img1=new Image
img2=new Image
img3=new Image
img4=new Image
img5=new Image
img6=new Image
img7=new Image
img8=new Image
img9=new Image
img10=new Image
img11=new Image
img12=new Image
img13=new Image
img14=new Image
img15=new Image
img16=new Image
img17=new Image
img18=new Image
img19=new Image
img20=new Image

img1.src="/images/button-home.gif"
img2.src="/images/button-home-roll.gif"

//img3.src="/images/button-about-us.gif"
//img4.src="/images/button-about-us-roll.gif"

img3.src="/images/button-did-you-know.gif"
img4.src="/images/button-did-you-know-roll.gif"

img5.src="/images/button-disciplines.gif"
img6.src="/images/button-disciplines-roll.gif"

img7.src="/images/button-pedagogy.gif"
img8.src="/images/button-pedagogy-roll.gif"

img9.src="/images/button-teachers.gif"
img10.src="/images/button-teachers-roll.gif"

img11.src="/images/button-photo-gallery.gif"
img12.src="/images/button-photo-gallery-roll.gif"

img13.src="/images/button-registrations.gif"
img14.src="/images/button-registrations-roll.gif"

img15.src="/images/button-links.gif"
img16.src="/images/button-links-roll.gif"

img17.src="/images/button-contact-us.gif"
img18.src="/images/button-contact-us-roll.gif"

img19.src="/images/button-calendar.gif"
img20.src="/images/button-calendar-roll.gif"