function mysql_field_name ใน php ถ้าจะใช้ใน SQL Server จะใช้ อย่างไรครับ

<?
	$objConnect = mssql_connect("localhost","sa","") or die("Error Connect to Database");
	$objDB = mssql_select_db("mydatabase");
	$strSQL = "SELECT * FROM customer";
	$objQuery = mssql_query($strSQL) or die ("Error Query [".$strSQL."]");
	$intNumField = mssql_num_fields($objQuery);
	$i = 0;
	echo "<b>Table customer have $intNumField Fields.</b><br>";
	for($i=1;$i<$intNumField;$i++)
	{
		echo $i."=".mssql_field_name($objQuery,$i)." (".mssql_field_type($objQuery,$i).")<br>";	
	}
	mssql_close($objConnect);
?>