function check_form_proposez(){
	
	var valide=0;	

	if(document.getElementById('nbpiece').value.length>0) {
		valide++;
		document.getElementById('nbpiece').style.backgroundColor="#ffffff";
	} 
	else
		document.getElementById('nbpiece').style.backgroundColor="#ffdfdf";
		
		
	if(document.getElementById('adresse_bien').value.length>2) {
		valide++;
		document.getElementById('adresse_bien').style.backgroundColor="#ffffff";
	} else
		document.getElementById('adresse_bien').style.backgroundColor="#ffdfdf";
	
	
	if(document.getElementById('code_postal_bien').value.length>=5) {
		valide++;
		document.getElementById('code_postal_bien').style.backgroundColor="#ffffff";
	} else
		document.getElementById('code_postal_bien').style.backgroundColor="#ffdfdf";
	
	
	if(document.getElementById('ville_bien').value.length>1) {
		valide++;
		document.getElementById('ville_bien').style.backgroundColor="#ffffff";
	} else
		document.getElementById('ville_bien').style.backgroundColor="#ffdfdf";
	
	
	if(document.getElementById('nom').value.length>1) {
		valide++;
		document.getElementById('nom').style.backgroundColor="#ffffff";
	} else
		document.getElementById('nom').style.backgroundColor="#ffdfdf";


	if(document.getElementById('telephone').value.length>=10) {
		valide++;
		document.getElementById('telephone').style.backgroundColor="#ffffff";
	} else
		document.getElementById('telephone').style.backgroundColor="#ffdfdf";
		
		
	if(document.getElementById('email').value.length>=6) {
		valide++;
		document.getElementById('email').style.backgroundColor="#ffffff";
	} else
		document.getElementById('email').style.backgroundColor="#ffdfdf";


	if(document.getElementById('message2').value.length>1) {
		valide++;
		document.getElementById('message2').style.backgroundColor="#ffffff";
	} else
		document.getElementById('message2').style.backgroundColor="#ffdfdf";	
		
	
	if(valide < 8){
		alert("Veuillez saisir correctement la totalit\351 des champs annot\351s d'un asterisque rouge.");
		return false;
	}
	else{
		return true;
	}
}