https://www.vienormali.it/js/js-hp/rollovermap.js

1	//rollover mappa italia
2	window.onerror=null;
3	browserName = navigator.appName;
4	browserVer = parseInt(navigator.appVersion);
5	
6	if(browserName=="Netscape" && browserVer >= 3 || browserName=="Explorer" && browserVer >= 4) ver = "yes";
7	else ver = "yes";
8
9	if(ver == "yes") {
10		italiaoff = new Image(); italiaoff.src ="images/layout/italia.jpg";	
11		italia1on = new Image(); italia1on.src ="images/layout/ita-valaosta.jpg";
12		italia2on = new Image(); italia2on.src ="images/layout/ita-piemonte.jpg";
13		italia3on = new Image(); italia3on.src ="images/layout/ita-lombardia.jpg";
14		italia4on = new Image(); italia4on.src ="images/layout/ita-trentino.jpg";
15		italia5on = new Image(); italia5on.src ="images/layout/ita-veneto.jpg";
16		italia6on = new Image(); italia6on.src ="images/layout/ita-friuli.jpg";
17		italia7on = new Image(); italia7on.src ="images/layout/ita-emilia.jpg";
18		italia8on = new Image(); italia8on.src ="images/layout/ita-toscana.jpg";
19		italia9on = new Image(); italia9on.src ="images/layout/ita-liguria.jpg";
20		italia10on = new Image(); italia10on.src ="images/layout/ita-umbria.jpg";
21		italia11on = new Image(); italia11on.src ="images/layout/ita-marche.jpg";
22		italia12on = new Image(); italia12on.src ="images/layout/ita-abruzzo.jpg";
23		italia13on = new Image(); italia13on.src ="images/layout/ita-lazio.jpg";
24		italia14on = new Image(); italia14on.src ="images/layout/ita-campania.jpg";
25		italia15on = new Image(); italia15on.src ="images/layout/ita-molise.jpg";
26		italia16on = new Image(); italia16on.src ="images/layout/ita-puglia.jpg";
27		italia17on = new Image(); italia17on.src ="images/layout/ita-basilicata.jpg";
28		italia18on = new Image(); italia18on.src ="images/layout/ita-calabria.jpg";
29		italia19on = new Image(); italia19on.src ="images/layout/ita-sicilia.jpg";
30		italia20on = new Image(); italia20on.src ="images/layout/ita-sardegna.jpg";
31	}
32
33	function active(imgName,imgNum){
34		if (ver == "yes")  {
35			switch (imgNum) {
36                case 1: {
37                    img1 = eval(imgName + "1on.src");
38					document [imgName].src = img1;
39                    break;
40                }
41                case 2: {
42                    img2 = eval(imgName + "2on.src");
43					document [imgName].src = img2;
44                    break;
45                }
46                case 3: {
47                    img3 = eval(imgName + "3on.src");
48					document [imgName].src = img3;
49                    break;
50                }
51                case 4: {
52                    img4 = eval(imgName + "4on.src");
53					document [imgName].src = img4;
54                    break;
55                }
56                case 5: {
57                    img5 = eval(imgName + "5on.src");
58					document [imgName].src = img5;
59                    break;
60                }
61                case 6: {
62                    img6 = eval(imgName + "6on.src");
63					document [imgName].src = img6;
64                    break;
65                }
66                case 7: {
67                    img7 = eval(imgName + "7on.src");
68					document [imgName].src = img7;
69                    break;
70                }
71                case 8: {
72                    img8 = eval(imgName + "8on.src");
73					document [imgName].src = img8;
74                    break;
75                }
76                case 9: {
77                    img9 = eval(imgName + "9on.src");
78					document [imgName].src = img9;
79                    break;
80                }
81                case 10: {
82                    img10 = eval(imgName + "10on.src");
83					document [imgName].src = img10;
84                    break;
85                }
86                case 11: {
87                    img11 = eval(imgName + "11on.src");
88					document [imgName].src = img11;
89                    break;
90                }
91                case 12: {
92                    img12 = eval(imgName + "12on.src");
93					document [imgName].src = img12;
94                    break;
95                }
96                case 13: {
97                    img13 = eval(imgName + "13on.src");
98					document [imgName].src = img13;
99                    break;
100                }
101                case 14: {
102                    img14 = eval(imgName + "14on.src");
103					document [imgName].src = img14;
104                    break;
105                }
106                case 15: {
107                    img15 = eval(imgName + "15on.src");
108					document [imgName].src = img15;
109                    break;
110                }
111                case 16: {
112                    img16 = eval(imgName + "16on.src");
113					document [imgName].src = img16;
114                    break;
115                }
116                case 17: {
117                    img17 = eval(imgName + "17on.src");
118					document [imgName].src = img17;
119                    break;
120                }
121                case 18: {
122                    img18 = eval(imgName + "18on.src");
123					document [imgName].src = img18;
124                    break;
125                }
126                case 19: {
127                    img19 = eval(imgName + "19on.src");
128					document [imgName].src = img19;
129                    break;
130                }
131                case 20: {
132                    img20 = eval(imgName + "20on.src");
133					document [imgName].src = img20;

134                    break;
135                }
136			}
137		}
138	}
139	
140	function inactive(imgName){
141		if (ver == "yes")  {
142			imgoff = eval(imgName + "off.src");
143			document [imgName].src = imgoff;
144		}
145	}