function changeImage() { 
MyImage.src="imgs/topmenu1on.gif"
MyImage2.src="imgs/topmenu2on.gif"
MyImage3.src="imgs/topmenu3on.gif"
MyImage4.src="imgs/topmenu4on.gif" 
MyImage5.src="imgs/topmenu5on.gif" 
MyImage6.src="imgs/topmenu6on.gif"
MyImage7.src="imgs/topmenu7on.gif" 
MyImage8.src="imgs/topmenu8on.gif"
}