The Shockwave file not work automatically.....pls help

[emadtira]

dear experts,

i am sorry to ask about something in powerpoint but i really need your quick help.

i imported a shockwave file to slide in powerpoint, at first when i ran the slideshow the shockwave movie was working automatically but now i have to make right click on the object and choose play from the menu.

is there anyway to get it working automatically back ???

thx for help