https://www.yourauthenticreflections.com/cfformprotect/js/cffp.js

1// Bas van der Graaf ([email protected]): 
2// Declare getInputElementsByClassName to collect all input fields with a certain classname
3var getInputElementsByClassName = function (c) {
4	var r = new Array();
5	var j = 0;
6	var o = document.getElementsByTagName('input');
7	for(i=0;i<o.length;i++)
8	{
9		if(o[i].className == c) {
10			r[j]=o[i];j++;
11		}
12	}
13	return r;
14} 
15
16/* This code will grab two mouse coordinate sets from the user's mouse.
17 * The first set is shortly after the user starts moving thier mouse across the web page.
18 * The second set is grabbed a specified time later.  The distance between the two sets
19 * is calculated and stored in a form field
20 */
21
22//tell the browser to start executing the timedMousePos function every x milliseconds
23var myInterval = window.setInterval(timedMousePos,250)
24
25// Variables for mouse positions
26var xPos = -1;
27var yPos = -1;
28var firstX = -1;
29var firstY = -1;
30// variable to track how many times I polled the mouse position
31var intervals = 0;
32
33// retrieve mouse x,y coordinates
34function getMousePos(p) {
35	if (!p) var p = window.event;
36	if (p.pageX || p.pageY) {
37		xPos = p.pageX;
38		yPos = p.pageY;
39	}	else if (p.clientX || p.clientY) {
40		xPos = p.clientX + document.body.scrollLeft	+ document.documentElement.scrollLeft;
41		yPos = p.clientY + document.body.scrollTop + document.documentElement.scrollTop;
42	}
43}
44
45// capture mouse movement
46function timedMousePos() {
47	//when the user moves the mouse, start working
48	document.onmousemove = getMousePos;
49	if (xPos >= 0 && yPos >= 0) {
50		//0,0 is a valid mouse position, so I want to accept that.  for this reason
51		//my vars are initialized to -1
52		var newX = xPos;
53		var newY = yPos;
54		intervals++;
55	}
56	if (intervals == 1) {
57		//store the first coordinates when we've got a pair (not when 'intervals' is 0)
58	  firstX = xPos;
59  	firstY = yPos;
60	} else if (intervals == 2) {
61		//I've got two coordinate sets
62		//tell the browser to stop executing the timedMousePos function
63  	clearInterval(myInterval);
64		//send the 4 mouse coordinates to the calcDistance function
65  	calcDistance(firstX,firstY,newX,newY);
66  }
67}
68
69function calcDistance(aX,aY,bX,bY) {
70	//use the Euclidean 2 dimensional distance formula to calculate the distance 
71	//in pizels between the coordinate sets 
72	var mouseTraveled = Math.round(Math.sqrt(Math.pow(aX-bX,2)+Math.pow(aY-bY,2)));
73	//ajax stuff to set a session variable
74	try	{
75		// Dave Shuck - 26 Mar 2007 - added try/catch for giant pages that take a while to 
76		// load, in case the user moves their mouse before the page is completely rendered.
77		// Bas van der Graaf ([email protected]) 
78		// Get all usedKeyboard inputs and set value
79		var elMouseMovement = getInputElementsByClassName('cffp_mm');
80		for (var i=0;i<elMouseMovement.length;i++)
81		{
82			elMouseMovement[i].value = mouseTraveled
83		} 
84	}
85	catch(excpt) { /* no action to take */ }
86}
87
88var keysPressed = 0;
89//capture when a user uses types on their keyboard
90document.onkeypress = logKeys;
91
92function logKeys() {
93	//user hit a key, increment the counter
94	keysPressed++;
95	// Bas van der Graaf ([email protected]) 
96	// Get all usedKeyboard inputs and set value
97	var elKeyPressed = getInputElementsByClassName('cffp_kp');
98	for (var i=0;i<elKeyPressed.length;i++)
99	{
100		elKeyPressed[i].value = keysPressed
101	} 
102}
103
104function dummy() {}