https://www.flying-revue.com/share/jslib/form_mail_list.js

1function kontrolInputDate(input){
2		inputEmailValue = input.UserReg_email.value;
3		inputloginValue = input.UserReg_login.value;
4		inputNameValue = input.UserReg_name.value;
5		inputPasswValue = input.UserReg_passwd.value;
6
7		var lang;
8		var nameW;
9
10		e_mail=/^.+@.+\..{2,4}$/;
11
12		if (e_mail.test(inputEmailValue)==true && inputloginValue != "" && inputNameValue != '' && inputPasswValue != ''){
13			return true;
14		}
15		else{
16
17	  		nameW = navigator.appName;
18
19	  		if(nameW == "Netscape"){
20	  			lang = navigator.appVersion;
21	  			lang = lang.substr(-3,2);
22	  		}
23	  		else	lang = navigator.browserLanguage;
24
25			if(lang == 'cs')
26				string = 'Nezadali jste správně: ';
27			else
28	  			string = 'You did not enter: ';
29
30	  		if(inputNameValue == ''){
31	  			if(lang == 'cs')	string = string + 'jméno ';
32	  			else	string = string + 'name ';
33	  		}
34
35	  		if(inputEmailValue == ''){
36	  			if(lang == 'cs')	string = string + ', e-mail ';
37	  			else	string = string + 'or e-mail ';
38	  		}
39
40	  		if(inputloginValue == ''){
41	  			if(lang == 'cs')	string = string + ', login ';
42	  			else	string = string + 'or login ';
43	  		}
44	  		if(inputPasswValue == ''){
45	  			if(lang == 'cs')	string = string + ', heslo ';
46	  			else	string = string + 'or password ';
47	  		}
48
49			if(inputPasswValue != '_no_' && inputloginValue != '_no_'){
50		  		if(lang == 'cs')	string = string + '\n nebo jste je špatně zadali.';
51		  		else	string = string + '\n or you entered it wrong.';
52			}
53
54	  			alert(string);
55
56			return false;
57		}
58}
59
60function noSpamWithJs(){

61		document.write('<input type="hidden" name="UserReg_spamBoot" value="no' + 'spam' + 'for' + 'mail" />');
62}
63
64function showSupEmail() {
65	var mailTo = "mailto:";
66	document.write('<a href="' + mailTo + '[email protected]" onClick="sendSupEmail(this);">[email protected]</a>');
67}
68
69function sendSupEmail(email){
70	var indexStart;
71	var indexEnd;
72	var domena = window.location + '';
73	indexStart = domena.indexOf('/');
74  indexStart = domena.indexOf('/',indexStart+1);
75  indexEnd = domena.indexOf('/',indexStart+1);
76  if (!indexStart)
77	 indexStart = 0;
78 if (!indexEnd)
79	indexEnd = domena.length;
80  email.href = "mailto:" + email.textContent + "?subject=Technical%20request%20[" + domena.substring(indexStart+1,indexEnd) + "]&body=URL:%20" + domena + "%0A%0DDescription:%20" ;
81}
82
83function showEmail(name, domain, text) {
84	var mailTo = "mailto:";
85	if (text == "") {
86		text = name + '@' + domain;
87	}
88	document.write('<a href="' + mailTo + name + '@' + domain + '">' + text +'</a>');
89	var scriptel = document.getElementById("showEmailScript");
90	if (scriptel) {
91		scriptel.parentNode.removeChild(scriptel);
92	}
93}