X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fon-line%2Fjavascript%2Futils.js;h=42599f7e8462bf17553b8513994a55e320f678fe;hb=de7919bc2f1c068734c6760af0cb44c6d7022804;hp=feab364de235d77bd30d79ca59974bd9b8c8ae5c;hpb=3924d3a11a488176c28af5e82ee3810d9a6350ed;p=helm.git

diff --git a/helm/on-line/javascript/utils.js b/helm/on-line/javascript/utils.js
index feab364de..42599f7e8 100644
--- a/helm/on-line/javascript/utils.js
+++ b/helm/on-line/javascript/utils.js
@@ -8,19 +8,23 @@ function setParam(url,name,value)
   var urla = url.split("?");
   var search = urla[1];
   var args = search.split("&");
+  var found = false;
 
   for (var i = 0 ; i < args.length ; i++) {
      var couple = args[i].split("=");
-     if (couple[0] == name) args[i] = name + "=" + value;
+     if (couple[0] == name) {
+        found = true;
+        args[i] = name + "=" + value;
+     }
   }
 
-
-  return (urla[0] + "?" + args.join("&"));
+  return (urla[0] + "?" + args.join("&") + (found ? "" : ("&" + name + "=" + value)));
 }
 
 function extractParam(url,name)
 {
   var search = url.split("?")[1];
+  search = search.split("#")[0];
   var args = search.split("&");
   var value = "???";
 
@@ -34,10 +38,8 @@ function extractParam(url,name)
   return value;
 }
 
-function getParam(name)
+function getParam0(search,name)
 {
-  var search = location.search;
-  search = search.slice(1);
   var args = search.split("&");
   var value = "???";
 
@@ -51,6 +53,23 @@ function getParam(name)
   return value;
 }
 
+function getParam(name)
+{
+  return getParam0(location.search.slice(1),name);
+}
+
+function getParam2(name)
+{
+  var url = unescape(getParam('xmluri'));
+  var tmp = url.split("?");
+
+  if (tmp.length > 1)
+     return getParam0(tmp[1],name);
+  else
+     return getDefaultParam(name);
+}
+
+
 function outputOption(doc, value, content, selected)
 {
   doc.write("<option value=\"" + value + "\" ");