trunk/public_html/meteor.js

// Set domain at highest level
var domainparts = document.domain.split(".");
document.domain = domainparts[domainparts.length-2]+"."+domainparts[domainparts.length-1];

Function.prototype.bind = function(obj) {
        var method = this,
        temp = function() {
                return method.apply(obj, arguments);
        };
        return temp;
}
Function.prototype.andThen=function(g) {
        var f=this;
        var a=this.arguments
        return function(args) {
                f(a);g(args);
        }
};
function addUnLoadEvent(func) {
  var oldonunload = window.onunload;
  if (typeof window.onunload != 'function') {
    window.onunload = func;
  } else {
    window.onunload = function() {
      if (oldonunload) {
        oldonunload();
      }
      func();
    }
  }
}
//addUnLoadEvent(meteordestroy);
function meteordestroy() {
        var x = Meteor.instances.length;
        for(var i=0; i<x; i++) {
                Meteor.instances[i].stop();
                delete Meteor.instances[i];
        }
}

function Meteor(instID) {

        this.lastmsgreceived = -1;
        this.transferDoc = false;
        this.pingtimer = false;
        this.updatepollfreqtimer = false;
        this.lastrequest = 0;
        this.recvtimes = new Array();
        this.MHostId = false;
        this.callback_process = function() {};
        this.callback_reset = function() {};
        this.callback_eof = function() {};
        this.callback_changemode = function() {};
        this.callback_statuschanged = function() {};
        this.persist = true;
        this.frameloadtimer = false;
        this.frameurl = false;

        // Documented public properties
        this.channel = false;
        this.subdomain = "data";
        this.dynamicpageaddress = "push";
        this.backtrack = 0;
        this.smartpoll = true;
        this.pollfreq = 2000;
        this.minpollfreq = 2000;
        this.mode = "stream";
        this.polltimeout=30000;
        this.maxmessages=0;
        this.pingtimeout = 10000;
        this.status = 0;

        /* Statuses:    0 = Uninitialised,
                                        1 = Loading stream,
                                        2 = Loading controller frame,
                                        3 = Controller frame timeout, retrying every 5 seconds
                                        4 = Controller frame loaded and ready
                                        5 = Receiving data
        */

        this.instID = (typeof(instID) != "undefined") ? instID : 0;
        this.MHostId = Math.floor(Math.random()*100000000)+this.instID;
}

Meteor.instances = new Array();
Meteor.servertimeoffset = 0;

Meteor.create = function(instID) {
        if (!instID) instID = Meteor.instances.length;
        Meteor.instances[instID] = new Meteor(instID);
        return Meteor.instances[instID];
}

Meteor.register = function(ifr) {
        instid = new String(ifr.window.frameElement.id);
        instid = instid.replace("meteorframe_", "");
        ifr.p = this.instances[instid].process.bind(this.instances[instid]);
        ifr.r = this.instances[instid].reset.bind(this.instances[instid]);
        ifr.eof = this.instances[instid].eof.bind(this.instances[instid]);
        ifr.get = this.instances[instid].get.bind(this.instances[instid]);
        ifr.increasepolldelay = this.instances[instid].increasepolldelay.bind(this.instances[instid]);
        clearTimeout(this.instances[instid].frameloadtimer);
        this.instances[instid].setstatus(4);
}

Meteor.setServerTime = function(timestamp) {
        var now = new Date();
        var clienttime = (now.getTime() / 1000);
        Meteor.servertimeoffset = timestamp - clienttime;
}

