@ZachSaucier Big Thanks for your Reply,
i did checked them before i write this post, but it didn't work, so i deleted all Functions and write it in the new GSAP form as
i replaced "var tl4 = new TimelineMax();" with the new version style "var tl4 = gsap.timeline();" which made it work but only for one time.
then when i added "var tl4 = new TimelineMax('repeat:-1');" which should makes it infinite loop, all contents disappear.
I am really not sure where is my mistake, this is why i posted the whole file so someone could take my hand and tell me exactly where to start and what to change.
Thanks alot again