codice:<frameset rows="50%,50%" frameborder="NO" border="0" framespacing="0"> <frame name="topFrame" scrolling="NO" src="top.html" marginwidth="0" marginheight="0" frameborder="NO" bordercolor="#003366" > <frame name="mainFrame" src="under.html" marginwidth="0" marginheight="0" scrolling="AUTO" frameborder="NO" bordercolor="#003366"> </frameset>