function getCookieVal (offset)
	{ 
	        var endstr = document.cookie.indexOf (";", offset); 
	        if (endstr == -1)   
	                endstr = document.cookie.length; 
	                return unescape(document.cookie.substring(offset, endstr));
	}

	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" : "");
	}
	
	function DeleteCookie (name)
	{ 
	        var exp = new Date(); 
	        exp.setTime (exp.getTime() - 1); 
	        // This cookie is history 
	        var cval = GetCookie (name); 
	        document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
	
	}

	function FixCookieDate (date)
	{
	   var base = new Date(0);
	   var skew = base.getTime();	
	   date.setTime( date.getTime() - skew);
	}