var image_courrante = 0 

function suiv()
{
 image_courrante++
 if (image_courrante > image.length-1)
 {
 //alert('img cour trop grande');
 image_courrante = 0;

 }
 
 document.imageAff.src = image[image_courrante] ;
 document.getElementById('hreff').href = image[image_courrante]  ;
 document.getElementById('description').innerHTML = description[image_courrante] ;
//document.getElementById('description-bis').innerHTML = description[image_courrante] ;
document.getElementById('description_large').innerHTML = description_large[image_courrante] ;
document.getElementById('croquis').style.display = 'none' ;

	
 if (image_courrante < description.length-1) {
 
 }
 
 
 else {
 //alert('ok') ;
 
 
 }
 
} 
 
 

function prec()
{
 image_courrante--
 
 if (image_courrante < 0)
 {
 image_courrante = image.length-1;
 
 }
 //alert(image_courrante) ;
 
 document.imageAff.src = image[image_courrante] ;
 
 document.getElementById('description').innerHTML = description[image_courrante] ;
//document.getElementById('description-bis').innerHTML = description[image_courrante] ;
document.getElementById('description_large').innerHTML = description_large[image_courrante] ;
document.getElementById('croquis').style.display = 'none' ;

 if (image_courrante > 0 || image_courrante < description.length-1 ) {
 //alert('if image-courr' + image_courrante) ;
 
 
 }
 else { 
 } 

 
 } 

function slide() {
		compteur = document.getElementById('1').name ;
			if(1==1) {
				//alert('ok') ;
				document.getElementById('change').style.display = 'none' ;
				document.getElementById('slide2').style.display = 'block' ;
				document.getElementById('slide').style.display = 'none' ;
				document.getElementById('slide2').innerHTML = '<div class="float_l" id="slide"><a href="#" onclick="StopStartTimer();">> Arret du slideshow</a></div><br/>' ;
			mouvement = setTimeout("suiv();showHide('intro_annee','description_large1');",1000) ;
			
			//compteur = 0 ;
			}
			if(running = true) {
			mouvement2 = setTimeout("slide()",3000) ;
			document.getElementById('slide').innerHTML = '<div class="float_l" id="slide"><a href="#" onclick="StopStartTimer();">> Arret du slideshow</a></div><br/>' ;
			}
			else {  }
	}

	function StopStartTimer() {
	   if (running) {
	      running = false;
	      clearTimeout(mouvement) ;
		  clearTimeout(mouvement2) ;
			document.getElementById('change').style.display = 'block' ;
			document.getElementById('slide2').style.display = 'none' ;
	      document.getElementById('slide').innerHTML = '<a href="#" onclick="slide();">> Activer le slideshow</a>' ;
	   }
	   else {}
	}


	function changeImg(aId) {
			//alert(aId) ;
			var Img0 = document.getElementById('1') ;
			Img0.src = 'img/'+annee+'/'+aId+'.jpg' ;
			document.getElementById('titre').innerHTML = description[aId-1] ;
			
		}