var bg1 = "#fffaf4";
var bg2 = "#fffffa";
var bg3 = "#fff4ea";

function _setNormalBG(obj, index) {
	if (index % 2 == 1)
		obj.bgColor = bg1;
	else
		obj.bgColor = bg2;
}

function _setFocusBG(obj) {
	obj.bgColor = bg3;
}

function _isValidEmail(emailAddress) {
	var re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[(2([0-4]\d|5[0-5])|1?\d{1,2})(\.(2([0-4]\d|5[0-5])|1?\d{1,2})){3} \])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
	return re.test(emailAddress);
}