hello

i am using RS form pro rev 46 kindly tell me i amd making an order form without ay payment
cusotmer fill the forms and order thing..now i have provided hidden field with order id to track customer order ...i applied code i.e

//<code>
return "QR2013-".str_pad(intval(@mysql_result(mysql_query("SELECT COUNT(`SubmissionId`) cnt FROM ".$RSadapter->tbl_rsform_submissions." WHERE FormId=3"),0)),3,"0",STR_PAD_LEFT);
//</code>

it works generate number but order id always come with same out put number i.e QR2013-000
i need it to increase sequentially kindly help.... after that i searched and found code

//<code>
$db=JFactory::getDBO();
$db->setQuery("SELECT COUNT(`SubmissionId`) cnt FROM #__rsform_submissions WHERE FormId=1");
$db->query();
$result=$db->loadResult();
return intval($result)+1;
//</code>

and applied but i get +1 in code no pre static code as i need the output

kindly help me and give me code that can generate random id in hidden field on form submission other then already generated id with constant prefix

i hope half solution is in it half ...kindly provide full code for help as i copy past e it
regards