Meteor.prototype.start = function() {
        this.persist = (this.maxmessages)?1:0;
        this.smartpoll = (this.smartpoll)?1:0;
        this.mode = (this.mode=="stream")?"stream":"poll";
        if (!this.subdomain || !this.channel) throw "Channel or Meteor subdomain host not specified";
        var now = new Date();
        var t = now.getTime();
        if (typeof(this.transferDoc)=="object") {
                this.transferDoc.open();
                this.transferDoc.close();
                delete this.transferDoc;
        }
        if (document.getElementById("meteorframe_"+this.instID)) {
                document.body.removeChild(document.getElementById("meteorframe_"+this.instID));
        }
        if (this.mode=="stream") {
                if (document.all) {
                        this.setstatus(1);
                        this.transferDoc = new ActiveXObject("htmlfile");
                        this.transferDoc.open();
                        this.transferDoc.write("<html>");
                        this.transferDoc.write("<script>document.domain=\""+(document.domain)+"\";</"+"script>");
                        this.transferDoc.write("</html>");
                        var selfref = this;
                        this.transferDoc.parentWindow.Meteor = Meteor;
                        this.transferDoc.close();
                        var ifrDiv = this.transferDoc.createElement("div");
                        this.transferDoc.appendChild(ifrDiv);
                        var url = "http://"+this.subdomain+"."+location.hostname+"/"+this.dynamicpageaddress+"?channel="+this.channel+"&id="+this.MHostId;
                        if (this.lastmsgreceived >= 0) {
                                url += "&restartfrom="+this.lastmsgreceived;
                        } else if (this.backtrack > 0) {
                                url += "&backtrack="+this.backtrack;
                        } else if (this.backtrack < 0 || isNaN(this.backtrack)) {
                                url += "&restartfrom=";
                        }
                        ifrDiv.innerHTML = "<iframe id=\"meteorframe_"+this.instID+"\" src=\""+url+"&nocache="+t+"\" style=\"display: none;\"></iframe>";
                } else {
                        var ifr = document.createElement("IFRAME");
                        ifr.style.width = "10px";
                        ifr.style.height = "10px";
                        ifr.style.border = "none";
                        ifr.style.position = "absolute";
                        ifr.style.top = "-10px";
                        ifr.style.marginTop = "-10px";
                        ifr.style.zIndex = "-20";
                        ifr.id = "meteorframe_"+this.instID;
                        document.body.appendChild(ifr);
                        this.frameurl = "http://"+this.subdomain+"."+location.hostname+"/stream.html";
                        this.frameload();
                }
                var f = this.pollmode.bind(this);
                clearTimeout(this.pingtimer);
                this.pingtimer = setTimeout(f, this.pingtimeout);

        } else {
                var ifr = document.createElement("IFRAME");
                ifr.style.width = "10px";
                ifr.style.height = "10px";
                ifr.style.border = "none";
                if (document.all) {
                        ifr.style.display = "none";
                } else {
                        ifr.style.position = "absolute";
                        ifr.style.marginTop = "-10px";
                        ifr.style.zIndex = "-20";
                }
                ifr.id = "meteorframe_"+this.instID;
                document.body.appendChild(ifr);
                this.frameurl = "http://"+this.subdomain+"."+location.hostname+"/poll.html";
                this.frameload();
                this.recvtimes[0] = t;
                if (this.updatepollfreqtimer) clearTimeout(this.updatepollfreqtimer);
                this.updatepollfreqtimer = setInterval(this.updatepollfreq.bind(this), 2500);
        }
        this.lastrequest = t;
}

Meteor.prototype.stop = function() {
        if (typeof(this.transferDoc)=="object") {
                this.transferDoc.open();
                this.transferDoc.close();
                delete this.transferDoc;
        }
        if (document.getElementById("meteorframe_"+this.instID)) {
                document.getElementById("meteorframe_"+this.instID).src="about:blank";
                document.body.removeChild(document.getElementById("meteorframe_"+this.instID));
        }
        if (!isNaN(this.pingtimer)) clearTimeout(this.pingtimer);
        if (!isNaN(this.updatepollfreqtimer)) clearTimeout(this.updatepollfreqtimer);
        if (!isNaN(this.frameloadtimer)) clearTimeout(this.frameloadtimer);
        this.setstatus(0);
}

Meteor.prototype.pollmode = function() {
        this.mode="poll";
        this.start();
        this.callback_changemode("poll");
        this.lastpingtime = false;
}

Meteor.prototype.process = function(id, data) {
        if (id > this.lastmsgreceived) {
                this.callback_process(data);
                if (id != -1) this.lastmsgreceived = id;
                if (this.mode=="poll") {
                        var now = new Date();
                        var t = now.getTime();
                        this.recvtimes[this.recvtimes.length] = t;
                        while (this.recvtimes.length > 5) this.recvtimes.shift();
                }
        } else if (id == -1) {
                this.ping();
        }
        this.setstatus(5);
}

Meteor.prototype.ping = function() {
        if (this.mode=="stream" && this.pingtimer) {
                clearTimeout(this.pingtimer);
                var f = this.pollmode.bind(this);
                this.pingtimer = setTimeout(f, this.pingtimeout);
                var now = new Date();
                this.lastpingtime = now.getTime();
        }
        this.setstatus(5);
}

