https://jetsetflights.co.uk/javascript/TPOnloadHandler_9_071.js?s=316561335&2023-06-27a

1// Release 6.089
2var com;
3if (!com) com={};
4else if (typeof com != "object")
5	throw new Error("com already exists and is not an object");
6
7if (!com.travelpower) com.travelpower = {}
8else if (typeof com.travelpower != "object")
9	throw new Error("com.travelpower already exists and is not an object");
10
11if (!com.travelpower.TPOnloadHandler) com.travelpower.TPOnloadHandler = {}
12
13// Release 6.076 - make sure we don't initialise twice
14if (!com.travelpower.TPOnloadHandler.funcs) com.travelpower.TPOnloadHandler.funcs = []; // The array of functions to call when the document loads
15com.travelpower.TPOnloadHandler.useConsoleLog = false;  // Release 8.075
16com.travelpower.TPOnloadHandler.loaded = false;         // The functions have not been run yet.
17com.travelpower.TPOnloadHandler.i = 0;
18
19function TPOnloadHandler(f) 
20{
21	//alert("TPOnloadHandler");
22	if (com.travelpower.TPOnloadHandler.loaded) f();    // If already loaded, just invoke f() now.
23	else com.travelpower.TPOnloadHandler.funcs.push(f); // Otherwise, store it for later
24}
25
26// Release 8.075 - add optional functionName
27TPOnloadHandler.add = function(f, functionName) 
28{
29    if (!functionName) functionName="";
30    // Release 8.075
31    if (com.travelpower.TPOnloadHandler.useConsoleLog)
32        com.travelpower.ConsoleLog.LogCheckpoint("TPOnloadHandler.add", functionName);
33
34	if (com.travelpower.TPOnloadHandler.loaded) f();    // If already loaded, just invoke f() now.
35	else com.travelpower.TPOnloadHandler.funcs.push(f); // Otherwise, store it for later
36}
37
38// Run all registered functions in the order in which they were registered.
39// It is safe to call TPOnloadHandler.run() more than once: invocations after the
40// first do nothing. It is safe for an initialization function to call
41// TPOnloadHandler() to register another function.
42TPOnloadHandler.run = function(thisEvent) 
43{
44    // Release 8.075
45    if (com.travelpower.TPOnloadHandler.useConsoleLog)
46        com.travelpower.ConsoleLog.LogEndPoint("TPOnloadHandler.run","Start loaded:" + com.travelpower.TPOnloadHandler.loaded);
47
48	if (com.travelpower.TPOnloadHandler.loaded) return;  // If we've already run, do nothing
49
50	com.travelpower.TPOnloadHandler.loaded = true; // Release 4.078 - move this here
51
52	for (com.travelpower.TPOnloadHandler.i = 0; com.travelpower.TPOnloadHandler.i < com.travelpower.TPOnloadHandler.funcs.length; com.travelpower.TPOnloadHandler.i++) {
53        // Release 8.075
54        if (com.travelpower.TPOnloadHandler.useConsoleLog)
55            com.travelpower.ConsoleLog.LogEndPoint("TPOnloadHandler.run","Run");
56
57		try { com.travelpower.TPOnloadHandler.funcs[com.travelpower.TPOnloadHandler.i](); }
58		catch (e) { console.error("TPOnloadHandler.run:"+e) }
59	}
60
61	//com.travelpower.TPOnloadHandler.loaded = true; // Remember that we've already run once.
62	delete com.travelpower.TPOnloadHandler.funcs;  // But don't remember the functions themselves.
63	//delete TPOnloadHandler.run;    // And forget about this function too!
64    // Release 8.075
65    if (com.travelpower.TPOnloadHandler.useConsoleLog)
66        com.travelpower.ConsoleLog.LogEndPoint("TPOnloadHandler.run","End");
67};
68
69//  Release 4.078 - Register TPOnloadHandler.run() as the DOMContentLoaded event handler for the window
70if (document.addEventListener)
71  document.addEventListener("DOMContentLoaded", TPOnloadHandler.run, false)
72//else if (document.all && !window.opera)
73//{

74//  document.write('<script type="text/javascript" id="contentloadtag" defer="defer" src="javascript:void(0)"><\/script>')
75//  var contentloadtag=document.getElementById("contentloadtag")
76//  contentloadtag.onreadystatechange = function ()
77//  {
78//  	if (this.readyState == "complete")
79//  	{
80//  		TPOnloadHandler.run;
81//  	}
82//  }
83else 
84{
85	// For IE
86	// Code taken from http://ajaxian.com/archives/iecontentloaded-yet-another-domcontentloaded
87	(function()
88	{
89		// check IE's proprietary DOM members
90		if ( ! document.uniqueID && document.expando ) return;
91
92		// you can create any tagName, even customTag like <document :ready />
93		var tempNode = document.createElement( 'document:ready' );
94
95		try 
96		{
97			// see if it throws errors until after ondocumentready
98			tempNode.doScroll( 'left' );
99
100			// call ready
101			TPOnloadHandler.run();
102		}
103		catch ( err ) 
104		{
105			setTimeout( arguments.callee, 0 );
106		}
107	})
108	();
109}
110
111// Register TPOnloadHandler.run() as the onload event handler for the window
112// Release 4.078 - this is now the back-stop in case the DOMContentLoaded method doesn't work
113if (window.addEventListener)
114	window.addEventListener("load", TPOnloadHandler.run, false);
115else if (window.attachEvent) window.attachEvent("onload", TPOnloadHandler.run);
116else window.onload = TPOnloadHandler.run;
117
118// Release 9.071
119if (com.travelpower.TPOnloadHandler.useConsoleLog)
120	com.travelpower.ConsoleLog.LogEndPoint("TPOnloadHandler.js", "loaded");
121
122//alert("TPOnloadHandler OK");