add multi theming support

searx/static/default/js/searx.js

@@ -0,0 +1,45 @@
+if(searx.autocompleter) {
+    window.addEvent('domready', function() {
+	    new Autocompleter.Request.JSON('q', '/autocompleter', {
+		    postVar:'q',
+		    postData:{
+			    'format': 'json'
+		    },
+		    ajaxOptions:{
+		        timeout: 5   // Correct option?
+		    },
+		    'minLength': 4,
+		    // 'selectMode': 'type-ahead',
+		    cache: true,
+		    delay: 300
+	    });
+    });
+}
+
+(function (w, d) {
+    'use strict';
+    function addListener(el, type, fn) {
+        if (el.addEventListener) {
+            el.addEventListener(type, fn, false);
+        } else {
+            el.attachEvent('on' + type, fn);
+        }
+    }
+
+    function placeCursorAtEnd() {
+        if (this.setSelectionRange) {
+            var len = this.value.length * 2;
+            this.setSelectionRange(len, len);
+        }
+    }
+
+    addListener(w, 'load', function () {
+        var qinput = d.getElementById('q');
+        if (qinput !== null && qinput.value === "") {
+            addListener(qinput, 'focus', placeCursorAtEnd);
+            qinput.focus();
+        }
+    });
+
+})(window, document);
+