function not(){
document.img1.src="images/categories/7.gif"
document.img11.src="images/categories/10.gif"
document.img12.src="images/categories/13.gif"
document.img13.src="images/categories/17.gif"
document.img14.src="images/categories/19.gif"
document.img15.src="images/categories/22.gif"
}
function imgOn(imgName) {
if (document.images) {
document.img1.src = imgName;        }}
function imgOn1(imgName1) {
if (document.images) {
document.img11.src = imgName1;        }}
function imgOn2(imgName2) {
if (document.images) {
document.img12.src = imgName2;        }}
function imgOn3(imgName3) {
if (document.images) {
document.img13.src = imgName3;        }}
function imgOn4(imgName4) {
if (document.images) {
document.img14.src = imgName4;        }}
function imgOn5(imgName5) {
if (document.images) {
document.img15.src = imgName5;        }}