https://www.usairnet.com/assets/weather/tabs/ajax.js

1/* Simple AJAX Code-Kit (SACK) */
2/* ©2005 Gregory Wild-Smith */
3/* www.twilightuniverse.com */
4/* Software licenced under a modified X11 licence, see documentation or authors website for more details */
5
6function sack(file){
7	this.AjaxFailedAlert = "Your browser does not support the enhanced functionality of this website, and therefore you will have an experience that differs from the intended one.\n";
8	this.requestFile = file;
9	this.method = "POST";
10	this.URLString = "";
11	this.encodeURIString = true;
12	this.execute = false;
13
14	this.onLoading = function() { };
15	this.onLoaded = function() { };
16	this.onInteractive = function() { };
17	this.onCompletion = function() { };
18
19	this.createAJAX = function() {
20		try {
21			this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
22		} catch (e) {
23			try {
24				this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
25			} catch (err) {
26				this.xmlhttp = null;
27			}
28		}
29		if(!this.xmlhttp && typeof XMLHttpRequest != "undefined")
30			this.xmlhttp = new XMLHttpRequest();
31		if (!this.xmlhttp){
32			this.failed = true; 
33		}
34	};
35	
36	this.setVar = function(name, value){
37		if (this.URLString.length < 3){
38			this.URLString = name + "=" + value;
39		} else {
40			this.URLString += "&" + name + "=" + value;
41		}
42	}
43	
44	this.encVar = function(name, value){
45		var varString = encodeURIComponent(name) + "=" + encodeURIComponent(value);
46	return varString;
47	}
48	
49	this.encodeURLString = function(string){
50		varArray = string.split('&');
51		for (i = 0; i < varArray.length; i++){
52			urlVars = varArray[i].split('=');
53			if (urlVars[0].indexOf('amp;') != -1){
54				urlVars[0] = urlVars[0].substring(4);
55			}
56			varArray[i] = this.encVar(urlVars[0],urlVars[1]);
57		}
58	return varArray.join('&');
59	}
60	
61	this.runResponse = function(){
62		eval(this.response);
63	}
64	
65	this.runAJAX = function(urlstring){
66		this.responseStatus = new Array(2);
67		if(this.failed && this.AjaxFailedAlert){ 
68			alert(this.AjaxFailedAlert); 
69		} else {
70			if (urlstring){ 
71				if (this.URLString.length){
72					this.URLString = this.URLString + "&" + urlstring; 
73				} else {
74					this.URLString = urlstring; 
75				}
76			}
77			if (this.encodeURIString){
78				var timeval = new Date().getTime(); 
79				this.URLString = this.encodeURLString(this.URLString);
80				this.setVar("rndval", timeval);
81			}
82			if (this.element) { this.elementObj = document.getElementById(this.element); }
83			if (this.xmlhttp) {
84				var self = this;
85				if (this.method == "GET") {
86					var totalurlstring = this.requestFile + "?" + this.URLString;
87					this.xmlhttp.open(this.method, totalurlstring, true);
88				} else {
89					this.xmlhttp.open(this.method, this.requestFile, true);
90				}
91				if (this.method == "POST"){
92  					try {
93						this.xmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded')  
94					} catch (e) {}
95				}
96
97				this.xmlhttp.send(this.URLString);
98				this.xmlhttp.onreadystatechange = function() {
99					switch (self.xmlhttp.readyState){
100						case 1:
101							self.onLoading();
102						break;
103						case 2:
104							self.onLoaded();
105						break;
106						case 3:
107							self.onInteractive();
108						break;
109						case 4:
110							self.response = self.xmlhttp.responseText;
111							self.responseXML = self.xmlhttp.responseXML;
112							self.responseStatus[0] = self.xmlhttp.status;
113							self.responseStatus[1] = self.xmlhttp.statusText;
114							self.onCompletion();
115							if(self.execute){ self.runResponse(); }
116							if (self.elementObj) {
117								var elemNodeName = self.elementObj.nodeName;
118								elemNodeName.toLowerCase();
119								if (elemNodeName == "input" || elemNodeName == "select" || elemNodeName == "option" || elemNodeName == "textarea"){
120									self.elementObj.value = self.response;
121								} else {
122									self.elementObj.innerHTML = self.response;
123								}
124							}
125							self.URLString = "";
126						break;
127					}
128				};
129			}
130		}
131	};
132this.createAJAX();
133}