diff -u -r bitcoin/src/bitcoinrpc.cpp bitcoin-electrum/src/bitcoinrpc.cpp
--- bitcoin/src/bitcoinrpc.cpp	2011-12-28 21:23:40.844812872 +0200
+++ bitcoin-electrum/src/bitcoinrpc.cpp	2011-12-28 17:31:24.000000000 +0200
@@ -1437,6 +1437,38 @@
     return entry;
 }
 
+Value importtransaction(const Array& params, bool fHelp)
+{
+  string hexdump;
+  if (fHelp || params.size() != 1 || (hexdump=params[0].get_str()).size()&1)
+    throw runtime_error(
+            "importtransaction <hexdata>\n"
+            "Import an offline transaction to announce it into the network");
+
+  std::vector<unsigned char> rawtx;
+  for (int i=0; i<hexdump.size(); i+=2)
+    {
+      int v;
+      if (sscanf(hexdump.substr(i,2).c_str(), "%x", &v)!=1)
+	throw JSONRPCError(-4, "Error in hex data.");
+      rawtx.push_back((unsigned char)v);
+    }
+try
+  {
+    CDataStream ss(rawtx);
+    CTransaction tx;
+    ss >> tx;
+    CInv inv(MSG_TX, tx.GetHash());
+    if(! tx.AcceptToMemoryPool(true)) throw JSONRPCError(-4, "Transaction not accepted to memory pool.");
+    CDataStream msg(rawtx);
+    RelayMessage(inv, msg);
+    return tx.GetHash().GetHex();
+  }
+ catch (std::exception& e)
+   {
+     throw JSONRPCError(-4, "Exception while parsing the transaction data.");
+   }
+}
 
 Value backupwallet(const Array& params, bool fHelp)
 {
@@ -1950,7 +1982,8 @@
     make_pair("getmemorypool",          &getmemorypool),
     make_pair("listsinceblock",         &listsinceblock),
     make_pair("dumpprivkey",            &dumpprivkey),
-    make_pair("importprivkey",          &importprivkey)
+    make_pair("importprivkey",          &importprivkey),
+    make_pair("importtransaction",	&importtransaction)
 };
 map<string, rpcfn_type> mapCallTable(pCallTable, pCallTable + sizeof(pCallTable)/sizeof(pCallTable[0]));