jQuery Scroll-Sub-Menu Demo

Section 1 - Sub-section 1

Section 1 - Sub-section 2

Section 1 - Sub-section 3

Section 1 - Sub-section 4

Section 2

Section 2 - Sub-section 1

Section 2 - Sub-section 2

Section 2 - Sub-section 3

Section 3

Section 3 - Sub-section1

Section 3 - Sub-section2