function vf() {
	with (document.forms['f']) {
		if (elements["ref"].value != "") {
			elements["maison"].checked = false;
			elements["appartement"].checked = false;
			elements["terrain"].checked = false;
			elements["investissement"].checked = false;
			elements["prestige"].checked = false;
			elements["local-commercial"].checked = false;
			elements["parking"].checked = false;
			elements["neuf"].checked = false;
		}
		else if (elements["annonces"][0].checked == true) {

			if (elements["maison"].checked == false && elements["parking"].checked == false && elements["neuf"].checked == false && elements["appartement"].checked == false && elements["terrain"].checked == false && elements["investissement"].checked == false && elements["prestige"].checked == false && elements["local-commercial"].checked == false) {
				elements["maison"].checked = true;
				elements["appartement"].checked = true;
				elements["terrain"].checked = true;
			}
			return true;
		}
		else if (elements["annonces"][1].checked == true) {

			if (elements["maison"].checked == false && elements["parking"].checked == false && elements["neuf"].checked == false && elements["appartement"].checked == false && elements["local-commercial"].checked == false) {
				elements["maison"].checked = true;
				elements["appartement"].checked = true;
				elements["local-commercial"].checked = true;

				elements["terrain"].checked = false;
				elements["investissement"].checked = false;
				elements["prestige"].checked = false;
			}
			return true;
		}
		else return false;
	}
}

function vf_recrutement() {
	with (document.forms['r']) {// elements["send_agce"].value != "alerted" && 
		if (elements["lm"].value != "" || elements["cv"].value != "") {
			return true;
		}
		else {
			alert("merci de joindre vos fichiers à votre candidature");
			return false;
		}
	}
}

function vf_vl() {
	with (document.forms['vl']) {
		if (elements["nombre_de_pieces"].value != "" && elements["prix"].value != "" && elements["surface_habitable"].value != "" && elements["adresse_bien"].value != "" && elements["code_postal_bien"].value != "" && elements["ville_bien"].value != "" && elements["nom"].value != "" && elements["email"].value != "" && elements["tel_domicile"].value != "") {
			if (elements["type_bien"].value == "terrain" && elements["surface_terrain"].value == "") {
				alert("merci de remplir l'ensemble des champs obligatoires");
				return false;
			}
			else {
				return true;
			}
		}
		else {
			alert("merci de remplir l'ensemble des champs obligatoires");
			return false;
		}
	}
}

function vf_contact() {
	with (document.forms['fc']) {//elements["send_agce"].value != "alerted" && 
		if (elements["nom"].value != "" && elements["email"].value != "" && elements["objet"].value != "" && elements["message"].value != "" && elements["tel_domicile"].value != "") {
			return true;
		}
		else {
			alert("merci de remplir l'ensemble des champs obligatoires");
			return false;
		}
	}
}

function clean_checked(c) {
	if (c == 'maison' || c == 'appartement' || c == 'terrain') {
		with (document.forms['f']) {
			elements["investissement"].checked = false;
			elements["prestige"].checked = false;
			elements["local-commercial_acheter"].checked = false;
			elements["local-commercial_louer"].checked = false;
		}
	}
	else if (c == 'investissement') {
		with (document.forms['f']) {
			elements["maison"].checked = false;
			elements["appartement"].checked = false;
			elements["terrain"].checked = false;
			elements["prestige"].checked = false;
			elements["local-commercial_acheter"].checked = false;
			elements["local-commercial_louer"].checked = false;
		}
	}
	else if (c == 'prestige') {
		with (document.forms['f']) {
			elements["maison"].checked = false;
			elements["appartement"].checked = false;
			elements["terrain"].checked = false;
			elements["investissement"].checked = false;
			elements["local-commercial_acheter"].checked = false;
			elements["local-commercial_louer"].checked = false;
		}
	}
	else if (c == 'local-commercial') {
		with (document.forms['f']) {
			elements["maison"].checked = false;
			elements["appartement"].checked = false;
			elements["terrain"].checked = false;
			elements["prestige"].checked = false;
			elements["investissement"].checked = false;
		}
	}
}

function show_layer(object) {
	
	document.getElementById(object).style.visibility = 'visible';
	document.getElementById(object).style.display = 'block';   
    
}

function hide_layer(object) {	
	
	document.getElementById(object).style.visibility = 'hidden';
	document.getElementById(object).style.display = 'none';    
    
}

function vf_alerte_bien() {
	with (document.forms['vl']) {
		if (elements["nom"].value != "" && elements["email"].value != "" && elements["tel_domicile"].value != "" && elements["prix"].value != "" && 
			(elements["bien[0]"].checked || elements["bien[1]"].checked || elements["bien[2]"].checked)			
			) {
			/*
			if (elements["email"].value.match(/^[\w\.]+@[\w\.]+$/) == null) {
				alert("Merci de fournir une adresse email valide.");
				return false;
			}*/
			
			if (elements["bien[2]"].checked) {
				if (elements["surface_terrain"].value == "") {
					alert("Merci de remplir l'ensemble des champs obligatoires.");
					return false;
				}
			}
			
			else {
				return true;
			}
		}
		else {
			alert("Merci de remplir l'ensemble des champs obligatoires.");
			return false;
		}
	}
}

function switchpict(img) {
	document.getElementById('imgb').src = img;
}