For change the color for few second

Question

hi 
i m harish varshney .........
 i  want to go one button  to another   button   when  occuring    event (click event ) on third button .to identify this action i want  the background color of button should be red ...but problem is this when  i will click the button the second button color must be a  red  for some second ...............then target button  color should be a red  .................
please  help me ...............i m in big trouble