Send email with php

Hello there. I have this script for sending an email with flash and php. But it is not working. And I don’t know what to do. I never work with flash and php this is my first time.
Here is my AS script for any help:
var loadObject:Object = {sender_numeInstitutie:" “, sender_adresa:” “, sender_loc:” “, sender_jud:” “, sender_codPostal:” “,
sender_mail:” “, sender_numePrenume:” "};

sendFormMC.sendButton.onRelease = function() {
loadObject.sender_numeInstitutie = _root.sendFormMC.sendThis.SnumeInstitutie.text;
loadObject.sender_adresa = _root.sendFormMC.sendThis.Sadresa.text;
loadObject.sender_loc = _root.sendFormMC.sendThis.Sloc.text;
loadObject.sender_jud = _root.sendFormMC.sendThis.Sjud.text;
loadObject.sender_codPostal = _root.sendFormMC.sendThis.ScodPostal.text;
loadObject.sender_mail = _root.sendFormMC.sendThis.Semail.text;
loadObject.sender_numePrenume = _root.sendFormMC.sendThis.SnumePrenume.text;

//loadVariables("sendOrder.php", loadObject,"POST");
 var msg_lv = new LoadVars();
 var rtn_lv = new LoadVars();
 rtn_lv.onLoad = function(success:Boolean) {
     if (success) {
         _root.sendFormMC.output.text = "OK";
     }else {
         _root.sendFormMC.output.text = "Problem connecting to the server.";
     }
 }
 msg_lv._numeInstitutie = _root.sendFormMC.sendThis.SnumeInstitutie.text;
 msg_lv._adresa= _root.sendFormMC.sendThis.Sadresa.text;
 msg_lv._loc = _root.sendFormMC.sendThis.Sloc.text;
 msg_lv._jud = _root.sendFormMC.sendThis.Sjud.text;
 msg_lv._codPostal = _root.sendFormMC.sendThis.ScodPostal.text;
 msg_lv._mail = _root.sendFormMC.sendThis.Semail.text;
 msg_lv._numePrenume = _root.sendFormMC.sendThis.SnumePrenume.text;
 msg_lv.sendAndLoad("sendOrder.php", rtn_lv, "POST");

}

/CANCEL/
sendFormMC.cancelButton.onRelease = function() {
sendFormMC.sendThis.SnumeInstitutie.text = ‘’;
sendFormMC.sendThis.Sadresa.text = ‘’;
sendFormMC.sendThis.Sloc.text = ‘’;
sendFormMC.sendThis.Sjud.text = ‘’;
sendFormMC.sendThis.Semail.text = ‘’;
sendFormMC.sendThis.SnumePrenume.text = ‘’;
sendFormMC.sendThis.ScodPostal.text = ‘’;

sendFormMC.sendButton.enabled = false;

}

Thank you.