num = 0;
	num_1 = 0;
	num_2 = 1;
	num_3 = 2;
	num_4 = 3;
	num_5 = 4;
	num_courant = 1;
	
	function plus() {
		if(num < <?php echo $nb_photos; ?>-4){
			num_1 = num+1;
			num_2 = num+2;
			num_3 = num+3;
			num_4 = num+4;
			num_5 = num+5;
		
		
		/*if (num== <?php echo $nb_photos; ?>-4) { num_5 = 1; }
		if (num== <?php echo $nb_photos; ?>-3) { num_5 = 2; num_4 = 1; }
		if (num== <?php echo $nb_photos; ?>-2) { num_5 = 3; num_4 = 2; num_3 = 1; }
		if (num== <?php echo $nb_photos; ?>-1) { num_5 = 4; num_4 = 3; num_3 = 2; num_2 = 1; }
		if (num== <?php echo $nb_photos; ?>) { num_5 = 5; num_4 = 4; num_3 = 3; num_2 = 2; num_1 = 1; num = 0; }*/
		
			rollover('mini_1','<?php echo $dossier; ?>'+num_1+".jpg",'<?php echo $dossier; ?>'+num_2+".jpg");
			rollover('mini_2','<?php echo $dossier; ?>'+num_2+".jpg",'<?php echo $dossier; ?>'+num_3+".jpg");
			rollover('mini_3','<?php echo $dossier; ?>'+num_3+".jpg",'<?php echo $dossier; ?>'+num_4+".jpg");
			rollover('mini_4','<?php echo $dossier; ?>'+num_4+".jpg",'<?php echo $dossier; ?>'+num_5+".jpg");
			num = num+1;
			
			if(document.getElementById("diaporama-fleche-gauche").style.display="none") { document.getElementById("diaporama-fleche-gauche").style.display="block"; }
			
		}else{
			document.getElementById("diaporama-fleche-droite").style.display="none";
			//document.getElementById("diaporama-fleche-droite").src = "../../commun/images/diaporama/fleche_gauche_1.gif";
		}
	}
	
	function moins() {
		if(num>0){
			num_1 = num-1;
			num_2 = num;
			num_3 = num+1;
			num_4 = num+2;
			num_5 = num+3;
			
			/*if (num== <?php echo $nb_photos; ?>-4) { num_5 = <?php echo $nb_photos; ?>; }
			if (num== <?php echo $nb_photos; ?>-3) { num_5 = <?php echo $nb_photos; ?>; num_4 = <?php echo $nb_photos; ?>-1; }
			if (num== <?php echo $nb_photos; ?>-2) { num_5 = <?php echo $nb_photos; ?>; num_4 = <?php echo $nb_photos; ?>-2; num_3 = <?php echo $nb_photos; ?>-1; }
			if (num== <?php echo $nb_photos; ?>-1) { num_5 = <?php echo $nb_photos; ?>; num_4 = <?php echo $nb_photos; ?>-3; num_3 = <?php echo $nb_photos; ?>-2; num_2 = <?php echo $nb_photos; ?>-1; }
			if (num== <?php echo $nb_photos; ?>) { num_5 = <?php echo $nb_photos; ?>; num_4 = <?php echo $nb_photos; ?>-4; num_3 = <?php echo $nb_photos; ?>-3; num_2 = <?php echo $nb_photos; ?>-2; num_1 = <?php echo $nb_photos; ?>-1; num = <?php echo $nb_photos; ?>; }*/
				
			/*if (num==0 ) { num_2 = <?php echo $nb_photos; ?>; }
			if (num== -1) { num_2 = <?php echo $nb_photos; ?>-1; num_3 = <?php echo $nb_photos; ?>; }
			if (num== -2) { num_2 = <?php echo $nb_photos; ?>-2; num_3 = <?php echo $nb_photos; ?>-1; num_4 = <?php echo $nb_photos; ?>; }
			if (num== -3) { num_2 = <?php echo $nb_photos; ?>-3; num_3 = <?php echo $nb_photos; ?>-2; num_4 = <?php echo $nb_photos; ?>-1; num_5 = <?php echo $nb_photos; ?>; }
			if (num== -4) { num_2 = <?php echo $nb_photos; ?>-4; num_3 = <?php echo $nb_photos; ?>-3; num_4 = <?php echo $nb_photos; ?>-2; num_5 = <?php echo $nb_photos; ?>-1; num = 0;}*/
				
			rollover('mini_1','<?php echo $dossier; ?>'+num_1+".jpg",'<?php echo $dossier; ?>'+num_2+".jpg");
			rollover('mini_2','<?php echo $dossier; ?>'+num_2+".jpg",'<?php echo $dossier; ?>'+num_3+".jpg");
			rollover('mini_3','<?php echo $dossier; ?>'+num_3+".jpg",'<?php echo $dossier; ?>'+num_4+".jpg");
			rollover('mini_4','<?php echo $dossier; ?>'+num_4+".jpg",'<?php echo $dossier; ?>'+num_5+".jpg");
			num = num-1;
			
			//alert(document.getElementById("diaporama-fleche-droite").style.visibility);
			if(document.getElementById("diaporama-fleche-droite").style.display="none") { document.getElementById("diaporama-fleche-droite").style.display="block"; }
		}else{
			document.getElementById("diaporama-fleche-gauche").style.display="none";
		}
	}
	
	function set_num_courant(num){
		num_courant = num;
	}

	function rollover(nom,img1,img2){
		var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? 'document'+'.'+nom : 'document.all.'+nom);
		if (nom == '')
			return;
		if (img) {
			img.altsrc = img1;
			img.src    = img2;
		} 
	}