diff --git a/src/com/jpexs/browsers/cache/ChunkedInputStream.java b/src/com/jpexs/browsers/cache/ChunkedInputStream.java
index 75aaf36a3..555094097 100644
--- a/src/com/jpexs/browsers/cache/ChunkedInputStream.java
+++ b/src/com/jpexs/browsers/cache/ChunkedInputStream.java
@@ -1,96 +1,96 @@
-/*
- *  Copyright (C) 2010-2014 JPEXS
- * 
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- * 
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- * 
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package com.jpexs.browsers.cache;
-
-import java.io.IOException;
-import java.io.InputStream;
-
-/**
- *
- * @author JPEXS
- */
-public class ChunkedInputStream extends InputStream {
-
-    private final InputStream is;
-    private int chunkPos = 0;
-    private int chunkLen = 0;
-    private boolean end = false;
-    private boolean first = true;
-
-    public ChunkedInputStream(InputStream is) {
-        this.is = is;
-    }
-
-    @Override
-    public int read() throws IOException {
-        if (end) {
-            return -1;
-        }
-        if (chunkPos >= chunkLen) {
-            if (!first) {
-                if (is.read() != '\r') {
-                    throw new IOException("Invalid chunk");
-                }
-                if (is.read() != '\n') {
-                    throw new IOException("Invalid chunk");
-                }
-            }
-            String lenStr = readLine();
-            try {
-                chunkLen = Integer.parseInt(lenStr);
-            } catch (NumberFormatException nfe) {
-                throw new IOException("Invalid chunk");
-            }
-            if (chunkLen == 0) {
-                is.read(); // \r
-                is.read(); // \n
-                end = true;
-                return -1;
-            }
-            chunkPos = 0;
-            first = false;
-        }
-
-        chunkPos++;
-        return is.read();
-    }
-
-    private String readLine() throws IOException {
-        int i;
-        boolean inr = false;
-        String ret = "";
-        while ((i = is.read()) > -1) {
-            if (inr) {
-                inr = false;
-                if (i == '\n') {
-                    break;
-                } else {
-                    ret += "\r";
-                }
-            }
-            if (i == '\r') {
-                inr = true;
-                continue;
-            }
-            ret += (char) i;
-        }
-        if (inr) {
-            ret += "\r";
-        }
-        return ret;
-    }
-}
+/*
+ *  Copyright (C) 2010-2014 JPEXS
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.jpexs.browsers.cache;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ *
+ * @author JPEXS
+ */
+public class ChunkedInputStream extends InputStream {
+
+    private final InputStream is;
+    private int chunkPos = 0;
+    private int chunkLen = 0;
+    private boolean end = false;
+    private boolean first = true;
+
+    public ChunkedInputStream(InputStream is) {
+        this.is = is;
+    }
+
+    @Override
+    public int read() throws IOException {
+        if (end) {
+            return -1;
+        }
+        if (chunkPos >= chunkLen) {
+            if (!first) {
+                if (is.read() != '\r') {
+                    throw new IOException("Invalid chunk");
+                }
+                if (is.read() != '\n') {
+                    throw new IOException("Invalid chunk");
+                }
+            }
+            String lenStr = readLine();
+            try {
+                chunkLen = Integer.parseInt(lenStr);
+            } catch (NumberFormatException nfe) {
+                throw new IOException("Invalid chunk");
+            }
+            if (chunkLen == 0) {
+                is.read(); // \r
+                is.read(); // \n
+                end = true;
+                return -1;
+            }
+            chunkPos = 0;
+            first = false;
+        }
+
+        chunkPos++;
+        return is.read();
+    }
+
+    private String readLine() throws IOException {
+        int i;
+        boolean inr = false;
+        StringBuilder ret = new StringBuilder();
+        while ((i = is.read()) > -1) {
+            if (inr) {
+                inr = false;
+                if (i == '\n') {
+                    break;
+                } else {
+                    ret.append("\r");
+                }
+            }
+            if (i == '\r') {
+                inr = true;
