From 60ac3f27d73a64802385188859a8010f7c0c9fad Mon Sep 17 00:00:00 2001
From: Christoph Herbst <christoph.p.herbst@gmx.de>
Date: Mon, 5 Jul 2010 13:35:30 +0200
Subject: [PATCH] search.js: only load on certain input

---
 web/js/search.js | 34 +++++++++++++++++++++++++++-------
 1 file changed, 27 insertions(+), 7 deletions(-)

diff --git a/web/js/search.js b/web/js/search.js
index d6bcc4f..8384bf0 100644
--- a/web/js/search.js
+++ b/web/js/search.js
@@ -1,17 +1,37 @@
+var doLoad = false;
+var oldValue;
+
+function doAjaxCall( value, action  ) {
+      //alert('got argument:' + value+ ':' + action );
+      $('#loader').show();
+      $('#anlagen').load(
+        action + ' #anlagen',
+        { query: value + '*' },
+        function() { $('#loader').hide(); }
+      );
+      doLoad = false;
+}
+
 $(document).ready(function()
 {
   //$('.search input[type="submit"]').hide();
  
   $('#search_keywords').keyup(function(key)
   {
-    if (this.value.length >= 3 || this.value == '')
+    if ( key.which != '8' && key.which != '46' && !doLoad )
+	return;
+    if ( (this.value.length >= 3 || this.value == '' ) && 
+	   oldValue != this.value )
     {
-      $('#loader').show();
-      $('#anlagen').load(
-        $(this).parents('form').attr('action') + ' #anlagen',
-        { query: this.value + '*' },
-        function() { $('#loader').hide(); }
-      );
+	oldValue = this.value;
+	doAjaxCall(this.value,
+		$(this).parents('form').attr('action'));
     }
   });
+
+  $('#search_keywords').keypress(function(key)
+  {
+    if (this.value.length >= 2)
+    	doLoad = true;
+  });
 });