//Advanced Class Members
var zorra = new Array ("images/0adv.jpg","images/1adv.jpg","images/2adv.jpg","images/3adv.jpg","images/4adv.jpg");
thisPic = 0;
imgCt = zorra.length -1;

function chgSlide(direction) {

if (document.images) {
thisPic = thisPic + direction;
if (thisPic > imgCt) {
 thisPic = 0;
}
if (thisPic < 0) {
thisPic = imgCt;
}
document.myPicture.src=zorra[thisPic];
}
}