Auto-clear search fields always

It was agreed that this features don't need to be an option,
but can always been done. Thus the previous commit could be
further simplified.

Author: zuphilip

index.html

@@ -47,11 +47,6 @@ <h2>Einstellungen</h2>
 			<optgroup id="AT" label="Österreich" />
 			<optgroup id="CH" label="Schweiz" />
 			</select>
-			<br/>
-			<label style="cursor:pointer;">
-				<input type="checkbox" id="toggleClearIsbn" style="vertical-align:middle;" />
-				<span style="vertical-align:middle;">ISBN-Eingabe nach Laden leeren</span>
-			</label>
 		</form>
 		<p>Bei Auswahl eines anderen Verbundes und/oder Bibliothek ändert sich die URL um die entsprechenden Parameter hier.
 		Zudem berücksichtigen die ausgehenden Links dann auch diese Einstellungen (soweit relevant ist).</p>
@@ -111,22 +106,6 @@ <h2>Quellcode und Kontakt</h2>
 
 
 		<script type="text/javascript">
-			// Toggle for clearing ISBN input after page load
-			var clearIsbnKey = 'clearIsbnAfterLoad';
-			var $toggle = document.getElementById('toggleClearIsbn');
-			if ($toggle) {
-				// Default to true if not set
-				var stored = localStorage.getItem(clearIsbnKey);
-				var clearIsbn = (stored === null) ? true : (stored === 'true');
-				$toggle.checked = clearIsbn;
-				$toggle.addEventListener('change', function() {
-					localStorage.setItem(clearIsbnKey, this.checked);
-				});
-				// If not set, set to true in localStorage
-				if (stored === null) {
-					localStorage.setItem(clearIsbnKey, 'true');
-				}
-			}
 			var libraries;
 			fetch('./isbn/srulibraries.json')
 			  .then((response) => response.json())

isbn/suche.html

@@ -227,24 +227,13 @@
 
    updateLinks();
 
-    // Read setting for clearing ISBN input after page load
-    var clearIsbnKey = 'clearIsbnAfterLoad';
-
 
     var meinVerbund = getParameterByName("verbund").toLowerCase() || "k10plus";
     document.querySelector("#selectPpn").value = meinVerbund;
     //Damit werden die Variablen ueber HTML ausgewertet (so wie GET Variablen in PHP)
     if (getParameterByName("isbn")) {
-        $('#eingabeIsbn').val(getParameterByName("isbn"));
-        $('#eingabePpn').val('');
         isbnEingabe(getParameterByName("isbn"));
-        // Clear the input after page load if toggle is enabled
-        if (localStorage.getItem(clearIsbnKey) === 'true') {
-            setTimeout(function() { $('#eingabeIsbn').val(''); }, 0);
-        }
     } else if (getParameterByName("ppn")) {
-        $('#eingabePpn').val(getParameterByName("ppn"));
-        $('#eingabeIsbn').val('');
         ppnEingabe(getParameterByName("ppn"), meinVerbund);
     }