Don't prefill empty input field. Fixes #1716.

No need to use a jQuery fallback, by the way.

includes/functions-html.php

@@ -166,12 +166,11 @@ function yourls_html_footer() {
  * @param string $keyword Keyword to prefill the input with
  */
 function yourls_html_addnew( $url = '', $keyword = '' ) {
-	$url = $url ? $url : 'http://';
 	?>
 	<div id="new_url">
 		<div>
 			<form id="new_url_form" action="" method="get">
-				<div><strong><?php yourls_e( 'Enter the URL' ); ?></strong>:<input type="text" id="add-url" name="url" value="<?php echo $url; ?>" class="text" size="80" />
+				<div><strong><?php yourls_e( 'Enter the URL' ); ?></strong>:<input type="text" id="add-url" name="url" value="<?php echo $url; ?>" class="text" size="80" placeholder="http://" />
 				<?php yourls_e( 'Optional '); ?>: <strong><?php yourls_e('Custom short URL'); ?></strong>:<input type="text" id="add-keyword" name="keyword" value="<?php echo $keyword; ?>" class="text" size="8" />
 				<?php yourls_nonce_field( 'add_url', 'nonce-add' ); ?>
 				<input type="button" id="add-button" name="add-button" value="<?php yourls_e( 'Shorten The URL' ); ?>" class="button" onclick="add_link();" /></div>

js/insert.js

@@ -176,7 +176,7 @@ function zebra_table() {
 
 // Ready to add another URL
 function add_link_reset() {
-	$('#add-url').val('http://').focus();
+	$('#add-url').val('').focus();
 	$('#add-keyword').val('');
 }