/**
 * @author guy marcenac
 */

function cacheObj(id) {
	o=YAHOO.util.Dom.get(id);
	o.style.display='none';
}

function appear(id, duration) {
		var appear = new YAHOO.util.Motion(id, { opacity: { from:0, to: 1.0 } }, duration, YAHOO.util.Easing.easeNone); 
		appear.animate();
		}

function initGalerie () {
		var carousel1 = new carousel( "cadre-centre", "photos-centre", 2 );
		YAHOO.util.Event.on('droite', 'click', function() { carousel1.bouge(-1); });
		YAHOO.util.Event.on('gauche', 'click', function() { carousel1.bouge(1); });
	
		var carousel2 = new carousel( "cadre-bas", "photos-bas", 2 );
		YAHOO.util.Event.on('droite-bas', 'click', function() { carousel2.bouge(-1); });
		YAHOO.util.Event.on('gauche-bas', 'click', function() { carousel2.bouge(1); });
				
	/*	bt = YAHOO.util.Dom.get('gauche');
		bt.style.display='block';
		bt = YAHOO.util.Dom.get('droite');
		bt.style.display='block';
		bt = YAHOO.util.Dom.get('gauche-bas');
		bt.style.display='block';
		bt = YAHOO.util.Dom.get('droite-bas');
		bt.style.display='block'; */
}


function formCheck(formobj){

	var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i;

	if ( formobj.elements["email_expediteur"].value == "" ) {
		document.getElementById('err_saisie').innerHTML ="Veuillez saisir une adresse e-mail";
		return false;
		}
		
	var returnval=emailfilter.test(formobj.elements["email_expediteur"].value);
	if (returnval==false){
		document.getElementById('err_saisie').innerHTML ="Veuillez saisir une adresse e-mail valide";
		return false;
		}
		
	if ( formobj.elements["message"].value == "" ) {
		document.getElementById('err_saisie').innerHTML ="Veuillez saisir un message";
		return false;
		}
		
	return true;
}