sqlsrv_connect function cant connect

[adamkini]

hi
i was writing a code to connect to sql server database..the username,passwo rd,and database name are all ok but it can't connect i have enable mixed mode authentication in sql server...it just says connection failed
here is the code

function db_connect(){  
   	$servername ='mail';
	$root ='fund_nouser';
	$pass ='****';
	$dbname='fundmaster';
	$connectionInfo= array("UID"=>$root,
						   "PWD"=>$pass,
						   "Database"=>$dbname);	
	$cx = cx();
//connection string
   if ($cx == 0){
    $conn = sqlsrv_connect($servername,$connectionInfo);
   }
   	if (!$conn)
	{
		exit("Connection Failed: " . $conn); 
		return 0;
	}
	else
	{
	 /
	return $conn;
	}
}

[Markus]

Take a look at the sqlsrv_errors function to see if it can help you debug the problem.