https://js.bhvd.de/whatsapp.js?v=20261001

1/* ============================================
2     "Senden Sie uns eine WhatsApp Nachricht"
3     (c)10/2022 fluSoft GbR, [email protected]
4   ============================================
5*/
6
7function wa_auf_zu(){
8  if (document.getElementById("wa_form").style.display == 'block'){
9    document.getElementById("wa_form").style.display = 'none';
10    document.getElementById("wa_button").style.display = 'block';
11  } else {
12    document.getElementById("wa_form").style.display = 'block';
13    document.getElementById("wa_lnk").title.value = 'Formular schliessen';
14    document.getElementById("wa_button").style.display = 'none';
15    document.getElementById("wa_msg").focus();
16 }
17}
18function send_whatsapp(){
19  let phone = '4917641734104';
20  let msg= document.getElementById("wa_msg").value;
21  let encode_msg =  encodeURI(msg);
22  let url = "https://api.whatsapp.com/send?phone="+phone+"&text=";
23  var win = window.open(url+encode_msg, '_blank');
24  wa_auf_zu();
25}
26    document.write("<style><!-- .button{border:2px solid gray;border-radius:6px;color:white;padding:15px 32px;width:200px;text-align:center;text-decoration:none;display: inline-block;"+
27                   "font-size:16px;margin:0;background-color:#333;cursor:pointer;}"+
28                   ".button:hover{background-color:#ccc;color:black;border-color:black;} //--></style>"+
29                   "<div align=center><div align=center style='width:200px;text-align:center;'>"+
30                   "<a href='javascript:wa_auf_zu();' title='Senden Sie uns eine WhatsApp-Nachricht'>"+
31                   "<img src='https://www.bhvd.de/bilder/symbol_whatsapp.png' title='Senden Sie uns eine WhatsApp-Nachricht' "+
32                   "width='200px' alt='WhatsApp-Symbol' border=0 /></a>"+
33                   "<button id='wa_button' class='button' onclick='javascript:wa_auf_zu();' title='Senden Sie uns eine WhatsApp Nachricht'>WhatsApp senden</button>"+
34                   "<div id=wa_form style='display:none;align=center;'>"+
35                   "<form accept-charset='UTF-8'>"+
36                   "<textarea id='wa_msg' name='wa_text' rows=5 cols=20 style='width:200px;font-size:16px;' title='Bitte tragen Sie hier Ihre Nachricht ein.'></textarea><br>"+
37                   "<button class='button' onclick='javascript:send_whatsapp();' title='Zum Senden hier klicken'>senden &#187;</button>"+
38                  "</form></div></div></div>");