Too few paramaters, connecting form and query

I have a login form that uses a seperate piece of code to validate the username and password from an Access database. I keep getting this error: "[Macromedia][SequeLink JDBC Driver][ODBC Socket][Microsoft][ODBC Microsoft Access Driver] Too few parameters. Expected 2." I am fairly sure that there is something wrong with either my query or my param statements, but I can't figure out what it is!