Meteor.prototype.reset = function() {
        var now = new Date();
        var t = now.getTime();
        var x = this.pollfreq - (t-this.lastrequest);
        if (x < 10) x = 10;
        this.ping();
        this.callback_reset();
        setTimeout(this.start.bind(this), x);
}

Meteor.prototype.eof = function() {
        this.callback_eof();
}

Meteor.prototype.get = function(varname) {
        eval("var a = this."+varname+";");
        if (typeof(a) == "undefined") throw "Cannot get value of "+varname;
        return a;
}

Meteor.prototype.increasepolldelay = function() {
        this.pollfreq *= 2;
}

Meteor.prototype.updatepollfreq = function() {
        if (this.smartpoll) {
                var now = new Date();
                var t = now.getTime();
                var avg = 0;
                for (var i=1; i<this.recvtimes.length; i++) {
                        var x = (this.recvtimes[i]-this.recvtimes[i-1]);
                        avg += (x>60000)? 60000 : x;
                }
                x = (t-this.recvtimes[this.recvtimes.length-1]);
                avg += (x>180000)? 180000 : x;
                avg /= this.recvtimes.length;
                if ((avg/3) < this.pollfreq && (avg/3) >= this.minpollfreq) this.pollfreq = Math.ceil(this.pollfreq*0.9);
                if ((avg/3) > this.pollfreq) this.pollfreq = Math.floor(this.pollfreq*1.05);
        }
}

Meteor.prototype.registerEventCallback = function(evt, funcRef) {
        if (evt=="process") {
                this.callback_process = (this.callback_process).andThen(funcRef);
        } else if (evt=="reset") {
                this.callback_reset = (this.callback_reset).andThen(funcRef);
        } else if (evt=="eof") {
                this.callback_eof = (this.callback_eof).andThen(funcRef);
        } else if (evt=="changemode") {
                this.callback_changemode = (this.callback_changemode).andThen(funcRef);
        } else if (evt=="changestatus") {
                this.callback_statuschanged = (this.callback_statuschanged).andThen(funcRef);
        }
}

Meteor.prototype.frameload = function() {
        this.setstatus(2);
        if (document.getElementById("meteorframe_"+this.instID)) {
                var f = this.frameloadtimeout.bind(this);
                this.frameloadtimer = setTimeout(f, 5000);
                document.getElementById("meteorframe_"+this.instID).src = "about:blank";
                setTimeout(this.doloadurl.bind(this), 100);
        }
}
Meteor.prototype.doloadurl = function() {
        var now = new Date();
        var t = now.getTime();
        document.getElementById("meteorframe_"+this.instID).src = this.frameurl+"?nocache="+t;
}
Meteor.prototype.frameloadtimeout = function() {
        if (this.frameloadtimer) clearTimeout(this.frameloadtimer);
        this.setstatus(3);
        this.frameload();
}
Meteor.prototype.setstatus = function(newstatus) {
        if (this.status != newstatus) {
                this.status = newstatus;
                this.callback_statuschanged(newstatus);
        }
}

Meteor.createCookie = function(name,value,days) {
        if (days) {
                var date = new Date();
                date.setTime(date.getTime()+(days*24*60*60*1000));
                var expires = "; expires="+date.toGMTString();
        }
        else var expires = "";
        document.cookie = name+"="+value+expires+"; path=/";
}

Meteor.readCookie = function(name) {
        var nameEQ = name + "=";
        var ca = document.cookie.split(';');
        for(var i=0;i < ca.length;i++) {
                var c = ca[i];
                while (c.charAt(0)==' ') c = c.substring(1,c.length);
                if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
        }
        return null;
}

