function nextImg(imgArray, imgZoomArray, titreImgArray, legendeImgArray, imgID, titreImgID, legendeImgID, cpt, zoom) {
		if (cpt < imgArray.length-1) {	cpt = ++cpt;	}
		else { cpt = 0;}
		if (zoom == "1") {	document.images[imgID].src = imgZoomArray[cpt];}
		else {document.images[imgID].src = imgArray[cpt];	}
		document.getElementById(titreImgID).innerHTML = titreImgArray[cpt];
		document.getElementById(legendeImgID).innerHTML = legendeImgArray[cpt];
		return cpt;
	}
	function previousImg(imgArray, imgZoomArray, titreImgArray, legendeImgArray, imgID, titreImgID, legendeImgID, cpt , zoom) {
		if (cpt > 0) {cpt = --cpt;	}
		else {cpt=  imgArray.length-1;}
		if (zoom == "1") {	document.images[imgID].src = imgZoomArray[cpt];}
		else {document.images[imgID].src = imgArray[cpt];	}
		document.getElementById(titreImgID).innerHTML = titreImgArray[cpt];
		document.getElementById(legendeImgID).innerHTML = legendeImgArray[cpt];
		return cpt;
	}
	function zoomImg(ID, cpt) {
	javascript:window.open('zoomDiapo.php?ID='+ID+'&cpt='+cpt,'ZoomDiapo','toolbar=0,menubar=0,scrollbars,location=0,directories=0,status=0,resizable=1,copyhistory=0,bgcolor=#ffffff,  width=780, height=540, top=0, left=0');
}