function initApercu() {
    var apercus = getElementsByClass('apercus');

	if(apercus.length > 0) {
	    for (var j=0; j < apercus.length; j++) {
	        addEvent(apercus[j], 'click', switchApercu);
	    }
	}
}
function switchApercu(e) {
    var evt = getStandardEvent(e);
    var dest = $('apercu');
	//modele_maison_bois/modele_maison_bois/01.jpg
	url = evt.target.src.replace("/modele_maison_bois", "");
    dest.innerHTML = '<img src="'+url+'"  />';

    evt.preventDefault();
    return false;
}
function switchAll() {
	var dest = $('apercu');
	if(dest) {
		dest.innerHTML = '';
	}
    return false;
}
addEvent(window, 'load', initApercu);