// JavaScript Document
function IsEmail(valeur) 
{
	//return (adresse.search("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[_a-z0-9-]+([\.][a-z0-9-]+)+$") != -1);
	return (valeur.search("^[a-z0-9._-]+@[a-z0-9.-]{2,}[.][a-z]{2,3}$") != -1);
}