https://yungash-school.ru/plugins/system/egolttooltip/initialize.js

1var qTipTag = "a,label,input,img,textarea"; //Which tag do you want to qTip-ize? Keep it lowercase!//
2var qTipX = 0; //This is qTip's X offset//
3var qTipY = 15; //This is qTip's Y offset//
4
5//There's No need to edit anything below this line//
6tooltip = {
7  name : "qTip",
8  offsetX : qTipX,
9  offsetY : qTipY,
10  tip : null
11}
12
13tooltip.init = function () {
14	var tipNameSpaceURI = "http://www.w3.org/1999/xhtml";
15	if(!tipContainerID){ var tipContainerID = "qTip";}
16	var tipContainer = document.getElementById(tipContainerID);
17
18	if(!tipContainer) {
19	  tipContainer = document.createElementNS ? document.createElementNS(tipNameSpaceURI, "div") : document.createElement("div");
20		tipContainer.setAttribute("id", tipContainerID);
21	  document.getElementsByTagName("body").item(0).appendChild(tipContainer);
22	}
23
24	if (!document.getElementById) return;
25	this.tip = document.getElementById (this.name);
26	if (this.tip) document.onmousemove = function (evt) {tooltip.move (evt)};
27
28	var a, sTitle, elements;
29	
30	var elementList = qTipTag.split(",");
31	for(var j = 0; j < elementList.length; j++)
32	{	
33		elements = document.getElementsByTagName(elementList[j]);
34		if(elements)
35		{
36			for (var i = 0; i < elements.length; i ++)
37			{
38				a = elements[i];
39				sTitle = a.getAttribute("title");				
40				if(sTitle)
41				{
42					a.setAttribute("tiptitle", sTitle);
43					a.removeAttribute("title");
44					a.removeAttribute("alt");
45					a.onmouseover = function() {tooltip.show(this.getAttribute('tiptitle'))};
46					a.onmouseout = function() {tooltip.hide()};
47				}
48			}
49		}
50	}
51}
52
53tooltip.move = function (evt) {
54	var x=0, y=0;
55	if (document.all) {//IE
56		x = (document.documentElement && document.documentElement.scrollLeft) ? document.documentElement.scrollLeft : document.body.scrollLeft;
57		y = (document.documentElement && document.documentElement.scrollTop) ? document.documentElement.scrollTop : document.body.scrollTop;
58		x += window.event.clientX;
59		y += window.event.clientY;
60		
61	} else {//Good Browsers
62		x = evt.pageX;
63		y = evt.pageY;
64	}
65	this.tip.style.left = (x + this.offsetX) + "px";
66	this.tip.style.top = (y + this.offsetY) + "px";
67}
68
69tooltip.show = function (text) {
70	if (!this.tip) return;
71	this.tip.innerHTML = text;
72	this.tip.style.display = "block";
73}
74
75tooltip.hide = function () {
76	if (!this.tip) return;
77	this.tip.innerHTML = "";
78	this.tip.style.display = "none";
79}
80
81window.onload = function () {
82	tooltip.init ();
83}