Meteor.eraseCookie = function(name) {
        createCookie(name,"",-1);
}
1	// Set domain at highest level
2	var domainparts = document.domain.split(".");
3	document.domain = domainparts[domainparts.length-2]+"."+domainparts[domainparts.length-1];
4
5	Function.prototype.bind = function(obj) {
6	var method = this,
7	temp = function() {
8	return method.apply(obj, arguments);
9	};
10	return temp;
11	}
12	Function.prototype.andThen=function(g) {
13	var f=this;
14	var a=this.arguments
15	return function(args) {
16	f(a);g(args);
17	}
18	};
19	function addUnLoadEvent(func) {
20	var oldonunload = window.onunload;
21	if (typeof window.onunload != 'function') {
22	window.onunload = func;
23	} else {
24	window.onunload = function() {
25	if (oldonunload) {
26	oldonunload();
27	}
28	func();
29	}
30	}
31	}
32	//addUnLoadEvent(meteordestroy);
33	function meteordestroy() {
34	var x = Meteor.instances.length;
35	for(var i=0; i<x; i++) {
36	Meteor.instances[i].stop();
37	delete Meteor.instances[i];
38	}
39	}
40
41	function Meteor(instID) {
42
43	this.lastmsgreceived = -1;
44	this.transferDoc = false;
45	this.pingtimer = false;
46	this.updatepollfreqtimer = false;
47	this.lastrequest = 0;
48	this.recvtimes = new Array();
49	this.MHostId = false;
50	this.callback_process = function() {};
51	this.callback_reset = function() {};
52	this.callback_eof = function() {};
53	this.callback_changemode = function() {};
54	this.callback_statuschanged = function() {};
55	this.persist = true;
56	this.frameloadtimer = false;
57	this.frameurl = false;
58
59	// Documented public properties
60	this.channel = false;
61	this.subdomain = "data";
62	this.dynamicpageaddress = "push";
63	this.backtrack = 0;
64	this.smartpoll = true;
65	this.pollfreq = 2000;
66	this.minpollfreq = 2000;
67	this.mode = "stream";
68	this.polltimeout=30000;
69	this.maxmessages=0;
70	this.pingtimeout = 10000;
71	this.status = 0;
72
73	/* Statuses: 0 = Uninitialised,
74	1 = Loading stream,
75	2 = Loading controller frame,
76	3 = Controller frame timeout, retrying every 5 seconds
77	4 = Controller frame loaded and ready
78	5 = Receiving data
79	*/
80
81	this.instID = (typeof(instID) != "undefined") ? instID : 0;
82	this.MHostId = Math.floor(Math.random()*100000000)+this.instID;
83	}
84
85	Meteor.instances = new Array();
86	Meteor.servertimeoffset = 0;
87
88	Meteor.create = function(instID) {
89	if (!instID) instID = Meteor.instances.length;
90	Meteor.instances[instID] = new Meteor(instID);
91	return Meteor.instances[instID];
92	}
93
94	Meteor.register = function(ifr) {
95	instid = new String(ifr.window.frameElement.id);
96	instid = instid.replace("meteorframe_", "");
97	ifr.p = this.instances[instid].process.bind(this.instances[instid]);
98	ifr.r = this.instances[instid].reset.bind(this.instances[instid]);
99	ifr.eof = this.instances[instid].eof.bind(this.instances[instid]);
100	ifr.get = this.instances[instid].get.bind(this.instances[instid]);
101	ifr.increasepolldelay = this.instances[instid].increasepolldelay.bind(this.instances[instid]);
102	clearTimeout(this.instances[instid].frameloadtimer);
103	this.instances[instid].setstatus(4);
104	}
105
106	Meteor.setServerTime = function(timestamp) {
107	var now = new Date();
108	var clienttime = (now.getTime() / 1000);
109	Meteor.servertimeoffset = timestamp - clienttime;
110	}
111
112	Meteor.prototype.start = function() {
113	this.persist = (this.maxmessages)?1:0;
114	this.smartpoll = (this.smartpoll)?1:0;
115	this.mode = (this.mode=="stream")?"stream":"poll";
116	if (!this.subdomain \|\| !this.channel) throw "Channel or Meteor subdomain host not specified";
117	var now = new Date();
118	var t = now.getTime();
119	if (typeof(this.transferDoc)=="object") {
120	this.transferDoc.open();
121	this.transferDoc.close();
122	delete this.transferDoc;
