diff --git a/htroot/WatchWebStructure_p.html b/htroot/WatchWebStructure_p.html
index 1eb5708c1..684f43aaa 100644
--- a/htroot/WatchWebStructure_p.html
+++ b/htroot/WatchWebStructure_p.html
@@ -14,7 +14,7 @@
 <tr>
 <td valign="top">
 <dl>
-<dt>host</dt><dd><input type="text" value="#[host]#" id="host" onblur="changeHost()" /></dd>
+<dt>host</dt><dd><input type="text" value="#[host]#" id="host" onblur="changeHost()" onkeydown="keydown(event)"/></dd>
 <dt>depth</dt><dd>#[depth]#<br/>
   <a href="WatchWebStructure_p.html?host=#[host]#&depth=#[depthd]#&width=#[width]#&height=#[height]#"><img src="env/grafics/minus.gif" /></a>
   <a href="WatchWebStructure_p.html?host=#[host]#&depth=#[depthi]#&width=#[width]#&height=#[height]#"><img src="env/grafics/plus.gif" /></a>
diff --git a/htroot/js/WatchWebStructure.js b/htroot/js/WatchWebStructure.js
index 5b5f754ba..9c9cb6d1a 100644
--- a/htroot/js/WatchWebStructure.js
+++ b/htroot/js/WatchWebStructure.js
@@ -1,3 +1,8 @@
 function changeHost(){
 	window.location.replace("http://"+window.location.host+":"+window.location.port+"/WatchWebStructure_p.html?host="+document.getElementById("host").value);
+}
+function keydown(ev){
+        if(ev.which==13){
+                changeHost();
+        }
 }
\ No newline at end of file