+                continue;
+            }
+            ret.append((char) i);
+        }
+        if (inr) {
+            ret.append("\r");
+        }
+        return ret.toString();
+    }
+}
diff --git a/src/com/jpexs/decompiler/flash/abc/avm2/AVM2Code.java b/src/com/jpexs/decompiler/flash/abc/avm2/AVM2Code.java
index a218014aa..df1c65927 100644
--- a/src/com/jpexs/decompiler/flash/abc/avm2/AVM2Code.java
+++ b/src/com/jpexs/decompiler/flash/abc/avm2/AVM2Code.java
@@ -1271,7 +1271,6 @@ public class AVM2Code implements Serializable {
             }
         }
         List<GraphTargetItem> output = new ArrayList<>();
-        String ret = "";
         int ip = start;
         //try {
         //int addr;
diff --git a/src/com/jpexs/decompiler/flash/action/model/operations/AddActionItem.java b/src/com/jpexs/decompiler/flash/action/model/operations/AddActionItem.java
index c04570612..2e1a0c64a 100644
--- a/src/com/jpexs/decompiler/flash/action/model/operations/AddActionItem.java
+++ b/src/com/jpexs/decompiler/flash/action/model/operations/AddActionItem.java
@@ -1,86 +1,85 @@
-/*
- *  Copyright (C) 2010-2014 JPEXS
- * 
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- * 
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- * 
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package com.jpexs.decompiler.flash.action.model.operations;
-
-import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
-import com.jpexs.decompiler.flash.action.Action;
-import com.jpexs.decompiler.flash.action.swf5.ActionAdd2;
-import com.jpexs.decompiler.flash.ecma.EcmaScript;
-import com.jpexs.decompiler.flash.ecma.EcmaType;
-import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
-import com.jpexs.decompiler.graph.CompilationException;
-import com.jpexs.decompiler.graph.GraphSourceItem;
-import com.jpexs.decompiler.graph.GraphTargetItem;
-import com.jpexs.decompiler.graph.SourceGenerator;
-import com.jpexs.decompiler.graph.TypeItem;
-import com.jpexs.decompiler.graph.model.BinaryOpItem;
-import com.jpexs.decompiler.graph.model.LocalData;
-import java.util.List;
-
-public class AddActionItem extends BinaryOpItem {
-
-    boolean version2;
-
-    public AddActionItem(GraphSourceItem instruction, GraphTargetItem leftSide, GraphTargetItem rightSide, boolean version2) {
-        super(instruction, PRECEDENCE_ADDITIVE, leftSide, rightSide, "+");
-        this.version2 = version2;
-    }
-
-    @Override
-    public GraphTextWriter appendTo(GraphTextWriter writer, LocalData localData) throws InterruptedException {
-        if (rightSide.getPrecedence() >= precedence) { //string + vs number +
-            String ret = "";
-            if (leftSide.getPrecedence() > precedence) {
-                writer.append("(");
-                leftSide.toString(writer, localData);
-                writer.append(")");
-            } else {
-                leftSide.toString(writer, localData);
-            }
-            writer.append(" ");
-            writer.append(operator);
-            writer.append(" ");
-            writer.append("(");
-            rightSide.toString(writer, localData);
-            return writer.append(")");
-        } else {
-            return super.appendTo(writer, localData);
-        }
-    }
-
-    @Override
-    public Object getResult() {
-        if (version2) {
-            if (EcmaScript.type(leftSide.getResult()) == EcmaType.STRING || EcmaScript.type(rightSide.getResult()) == EcmaType.STRING) {
-                return "" + leftSide.getResult() + rightSide.getResult();
-            }
-            return EcmaScript.toNumber(leftSide.getResult()) + EcmaScript.toNumber(rightSide.getResult());
-        } else {
-            return Action.toFloatPoint(leftSide.getResult()) + Action.toFloatPoint(rightSide.getResult());
-        }
-    }
-
-    @Override
-    public List<GraphSourceItem> toSource(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
-        return toSourceMerge(localData, generator, leftSide, rightSide, new ActionAdd2());
-    }
-
-    @Override
-    public GraphTargetItem returnType() {
-        return TypeItem.BOOLEAN;
-    }
-}
+/*
+ *  Copyright (C) 2010-2014 JPEXS
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.jpexs.decompiler.flash.action.model.operations;
+
+import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
+import com.jpexs.decompiler.flash.action.Action;
+import com.jpexs.decompiler.flash.action.swf5.ActionAdd2;
