var nn4 = document.layers;
var nn6 = document.getElementById && !document.all;
var nn = nn4 || nn6;
var ie = document.all && !nn;
var dhtml = document.getElementById || document.all || document.layers;

function js_object(myRef) {
    if (!dhtml) {return;}
    if (nn6) {myRef = document.getElementById(myRef);}
    else if (nn4) {myRef = document.layers[myRef];}
    else {myRef = document.all[myRef];}
    return(myRef);}
	
function js_write(myRef, msg) {
   if (nn4) {
       js_object(myRef).document.write(msg);
       js_object(myRef).document.close();}
   else {
       js_object(myRef).innerHTML = msg;}
 }
 
//var pics= new Array("images/i_balague_01.jpg","images/i_balague_02.jpg","images/i_balague_03.jpg");
//var legends= new Array("Balagué: village au fond de la vallée","Image 2","image 3");

//Délai entre les diapositives en millisecondes.
var delay = 7000;
var lock = false;
var run;

var count= -1;
var num= pics.length;
function set_thumbnails() {
	j=0;
    document.write("<div id='slideshow' class='class1'>");
    for (i=0; i<num; i++) {
          document.write(">img src='"+pics[i] +"' width=100px onclick='actualize("+i+")'><p>");}
    document.write("</div>");}
	
function actualize(k) {
    count = k;
    document.images[0].src= pics[count];
    js_write('div2',legends[count]);}
function previous(form) {
    count += -1;
    if (count <0) {count= 0;}
    document.images[0].src= pics[count];
    js_write('div2',legends[count]);}
function next(form) {
    count += 1;
    if (count > (num-1)) {count= 0;}
    document.images[0].src= pics[count];
    js_write('div2',legends[count]);} 
function auto() {
if (lock == true) {
	lock = false;
	window.clearInterval(run);
	}
	else if (lock == false) {
	lock = true;
	run = setInterval("next()", delay);
   }
}