var cook = document.cookie;

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 expdate = new Date();
   expdate.setTime(expdate.getTime() +  (24 * 60 * 60 * 1000 * 365)); 

   var expires = expdate;
   //var path = (3 < argc) ? argv[3] : null;
   var path ="/";
   var domain = (4 < argc) ? argv[4] : null;
   var secure = (5 < argc) ? 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 SetSessionCookie (name, value) {
   var argv = SetSessionCookie.arguments;
   var argc = SetSessionCookie.arguments.length;

   var expires = null;
   //var path = (3 < argc) ? argv[3] : null;
   var path ="/";
   var domain = (4 < argc) ? argv[4] : null;
   var secure = (5 < argc) ? 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 SetUnescapeCookie (name, value) {
   var argv = SetUnescapeCookie.arguments;
   var argc = SetUnescapeCookie.arguments.length;
   var expdate = new Date();
   expdate.setTime(expdate.getTime() +  (24 * 60 * 60 * 1000 * 365)); 

   var expires = expdate;
   var path ="/";
   var domain = (4 < argc) ? argv[4] : null;
   var secure = (5 < argc) ? argv[5] : false;
   document.cookie = name + "=" + value +
     ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
     ((path == null) ? "" : ("; path=" + path)) +
     ((domain == null) ? "" : ("; domain=" + domain)) +
	((secure == true) ? "; secure" : "");
}