function deplieFrame(div){
	document.getElementById(div).style.display="block";
}
function replieFrame(div){
	document.getElementById(div).style.display="none";
}

function afficheForm(){
	document.getElementById("formMSG").style.display="block";
}

function checkfieldsMsg(){
	var required_fields = ['auteur','msg'];

	var formIsOK = true;
	
	for(i=0;i<required_fields.length;i++) {
		var id=getnumElement("posterMSG",required_fields[i]);
		document.posterMSG.elements[id].style.border="";
		if(document.posterMSG.elements[id].value=="") {
			formIsOK = false;
			document.posterMSG.elements[id].style.border="2px solid #ff0000";
		}
	}

	if(!formIsOK) {
		return false;
	}
}

function checkfields(){
	var email_fields = ['email'];

	var formIsOK = true;

	for(i=0;i<email_fields.length;i++) {
		var id=getnumElement("newsletter",email_fields[i]);
		document.newsletter.elements[id].style.border="";

		if(!document.newsletter.elements[id].value.match(/^[\w\.-]+@[\w\.-]+\.\w+$/i) || document.newsletter.elements[id].value.length < 5) {
			formIsOK = false;
			document.newsletter.elements[id].style.border="2px solid #ff0000";
		}

	}
	
	document.getElementById("accepte").style.border="";

	if(document.newsletter.news.checked==false){
		formIsOK = false;
		document.getElementById("accepte").style.border="2px solid #ff0000";
	}
	if(!formIsOK) {
		return false;
	}

}

function getnumElement(numform,nomelem){
	for (var i = 0; i < document.forms[numform].elements.length; i++) {
		if(document.forms[numform].elements[i].name==nomelem){
			id=i;
		}
	}
	return id;
}