function isLoginValid(username,password)
{
	if (username && username.length > 0 && password && password.length > 0)
		return true;
	else
		return false;
}

function setLoginCookie(username,password)
{
	var expires,path,domain,secure;
	domain = "power-trak.com";
	SetCookie("PowerTrak_L", username+","+password,expires,path,domain,secure);
}

function directToLogin()
{
	window.location.href="http://go.power-trak.com";
}

function GetCookie (name)  {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen)  {
	var j = i + alen;
	if (document.cookie.substring(i, j) == arg)
	return getCookieVal (j);i = document.cookie.indexOf(" ", i) + 1;
	if (i == 0) break; 
	}
	return null;
}

function SetCookie (name, value)  {
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	var expires = (argc > 2) ? argv[2] : null;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	document.cookie = name + "=" + escape (value) +
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
	((path == null) ? "" : ("; path=" + path)) +
	((domain == null) ? "" : ("; domain=" + domain)) +
	((secure == true) ? "; secure" : "");
}