diff --git a/README.md b/README.md
index ceb677f..0e63dd9 100644
--- a/README.md
+++ b/README.md
@@ -89,7 +89,7 @@ git submodule add https://git.seemsleg.it/ef/cssjs-func-lib cssjs
 
 <input type="text" value="Hello World" id="copy-to-clipboard">
 <div class="copy-to-clipboard">
-          <input type="text" readonly="true" value="blablabla" id="copy-to-clipboard" onclick=" copyToClipboard();copiedToClipboard();return false;" onmouseout="resetClipboard()">
+          <input type="text" readonly="true" value="blablabla" id="copy-to-clipboard" onclick=" copyToClipboard('copy-to-clipboard');copiedToClipboard('copy-to-clipboard-tooltip');return false;" onmouseout="resetClipboard('copy-to-clipboard-tooltip')">
             <span class="tooltiptext" id="copy-to-clipboard-tooltip">Kopieren</span>
           </div>
 ```
\ No newline at end of file
diff --git a/copy-to-clipboard.js b/copy-to-clipboard.js
index c7f80c6..ee6c105 100644
--- a/copy-to-clipboard.js
+++ b/copy-to-clipboard.js
@@ -1,5 +1,5 @@
-function copyToClipboard() {
-  var copyText = document.getElementById("copy-to-clipboard");
+function copyToClipboard(id) {
+  var copyText = document.getElementById(id);
 
   /* Select the text field */
   copyText.select();
@@ -9,12 +9,12 @@ function copyToClipboard() {
   document.execCommand("copy");
 }
 
-function copiedToClipboard() {
-  var tooltip = document.getElementById("copy-to-clipboard-tooltip");
+function copiedToClipboard(id) {
+  var tooltip = document.getElementById(id);
   tooltip.innerHTML = "Kopiert";
 }
 
-function resetClipboard() {
-  var tooltip = document.getElementById("copy-to-clipboard-tooltip");
+function resetClipboard(id) {
+  var tooltip = document.getElementById(id);
   tooltip.innerHTML = "Kopieren";
 }
\ No newline at end of file