// JavaScript Document

function isPattern(avalue,pattern) {
	var regExp = new RegExp("^"+pattern+"$","");
	var correct = regExp.test(avalue);
	return correct;
}

function isEmail(avalue) {
	return isPattern(avalue, "[a-zA-Z0-9_\\-]+(\\\.[_a-zA-Z0-9\\-]+)*@([_a-zA-Z0-9\\-]+\\\.)+([a-zA-Z]{2,6}|aero|arpa|biz|com|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel)");
}