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; 
 tempcook = name + "=" + escape (value) + 
  ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
  ((path == null) ? "" : ("; path=" + path)) + 
  ((domain == null) ? "" : ("; domain=" + domain)) + 
    ((secure == true) ? "; secure" : "");
 document.cookie = tempcook;
 }

function getCookie(name) {
 var cookie = " " + document.cookie;
 var search = " " + name + "=";
 var setStr = null;
 var offset = 0;
 var end = 0;
 if (cookie.length > 0) {
  offset = cookie.indexOf(search);
  if (offset != -1) {
   offset += search.length;
   end = cookie.indexOf(";", offset)
   if (end == -1) {
    end = cookie.length;
    };
   setStr = unescape(cookie.substring(offset, end));
   };
  };
 return(setStr);
 };

function delCookie (name) {
 document.cookie = name + "=del;expires=Mon, 01-Jan-2000 00:00:00 GMT";
 };