123	}
124	if (document.getElementById("meteorframe_"+this.instID)) {
125	document.body.removeChild(document.getElementById("meteorframe_"+this.instID));
126	}
127	if (this.mode=="stream") {
128	if (document.all) {
129	this.setstatus(1);
130	this.transferDoc = new ActiveXObject("htmlfile");
131	this.transferDoc.open();
132	this.transferDoc.write("<html>");
133	this.transferDoc.write("<script>document.domain=\""+(document.domain)+"\";</"+"script>");
134	this.transferDoc.write("</html>");
135	var selfref = this;
136	this.transferDoc.parentWindow.Meteor = Meteor;
137	this.transferDoc.close();
138	var ifrDiv = this.transferDoc.createElement("div");
139	this.transferDoc.appendChild(ifrDiv);
140	var url = "http://"+this.subdomain+"."+location.hostname+"/"+this.dynamicpageaddress+"?channel="+this.channel+"&id="+this.MHostId;
141	if (this.lastmsgreceived >= 0) {
142	url += "&restartfrom="+this.lastmsgreceived;
143	} else if (this.backtrack > 0) {
144	url += "&backtrack="+this.backtrack;
145	} else if (this.backtrack < 0 \|\| isNaN(this.backtrack)) {
146	url += "&restartfrom=";
147	}
148	ifrDiv.innerHTML = "<iframe id=\"meteorframe_"+this.instID+"\" src=\""+url+"&nocache="+t+"\" style=\"display: none;\"></iframe>";
149	} else {
150	var ifr = document.createElement("IFRAME");
151	ifr.style.width = "10px";
152	ifr.style.height = "10px";
153	ifr.style.border = "none";
154	ifr.style.position = "absolute";
155	ifr.style.top = "-10px";
156	ifr.style.marginTop = "-10px";
157	ifr.style.zIndex = "-20";
158	ifr.id = "meteorframe_"+this.instID;
159	document.body.appendChild(ifr);
160	this.frameurl = "http://"+this.subdomain+"."+location.hostname+"/stream.html";
161	this.frameload();
162	}
163	var f = this.pollmode.bind(this);
164	clearTimeout(this.pingtimer);
165	this.pingtimer = setTimeout(f, this.pingtimeout);
166
167	} else {
168	var ifr = document.createElement("IFRAME");
169	ifr.style.width = "10px";
170	ifr.style.height = "10px";
171	ifr.style.border = "none";
172	if (document.all) {
173	ifr.style.display = "none";
174	} else {
175	ifr.style.position = "absolute";
176	ifr.style.marginTop = "-10px";
177	ifr.style.zIndex = "-20";
178	}
179	ifr.id = "meteorframe_"+this.instID;
180	document.body.appendChild(ifr);
181	this.frameurl = "http://"+this.subdomain+"."+location.hostname+"/poll.html";
182	this.frameload();
183	this.recvtimes[0] = t;
184	if (this.updatepollfreqtimer) clearTimeout(this.updatepollfreqtimer);
185	this.updatepollfreqtimer = setInterval(this.updatepollfreq.bind(this), 2500);
186	}
187	this.lastrequest = t;
188	}
189
190	Meteor.prototype.stop = function() {
191	if (typeof(this.transferDoc)=="object") {
192	this.transferDoc.open();
193	this.transferDoc.close();
194	delete this.transferDoc;
195	}
196	if (document.getElementById("meteorframe_"+this.instID)) {
197	document.getElementById("meteorframe_"+this.instID).src="about:blank";
198	document.body.removeChild(document.getElementById("meteorframe_"+this.instID));
199	}
200	if (!isNaN(this.pingtimer)) clearTimeout(this.pingtimer);
201	if (!isNaN(this.updatepollfreqtimer)) clearTimeout(this.updatepollfreqtimer);
202	if (!isNaN(this.frameloadtimer)) clearTimeout(this.frameloadtimer);
203	this.setstatus(0);
204	}
205
206	Meteor.prototype.pollmode = function() {
207	this.mode="poll";
208	this.start();
209	this.callback_changemode("poll");
210	this.lastpingtime = false;
211	}
212
213	Meteor.prototype.process = function(id, data) {
214	if (id > this.lastmsgreceived) {
215	this.callback_process(data);
216	if (id != -1) this.lastmsgreceived = id;
217	if (this.mode=="poll") {
218	var now = new Date();
219	var t = now.getTime();
220	this.recvtimes[this.recvtimes.length] = t;
221	while (this.recvtimes.length > 5) this.recvtimes.shift();
222	}
223	} else if (id == -1) {
224	this.ping();
