Fix auto jump on viewing the diff

backend/templates/diff.html

@@ -90,6 +90,10 @@ function changed() {
 
 	result.textContent = '';
 	result.appendChild(fragment);
+
+	// Jump at start
+	inputs.current=0;
+    next_diff();
 }
 
 window.onload = function() {
@@ -112,6 +116,7 @@ window.onload = function() {
 
 	onDiffTypeChange(document.querySelector('#settings [name="diff_type"]:checked'));
 	changed();
+
 };
 
 a.onpaste = a.onchange =
@@ -139,8 +144,7 @@ for (var i = 0; i < radio.length; i++) {
 
 var inputs = document.getElementsByClassName('change');
 inputs.current=0;
-// Jump at start
+
-next_diff();
 
 function next_diff() {
 
@@ -161,6 +165,7 @@ function next_diff() {
 }
 
 
+
 </script>