<HTML> <HEAD> <SCRIPT LANGUAGE="javaScript"> function verifica(parola) { if (parola=="ciao") alert("corretta") else alert("incorrect entry") } </SCRIPT> </HEAD> <BODY> <FORM> <INPUT TYPE="password" NAME=str VALUE="ciao" SIZE="8"> <INPUT TYPE="button" VALUE="ok"onClick="verifica(str)"> </FORM> </BODY> </HTML>