225	}
226	this.setstatus(5);
227	}
228
229	Meteor.prototype.ping = function() {
230	if (this.mode=="stream" && this.pingtimer) {
231	clearTimeout(this.pingtimer);
232	var f = this.pollmode.bind(this);
233	this.pingtimer = setTimeout(f, this.pingtimeout);
234	var now = new Date();
235	this.lastpingtime = now.getTime();
236	}
237	this.setstatus(5);
238	}
239
240	Meteor.prototype.reset = function() {
241	var now = new Date();
242	var t = now.getTime();
243	var x = this.pollfreq - (t-this.lastrequest);
244	if (x < 10) x = 10;
245	this.ping();
246	this.callback_reset();
247	setTimeout(this.start.bind(this), x);
248	}
249
250	Meteor.prototype.eof = function() {
251	this.callback_eof();
252	}
253
254	Meteor.prototype.get = function(varname) {
255	eval("var a = this."+varname+";");
256	if (typeof(a) == "undefined") throw "Cannot get value of "+varname;
257	return a;
258	}
259
260	Meteor.prototype.increasepolldelay = function() {
261	this.pollfreq *= 2;
262	}
263
264	Meteor.prototype.updatepollfreq = function() {
265	if (this.smartpoll) {
266	var now = new Date();
267	var t = now.getTime();
268	var avg = 0;
269	for (var i=1; i<this.recvtimes.length; i++) {
270	var x = (this.recvtimes[i]-this.recvtimes[i-1]);
271	avg += (x>60000)? 60000 : x;
272	}
273	x = (t-this.recvtimes[this.recvtimes.length-1]);
274	avg += (x>180000)? 180000 : x;
275	avg /= this.recvtimes.length;
276	if ((avg/3) < this.pollfreq && (avg/3) >= this.minpollfreq) this.pollfreq = Math.ceil(this.pollfreq*0.9);
277	if ((avg/3) > this.pollfreq) this.pollfreq = Math.floor(this.pollfreq*1.05);
278	}
279	}
280
281	Meteor.prototype.registerEventCallback = function(evt, funcRef) {
282	if (evt=="process") {
283	this.callback_process = (this.callback_process).andThen(funcRef);
284	} else if (evt=="reset") {
285	this.callback_reset = (this.callback_reset).andThen(funcRef);
286	} else if (evt=="eof") {
287	this.callback_eof = (this.callback_eof).andThen(funcRef);
288	} else if (evt=="changemode") {
289	this.callback_changemode = (this.callback_changemode).andThen(funcRef);
290	} else if (evt=="changestatus") {
291	this.callback_statuschanged = (this.callback_statuschanged).andThen(funcRef);
292	}
293	}
294
295	Meteor.prototype.frameload = function() {
296	this.setstatus(2);
297	if (document.getElementById("meteorframe_"+this.instID)) {
298	var f = this.frameloadtimeout.bind(this);
299	this.frameloadtimer = setTimeout(f, 5000);
300	document.getElementById("meteorframe_"+this.instID).src = "about:blank";
301	setTimeout(this.doloadurl.bind(this), 100);
302	}
303	}
304	Meteor.prototype.doloadurl = function() {
305	var now = new Date();
306	var t = now.getTime();
307	document.getElementById("meteorframe_"+this.instID).src = this.frameurl+"?nocache="+t;
308	}
309	Meteor.prototype.frameloadtimeout = function() {
310	if (this.frameloadtimer) clearTimeout(this.frameloadtimer);
311	this.setstatus(3);
312	this.frameload();
313	}
314	Meteor.prototype.setstatus = function(newstatus) {
315	if (this.status != newstatus) {
316	this.status = newstatus;
317	this.callback_statuschanged(newstatus);
318	}
319	}
320
321	Meteor.createCookie = function(name,value,days) {
322	if (days) {
323	var date = new Date();
324	date.setTime(date.getTime()+(days2460601000));
325	var expires = "; expires="+date.toGMTString();
326	}
327	else var expires = "";
328	document.cookie = name+"="+value+expires+"; path=/";
329	}
330
331	Meteor.readCookie = function(name) {
332	var nameEQ = name + "=";
333	var ca = document.cookie.split(';');
334	for(var i=0;i < ca.length;i++) {
335	var c = ca[i];
336	while (c.charAt(0)==' ') c = c.substring(1,c.length);
337	if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
338	}
339	return null;
340	}
341
342	Meteor.eraseCookie = function(name) {
343	createCookie(name,"",-1);
344	}