add search nothing to offical page

server/cn/home/www/HomePage/index.html

@@ -28,29 +28,29 @@
         function do_baidu_search() {
             var search_txt = document.getElementById("search-bar-input").value;
             if (search_txt == "") {
-                alert("search text is empty ! ");
-                return false;
+                window.open("https://www.baidu.com");
+                return;
             }
-            var search_url = "https://www.baidu.com/s?wd=" + search_txt;
+            var search_url = "https://www.baidu.com/s?wd=" + encodeURI(search_txt);
             window.open(search_url);
         }
         function do_google_search() {
             var search_txt = document.getElementById("search-bar-input").value;
             if (search_txt == "") {
-                alert("search text is empty ! ");
-                return false;
+                window.open("https://www.google.com");
+                return;
             }
-            var search_url = "https://www.google.com/search?newwindow=1&hl=zh-CN&q=" + search_txt;
+            var search_url = "https://www.google.com/search?newwindow=1&hl=zh-CN&q=" + encodeURI(search_txt);
             window.open(search_url);
         }
 		function on_enter_key(){
 			if (event.keyCode==13){
 				var search_txt = document.getElementById("search-bar-input").value;
 				if (search_txt == "") {
-					alert("search text is empty ! ");
-					return false;
+                    window.open("https://www.google.com");
+                    return;
 				}
-				var search_url = "https://www.google.com/search?newwindow=1&hl=zh-CN&q=" + search_txt;
+				var search_url = "https://www.google.com/search?newwindow=1&hl=zh-CN&q=" + encodeURI(search_txt);
 				window.open(search_url);
 			}
 		}