var current = 0;
function next(){ // forward one image
if(document.formname.slide[current+1]){
document.images.show.src = document.formname.slide[current+1].value;
document.formname.slide.selectedIndex = ++current;}
else{first();}}
function previous(){ // back on image
if((current-1) >= 0){
document.images.show.src = document.formname.slide[current-1].value;
document.formname.slide.selectedIndex= --current;}
else{last();}}
function first(){ // jump to first image
current=0;
document.images.show.src = document.formname.slide[0].value;
document.formname.slide.selectedIndex=0;}
function last(){ // this is jump to last image
current=(document.formname.slide.length-1);
document.images.show.src = document.formname.slide[current].value;
document.formname.slide.selectedIndex=current;}
function ap(text){ // this controls the auto-play and/or auto-stop
document.formname.slidebutton.value=(text == "Arreter") ? "Commencer" : "Arreter";
rotate();}
function change(){ // this is for the pulldown menu
current=document.formname.slide.selectedIndex;
document.images.show.src = document.formname.slide[current].value;
}
function popupimage(titre) {
current=document.formname.slide.selectedIndex;
url1 = document.formname.slide[current].value;
long = (url1).length;
ext = long - 4;
url = (url1).substr(0,ext);
w=open("",'image','width=400,height=400,toolbar=no,scrollbars=no,resizable=yes');
w.document.write(""+titre+"");
w.document.write("