+import com.jpexs.decompiler.flash.ecma.EcmaScript;
+import com.jpexs.decompiler.flash.ecma.EcmaType;
+import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
+import com.jpexs.decompiler.graph.CompilationException;
+import com.jpexs.decompiler.graph.GraphSourceItem;
+import com.jpexs.decompiler.graph.GraphTargetItem;
+import com.jpexs.decompiler.graph.SourceGenerator;
+import com.jpexs.decompiler.graph.TypeItem;
+import com.jpexs.decompiler.graph.model.BinaryOpItem;
+import com.jpexs.decompiler.graph.model.LocalData;
+import java.util.List;
+
+public class AddActionItem extends BinaryOpItem {
+
+    boolean version2;
+
+    public AddActionItem(GraphSourceItem instruction, GraphTargetItem leftSide, GraphTargetItem rightSide, boolean version2) {
+        super(instruction, PRECEDENCE_ADDITIVE, leftSide, rightSide, "+");
+        this.version2 = version2;
+    }
+
+    @Override
+    public GraphTextWriter appendTo(GraphTextWriter writer, LocalData localData) throws InterruptedException {
+        if (rightSide.getPrecedence() >= precedence) { //string + vs number +
+            if (leftSide.getPrecedence() > precedence) {
+                writer.append("(");
+                leftSide.toString(writer, localData);
+                writer.append(")");
+            } else {
+                leftSide.toString(writer, localData);
+            }
+            writer.append(" ");
+            writer.append(operator);
+            writer.append(" ");
+            writer.append("(");
+            rightSide.toString(writer, localData);
+            return writer.append(")");
+        } else {
+            return super.appendTo(writer, localData);
+        }
+    }
+
+    @Override
+    public Object getResult() {
+        if (version2) {
+            if (EcmaScript.type(leftSide.getResult()) == EcmaType.STRING || EcmaScript.type(rightSide.getResult()) == EcmaType.STRING) {
+                return "" + leftSide.getResult() + rightSide.getResult();
+            }
+            return EcmaScript.toNumber(leftSide.getResult()) + EcmaScript.toNumber(rightSide.getResult());
+        } else {
+            return Action.toFloatPoint(leftSide.getResult()) + Action.toFloatPoint(rightSide.getResult());
+        }
+    }
+
+    @Override
+    public List<GraphSourceItem> toSource(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
+        return toSourceMerge(localData, generator, leftSide, rightSide, new ActionAdd2());
+    }
+
+    @Override
+    public GraphTargetItem returnType() {
+        return TypeItem.BOOLEAN;
+    }
+}
diff --git a/src/com/jpexs/decompiler/flash/action/swf4/ActionGetProperty.java b/src/com/jpexs/decompiler/flash/action/swf4/ActionGetProperty.java
index 4da079478..aadc78bb3 100644
--- a/src/com/jpexs/decompiler/flash/action/swf4/ActionGetProperty.java
+++ b/src/com/jpexs/decompiler/flash/action/swf4/ActionGetProperty.java
@@ -41,12 +41,13 @@ public class ActionGetProperty extends Action {
         GraphTargetItem target = stack.pop();
         int indexInt = 0;
         if (index instanceof DirectValueActionItem) {
-            if (((DirectValueActionItem) index).value instanceof Long) {
-                indexInt = (int) (long) (Long) ((DirectValueActionItem) index).value;
-            } else if (((DirectValueActionItem) index).value instanceof Double) {
-                indexInt = (int) Math.round((Double) ((DirectValueActionItem) index).value);
-            } else if (((DirectValueActionItem) index).value instanceof Float) {
-                indexInt = (int) Math.round((Float) ((DirectValueActionItem) index).value);
+            Object value = ((DirectValueActionItem) index).value; 
+            if (value instanceof Long) {
+                indexInt = (int) (long) (Long) value;
+            } else if (value instanceof Double) {
+                indexInt = (int) Math.round((Double) value);
+            } else if (value instanceof Float) {
+                indexInt = (int) Math.round((Float) value);
             }
         }
         stack.push(new GetPropertyActionItem(this, target, indexInt));
diff --git a/src/com/jpexs/decompiler/flash/action/swf4/ActionPush.java b/src/com/jpexs/decompiler/flash/action/swf4/ActionPush.java
index fe3e81b91..0a4c71f5d 100644
--- a/src/com/jpexs/decompiler/flash/action/swf4/ActionPush.java
+++ b/src/com/jpexs/decompiler/flash/action/swf4/ActionPush.java
@@ -255,31 +255,31 @@ public class ActionPush extends Action {
     }
 
