function zoom_photo(id_annonce, id){
	var url = '/js/detail_photo.php';
	var pars = 'id='+id+'&id_annonce='+id_annonce;
	var myAjax = new Ajax.Updater( 
		'photo_zoom', 
		url, 
		{ 
			method: 'post', 
			parameters: pars 
		}
	);
}

function enleve_texte(ou){
	if (ou.value == 'Cliquez ici pour saisir votre question') {ou.value='';};
}

function nb_carac(ou){
	taille = ou.value.length;
	car = document.getElementById('caractere');
	if(taille < 1000){
		car.innerHTML = (1000-taille)+' caract&egrave;res restants.';
	}else{
		//car.innerHTML = car.innerHTML.substring(0,1000);
		alert(car.innerHTML.substring(0,4));
		car.innerHTML = '0 caract&egrave;re restant.';
	}
}