diff --git a/build.sbt b/build.sbt
index 3f9bdaa..972a86a 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,3 +1,5 @@
+import xsbti.compile.CompileAnalysis
+
 name := "jpacrepo"
 
 organization := "com.oggio88"
@@ -44,6 +46,26 @@ artifactName := { (sv: ScalaVersion, module: ModuleID, artifact: Artifact) =>
 
 //javacOptions += "-g"
 
+val compileNim = TaskKey[File]("compileNim", "Compile nim code of web interface", KeyRanks.ATask)
+compileNim := {
+    val result = new File("src/main/webapp/jpacrepo.js")
+    val cmd = s"nim js -d:release -d:serverURL= -o:${result.getPath} nim/jpacrepo.nim"
+    println(cmd)
+    sys.process.stringToProcess(cmd).! match
+    {
+        case 0 =>
+        case _ => throw new RuntimeException("Error occurred during deploy")
+    }
+    result
+}
+
+//compile in Compile <+= compileNim
+packagedArtifact in(Compile, Keys.`package`) := {
+    val res =  (packagedArtifact in(Compile, Keys.`package`)).value
+    val res2 = compileNim.value
+    res
+}
+
 val wildflyUsername = SettingKey[String]("wildfly-username", "The account username to use to connect to wildfly with jboss-cli.sh")
 val wildflyPassword = SettingKey[String]("wildfly-password", "The account password to use to connect to wildfly with jboss-cli.sh")
 val wildflyURL = SettingKey[String]("wildfly-url", "The username to use to connect to wildfly with jboss-cli.sh")
@@ -54,7 +76,6 @@ wildflyURL := "localhost:1234"
 
 val deploy2Wildfly = TaskKey[Unit]("deploy2Wildfly", "Deploy to a wildfly server instance", KeyRanks.ATask)
 
-
 deploy2Wildfly :=  {
         val cmd = s"/opt/wildfly/bin/jboss-cli.sh " +
             s"--controller='${wildflyURL.value}' " +
@@ -64,7 +85,7 @@ deploy2Wildfly :=  {
         println(cmd)
         sys.process.stringToProcess(cmd).! match
         {
-            case 0 => "OK"
+            case 0 =>
             case _ => throw new RuntimeException("Error occurred during deploy")
         }
 }
diff --git a/nim/htmlutils b/nim/htmlutils
index 4e52526..366e6f0 160000
--- a/nim/htmlutils
+++ b/nim/htmlutils
@@ -1 +1 @@
-Subproject commit 4e52526abb2c7bfbaeb2642eec7b0456390d47dc
+Subproject commit 366e6f0be1c4b448345b32a37fad344b756b4624
diff --git a/nim/jpacrepo.nim b/nim/jpacrepo.nim
index 7aa83c0..a2589b7 100644
--- a/nim/jpacrepo.nim
+++ b/nim/jpacrepo.nim
@@ -9,6 +9,8 @@ from sequtils import map, apply
 
 var pkgMap : JsonNode
 
+const serverURL {.strdefine.}: string = "http://oggio88.soon.it/jpacrepo/"
+
 type DownloadPanel = ref object
     badge : Node
     listgroup : Node
@@ -52,22 +54,18 @@ proc newDownloadPanel(parent : Node) : DownloadPanel =
                         node.appendChild(document.createTextNode(" Download"))
                         let clickHandler = proc(e : Event) =
                             let pkglist : seq[string] = sequtils.toSeq(dp.pkgs.items())
-                            let r = newXMLHTTPRequest()
-                            let load_cb = proc(e : Event) =
-                                var blob : Blob = r.responseAsBlob #newBlob(r.response, "application/x-tar")
-                                let anchor = document.createElement("a")
-                                let url = createObjectURL(blob)
-                                anchor.setAttribute("href", url)
-                                anchor.setAttribute("download", "archive.tar")
-                                anchor.click()
-                                revokeObjectURL(url)
-                            r.addEventListener("load", load_cb)
-                            r.open("post", "rest/pkg/downloadTar")
-                            r.responseType = "blob"
-                            r.setRequestHeader("Accept", "application/x-tar")
-                            r.setRequestHeader("Content-Type", "application/json")
-                            r.send($(%*pkglist))
-
+                            let form = cast[Formelement](document.createElement("form"))
+                            form.style.display = "none"
+                            form.setAttribute("method", "post")
+                            form.setAttribute("action", serverURL & "rest/pkg/downloadTar")
+                            let tf= document.createElement("input")
+                            tf.setAttribute("name", "pkgs")
+                            let txt = sequtils.foldl(pkglist, a & " " & b)
+                            echo txt
+                            tf.value(txt)
+                            form.appendChild(tf)
+                            document.body.appendChild(form)
+                            form.submit()
                         node.addEventListener("click", clickHandler)
                 cb:
                     dp.footer = node
@@ -269,7 +267,6 @@ htmlDocument document, document.body:
                 class ["col-sm-9"]
                 cb:
                     table = node
-
     
 
 
@@ -277,6 +274,6 @@ let r = newXMLHTTPRequest()
 let load_cb = proc(e : Event) =
     pkgMap = parseJson($r.responseText)                                                    
 r.addEventListener("load", load_cb)
-r.open("get", "rest/pkg/map")
+r.open("get", serverURL & "rest/pkg/map")
 r.setRequestHeader("Accept", "application/json")
 r.send()
diff --git a/project/plugins.sbt b/project/plugins.sbt
index fa93a14..ca3d16c 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1 +1,2 @@
 addSbtPlugin("com.earldouglas" % "xsbt-web-plugin" % "4.0.0")
+
diff --git a/src/main/java/com/oggio88/jpacrepo/service/PacmanWebService.java b/src/main/java/com/oggio88/jpacrepo/service/PacmanWebService.java
index dab3fae..eb84652 100644
--- a/src/main/java/com/oggio88/jpacrepo/service/PacmanWebService.java
+++ b/src/main/java/com/oggio88/jpacrepo/service/PacmanWebService.java
@@ -363,8 +363,10 @@ public class PacmanWebService
     @POST
     @Path("/downloadTar")
     @Produces("application/x-tar")
-    public Response downloadTar(List<String> files)
+    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
+    public Response downloadTar(@FormParam("pkgs") String formData)
     {
+        String[] files = formData.split(" ");
         for(String fname : files)
         {
             if(!ctx.getFile(fname).exists()) throw new NotFoundException(String.format("Package file '%s' does not exist", fname));