     public String toStringNoQ(int i) {
-        String ret = "";
+        String ret;
         if (values.get(i) instanceof ConstantIndex) {
             ((ConstantIndex) values.get(i)).constantPool = constantPool;
-            ret += ((ConstantIndex) values.get(i)).toStringNoQ();
+            ret = ((ConstantIndex) values.get(i)).toStringNoQ();
         } else if (values.get(i) instanceof String) {
-            ret += (String) values.get(i);
+            ret = (String) values.get(i);
         } else if (values.get(i) instanceof RegisterNumber) {
-            ret += ((RegisterNumber) values.get(i)).toStringNoName();
+            ret = ((RegisterNumber) values.get(i)).toStringNoName();
         } else {
-            ret += values.get(i).toString();
+            ret = values.get(i).toString();
         }
         return ret;
     }
 
     public String toString(int i) {
-        String ret = "";
+        String ret;
         if (values.get(i) instanceof ConstantIndex) {
             ((ConstantIndex) values.get(i)).constantPool = constantPool;
-            ret += ((ConstantIndex) values.get(i)).toString();
+            ret = ((ConstantIndex) values.get(i)).toString();
         } else if (values.get(i) instanceof String) {
-            ret += "\"" + Helper.escapeString((String) values.get(i)) + "\"";
+            ret = "\"" + Helper.escapeString((String) values.get(i)) + "\"";
         } else if (values.get(i) instanceof RegisterNumber) {
-            ret += ((RegisterNumber) values.get(i)).toStringNoName();
+            ret = ((RegisterNumber) values.get(i)).toStringNoName();
         } else {
-            ret += values.get(i).toString();
+            ret = values.get(i).toString();
         }
         return ret;
     }
diff --git a/src/com/jpexs/decompiler/flash/action/swf5/ActionConstantPool.java b/src/com/jpexs/decompiler/flash/action/swf5/ActionConstantPool.java
index 75af5297c..aebe71716 100644
--- a/src/com/jpexs/decompiler/flash/action/swf5/ActionConstantPool.java
+++ b/src/com/jpexs/decompiler/flash/action/swf5/ActionConstantPool.java
@@ -79,14 +79,12 @@ public class ActionConstantPool extends Action {
 
