function toggleLogin()
{
	var injpg = "navbar-login.jpg";
	var outjpg = "navbar-logout.jpg";
	var navbarImg = document.getElementById('navBar');
	if (navbarImg)
	{
		if (isUserLoggedIn())
		{
			navbarImg.src = navbarImg.src.replace(injpg,outjpg);
			navbarImg.useMap = "#MenuOut";
		}
	}
}
function isUserLoggedIn()
{
	return (getCookie("manSession")!='');
}

function getCookie(name)
{
	var dc = document.cookie;
	var prefix = name + "=";
	var begin = dc.indexOf("; " + prefix);
	if (begin == -1)
	{
		begin = dc.indexOf(prefix);
		if (begin != 0) return '';
	}
	else
	{
		begin += 2;
	}
	var end = document.cookie.indexOf(";", begin);
	if (end == -1)
	{
		end = dc.length;
	}
	return unescape(dc.substring(begin + prefix.length, end));	
}
function setCookie(name, value, expires, path, domain, secure)
{
  		document.cookie = name + "=" + escape(value) +
      	((expires) ? "; expires=" + expires.toGMTString() : "") +
      	((path) ? "; path=" + path : "") +
      	((domain) ? "; domain=" + domain : "") +
      	((secure) ? "; secure" : "");
}