// Gookie(name)			¨ú±ocookie
// Sookie(name, value)	Àx¦scookie
// Dookie(name)			§R°£cookie

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

function Gookie(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 GookieVal (j);
      i = document.cookie.indexOf(" ", i) + 1;
      if (i == 0) break;
   }
   return null;
}

function Sookie(name, value) {
   var argv = Sookie.arguments;
   var argc = Sookie.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 Dookie(name) {
   var exp = new Date();
   exp.setTime (exp.getTime() - 1);
   var cval = Gookie (name);
   document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString() + "; path=/";
}

	function transform_string(cString, cSou, cRep) {
		var aAry = cString.split('');
		var cReturn='';
		for (i=0; i<aAry.length; i++) {
			if (aAry[i]==cSou) {aAry[i]=cRep;}
			cReturn += aAry[i];
		}
		return cReturn;
	}