Image alpha change in flash

Image alpha change in flash

---

                                                          Day

                                                      Night


First import images to flash document in different  layers name as bellow

Now go to the day layer select image go to modify--->Convert to symbol type Movie clip dialog box fill as bellow

Then select day layer image give the instance name as fader_mc
select action layer press F9 button then action window appears type the bellow scripts  in the action window.

 mouseInterval=setInterval(changeAlpha,10);
function changeAlpha() {
fader_mc._alpha=Math.round

(_root._xmouse/550*100)
}

Now go to control-->Test Movie you can see the alpha changes mouse over other image