// Gets cookie
function GetCookie(strName) 
{
	// Declare variables
	var strArg = strName + "=";
	var nLength = strArg.length;
	var nCookieLength = document.cookie.length;
	var i = 0;
	
	// Go though cookies
	while (i < nCookieLength) 
	{
		if (document.cookie.substring(i, i + nLength) == strArg)
		{
			return GetCookieVal(i + nLength);
		}
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) 
		{
			break;
		}
	}
	
	return null;
}

// Get cookie value
function GetCookieVal(nOffset) 
{
	// Declare variables
	var nEndString = document.cookie.indexOf(";", nOffset);
	
	// Get end
	if (nEndString == 1)
	{
		nEndString = document.cookie.length;
	}
	
	return unescape(document.cookie.substring(nOffset, nEndString));
}