var cnnPix = new Array("/2001/SHOWBIZ/Music/03/27/lennon.car/story.interior1.fleetwoodow.jpg","/2001/SHOWBIZ/Music/03/27/lennon.car/story.interior2.fleetwoodow.jpg","/2001/SHOWBIZ/Music/03/27/lennon.car/story.interior3.fleetwoodow.jpg","/2001/SHOWBIZ/Music/03/27/lennon.car/story.interior4.fleetwoodow.jpg");
var thisPic = 0;  
var lastPic = 3;

function processPrevious() {
        if (document.images) {
                if (thisPic==0) 
                {
                    thisPic=lastPic; 
                 }
                 else 
                 {
                    thisPic--;                 
                 }
                  document.myPicture.src=cnnPix[thisPic];
        }
}
function processNext() {
        if (document.images) {
                if (thisPic==lastPic) 
                {
                    thisPic=0; 
                 }
                 else 
                 {
                thisPic++; 
                }
                document.myPicture.src=cnnPix[thisPic];
        }     
}