function validateForm(lang){
	var missing = "";
	var errorFound = false;

	if (document.mailForm.courriel.value == "" || false == validateMailFormat(document.mailForm.courriel.value)){
		errorFound = true;
	}	

	if (errorFound == true){
		if (lang == 'fr')
			alert("Attention ! Vous devez soumettre une adresse valide !");
		else
			alert("Warning! You must submit a valid email");
		return false;
	}

	return true;
}

function validateMailFormat(src) {
     var emailReg = "^[\\w-_\.]*[\\w-_\.]\@[\\w]\.+[\\w]+[\\w]$";
     var regex = new RegExp(emailReg);
     return regex.test(src);
}



function changeImg(elem, srcImg){
			document.getElementById(elem).src = '../images/' +  srcImg;
	
	}