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 (namn) {

	  var arg = namn + "=";

	  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;

	}