Unable to retrive data using php & mysql

hello,

for database connection i m using
var c = new LoadVars();

c.sendAndLoad(“flashmx_dbPassReturn.php”,d,“POST”) ;

in php file i connect db & echo $rString = “&n=”.$nrows."&";

while retriving data in flash action script it shows me “.$nrows.” not actual value
why this is so

pls help me…

thank you