How do you slow down the fade in this script?

[BeverlyC]

Can someone please tell me what part of the code I can edit in order to slow down the fade a bit?

http://www.dynamicdrive.com/dynamicindex14/fadeinslideshow.htm

Thanks,
Beverly

[Twey]

if (obj.degree<100){
obj.degree+=10Change the number in red. Higher is faster.