function logCheck()
{
	found = false;
	var lf = "\n";
	var CookieName='username';
	var CookieString = document.cookie;
	var CookieSet = CookieString.split (';');
	var SetSize = CookieSet.length;
	var CookiePieces;
	var ReturnValue = "";
	var x = 0;
	for (x = 0; ((x < SetSize) && (ReturnValue == "")); x++)
	{
		CookiePieces = CookieSet[x].split ('=');
		if (CookiePieces[0].substring (0,1) == ' ')
		{
			CookiePieces[0] = CookiePieces[0].substring (1, CookiePieces[0].length);
		}
		if (CookiePieces[0] == CookieName)
		{
			ReturnValue = CookiePieces[1];
		}
	}
	if(ReturnValue=="")
	found = false;
	else
	found = true;
	
	return found;
}