How can I install windows xp drivers in windowzs vista operating system ?

I have a Toshiba lap top that was install windows vista and recently I want to change the operating system in to xp so I format and install windows xp but the drivers cd is only compatble on windows vista I try to check the toshiba website they put the driver only work on window vista so is there any method to downlod drivers to window xp please help sound vga, modem ................is not working

thanks

soory about my english lungageHow can I install windows xp drivers in windowzs vista operating system ?
I could be wrong on this, but I think Windows update will sometimes find the correct drivers for you, but are you sure you want to use XP instead of Vista. Vista is much better.