+ screen.height;  

document.cookie=the_cookie  

location ='<?php echo $_SERVER['PHP_SELF'];?>';  
}  
//-->  
</script>  
<?php  
}  
else{ 
$screen_resolution = $HTTP_COOKIE_VARS["users_resolution2"];  
}  
} 
else{ 
$screen_resolution = $HTTP_COOKIE_VARS["users_resolution2"];  
}  


if($screen_resolution >= "1024x768" && $screen_resolution != "1024x768") {
	echo "reklam";
}
?>