https://zoom.cnews.ru/inc/js/tooltip/script.js?hash=b6ab17f97ef5d9b53241

1var tooltip=function(){
2	var id = 'tt';
3	var top = 3;
4	var left = 3;
5	var maxw = 300;
6	var speed = 10;
7	var timer = 20;
8	var endalpha = 86;
9	var alpha = 0;
10	var tt,t,c,b,h;
11	var ie = document.all ? true : false;
12	return{
13		show:function(v,w){
14			if(tt == null){
15				tt = document.createElement('div');
16				tt.setAttribute('id',id);
17				t = document.createElement('div');
18				t.setAttribute('id',id + 'top');
19				c = document.createElement('div');
20				c.setAttribute('id',id + 'cont');
21				b = document.createElement('div');
22				b.setAttribute('id',id + 'bot');
23				tt.appendChild(t);
24				tt.appendChild(c);
25				tt.appendChild(b);
26				document.body.appendChild(tt);
27				tt.style.opacity = 0;
28				tt.style.filter = 'alpha(opacity=0)';
29				document.onmousemove = this.pos;
30			}
31			tt.style.display = 'block';
32			c.innerHTML = v;
33			tt.style.width = w ? w + 'px' : 'auto';
34			if(!w && ie){
35				t.style.display = 'none';
36				b.style.display = 'none';
37				tt.style.width = tt.offsetWidth;
38				t.style.display = 'block';
39				b.style.display = 'block';
40			}
41			if(tt.offsetWidth > maxw){tt.style.width = maxw + 'px'}
42			h = parseInt(tt.offsetHeight) + top;
43			clearInterval(tt.timer);
44			tt.timer = setInterval(function(){tooltip.fade(1)},timer);
45		},
46		pos:function(e){
47			var u = ie ? event.clientY + document.documentElement.scrollTop : e.pageY;
48			var l = ie ? event.clientX + document.documentElement.scrollLeft : e.pageX;
49			tt.style.top = (u - h) + 'px';
50			tt.style.left = (l + left) + 'px';
51		},
52		fade:function(d){
53			var a = alpha;
54			if((a != endalpha && d == 1) || (a != 0 && d == -1)){
55				var i = speed;
56				if(endalpha - a < speed && d == 1){
57					i = endalpha - a;
58				}else if(alpha < speed && d == -1){
59					i = a;
60				}
61				alpha = a + (i * d);
62				tt.style.opacity = alpha * .01;
63				tt.style.filter = 'alpha(opacity=' + alpha + ')';
64			}else{
65				clearInterval(tt.timer);
66				if(d == -1){tt.style.display = 'none'}
67			}
68		},
69		hide:function(){
70			clearInterval(tt.timer);
71			tt.timer = setInterval(function(){tooltip.fade(-1)},timer);
72		}
73	};
74}();