Solution : https://service.sap.com/sap/support/notes/1576034 (SAP Service marketplace login required)
Key words :
correction requires note 1575776 abap renderer part, apr/04/2011these corrections solve, abap renderer part, ur mimes part, web dynpro abap, 172780- source code line, dropdown list box, light speed reason, sap_basis 701 support package 10, attached correction instructions
Related Notes :
1574346 | Cell height changes with dropdown list box |
1573680 | Screen scrolls in Firefox |
1572844 | Focus not on input field after onChange |
1561626 | Text edit does not scroll |