// Nijvink Internet Oplossingen
// 14-02-2008
function check_email(email_address) {
//	var remail= new RegExp("^[A-Za-z0-9_-]+([.][A-Za-z0-9_-]+){0,4}[@][A-Za-z0-9_-]{2}+([.][A-Za-z0-9_-]+){1,6}$");
//	var remail= new RegExp("^[A-Za-z0-9_-]+([.][A-Za-z0-9_-]+)*[@][A-Za-z0-9_-]{2,}[.]([A-Za-z]){2,6}$");
//	var remail= new RegExp("^[A-Za-z0-9_-]+([.][A-Za-z0-9_-]+)*[@][A-Za-z0-9][A-Za-z0-9]+([.-][A-Za-z0-9-]+)*[.]([A-Za-z]){2,6}$");
//	var remail= new RegExp("^[A-Za-z0-9_-]+([.][A-Za-z0-9_-]+){0,4}[@][A-Za-z0-9_-]+([.][A-Za-z0-9_-]+){1,3}$");
	var remail= new RegExp("^[A-Za-z0-9_-]+([.][A-Za-z0-9_-]+)*[@][A-Za-z0-9-][A-Za-z0-9-]+([.-][A-Za-z0-9-]+)*[.]([A-Za-z]){2,6}$");

	if (email_address != "") {
		return email_address.match(remail);
	}
	else { 
		return false;
	}
}