<!--
function isEMail(x) {
	var l = x.length;
	if (l < 5) {return false};
	var c1 = x.indexOf("@");
	var c2 = x.indexOf(".");
	if (c2 == c1 + 1) {return false}; 
	if (c1 < 1 || c1 > (l - 4)) {return false};
	if (c2 < 1 || c2 > (l - 2)) {return false};
	if (x.indexOf("@",c1+1) != -1) {return false};
	return true;
}
//-->