function setCookie(c_name,value,expiredays)
{
    var exdate=new Date();
    exdate.setDate(exdate.getDate()+expiredays);
    document.cookie= c_name+ "=" +escape(value);
}

function getCookie(name)
{
  if (document.cookie)
  {
    var cookies=document.cookie.split(";");
    for (var i=0; i<cookies.length; i++)
    {
      var varName=(cookies[i].split("=")[0]);
      var varValue=(cookies[i].split("=")[1]);

      // the next 2 lines trim whitespaces (Netscape 7 problem)
      while (varName.charAt(0)==" ")
        varName=varName.substr(1,varName.length);
      if (varName==name)
	return escape(varValue);
    }
  }
}