// JavaScript Document

function checkEmailAddress(emailAddress)
{
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(emailAddress)){
		return true;
	}
	else{
		return false;
	}

}