     @Override
     public String toString() {
-        String ret = "";
+        StringBuilder ret = new StringBuilder();
+        ret.append("ConstantPool");
         for (int i = 0; i < constantPool.size(); i++) {
-            if (i > 0) {
-                ret += " ";
-            }
-            ret += "\"" + Helper.escapeString(constantPool.get(i)) + "\"";
+            ret.append("\"").append(Helper.escapeString(constantPool.get(i))).append("\"");
         }
-        return "ConstantPool " + ret;
+        return ret.toString();
     }
 
     @Override
diff --git a/src/com/jpexs/decompiler/flash/action/swf5/ActionDefineFunction.java b/src/com/jpexs/decompiler/flash/action/swf5/ActionDefineFunction.java
index 095ab6e1e..b88a37433 100644
--- a/src/com/jpexs/decompiler/flash/action/swf5/ActionDefineFunction.java
+++ b/src/com/jpexs/decompiler/flash/action/swf5/ActionDefineFunction.java
@@ -46,7 +46,6 @@ public class ActionDefineFunction extends Action implements GraphSourceItemConta
     public int codeSize;
     private int version;
     public List<String> constantPool;
-    private long hdrSize;
 
     public ActionDefineFunction(String functionName, List<String> paramNames, int codeSize, int version) {
         super(0x9B, 0);
@@ -59,21 +58,12 @@ public class ActionDefineFunction extends Action implements GraphSourceItemConta
     public ActionDefineFunction(int actionLength, SWFInputStream sis, int version) throws IOException {
         super(0x9B, actionLength);
         this.version = version;
-        //byte[] data=sis.readBytes(actionLength);
-        //sis=new SWFInputStream(new ByteArrayInputStream(data),version);
-        long startPos = sis.getPos();
         functionName = sis.readString("functionName");
         int numParams = sis.readUI16("numParams");
         for (int i = 0; i < numParams; i++) {
             paramNames.add(sis.readString("paramName"));
         }
         codeSize = sis.readUI16("codeSize");
-        long endPos = sis.getPos();
-        //code = new ArrayList<Action>();
-        hdrSize = endPos - startPos;
-        //int posBef2 = (int) rri.getPos();
-        //code = sis.readActionList(rri.getPos(), getFileAddress() + hdrSize, rri, codeSize);
-        //rri.setPos(posBef2 + codeSize);
     }
 
     public ActionDefineFunction(FlasmLexer lexer) throws IOException, ParseException {
@@ -88,22 +78,7 @@ public class ActionDefineFunction extends Action implements GraphSourceItemConta
 
     @Override
     public long getHeaderSize() {
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        SWFOutputStream sos = new SWFOutputStream(baos, version);
-        ByteArrayOutputStream baos2 = new ByteArrayOutputStream();
-        try {
-            sos.writeString(functionName);
-            sos.writeUI16(paramNames.size());
-            for (String s : paramNames) {
-                sos.writeString(s);
-            }
-            sos.writeUI16(0);
-            sos.close();
-
-            baos2.write(surroundWithAction(baos.toByteArray(), version));
-        } catch (IOException e) {
-        }
-        return baos2.toByteArray().length;
+        return getBytes(version).length;
     }
 
     @Override
@@ -117,34 +92,15 @@ public class ActionDefineFunction extends Action implements GraphSourceItemConta
             for (String s : paramNames) {
                 sos.writeString(s);
             }
-            //byte[] codeBytes = Action.actionsToBytes(code, false, version);
-            sos.writeUI16(codeSize); //codeBytes.length);
+            sos.writeUI16(codeSize);
             sos.close();
 
             baos2.write(surroundWithAction(baos.toByteArray(), version));
-            //baos2.write(codeBytes);
         } catch (IOException e) {
         }
         return baos2.toByteArray();
     }
 
-    private long getPreLen(int version) {
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        SWFOutputStream sos = new SWFOutputStream(baos, version);
-        try {
-            sos.writeString(functionName);
-            sos.writeUI16(paramNames.size());
-            for (String s : paramNames) {
-                sos.writeString(s);
-            }
-            sos.writeUI16(0);
-            sos.close();
-        } catch (IOException e) {
-        }
-
-        return surroundWithAction(baos.toByteArray(), version).length;
-    }
-
     @Override
     public String getASMSource(ActionList container, List<Long> knownAddreses, ScriptExportMode exportMode) {
         StringBuilder paramStr = new StringBuilder();
diff --git a/src/com/jpexs/decompiler/flash/action/swf5/ActionWith.java b/src/com/jpexs/decompiler/flash/action/swf5/ActionWith.java
index 459650a7c..d983e2190 100644
--- a/src/com/jpexs/decompiler/flash/action/swf5/ActionWith.java
+++ b/src/com/jpexs/decompiler/flash/action/swf5/ActionWith.java
@@ -66,7 +66,7 @@ public class ActionWith extends Action implements GraphSourceItemContainer {
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
         SWFOutputStream sos = new SWFOutputStream(baos, version);
         try {
-            sos.writeUI16(codeSize);//codeBytes.length);
+            sos.writeUI16(codeSize);
             sos.close();
             baos2.write(surroundWithAction(baos.toByteArray(), version));
         } catch (IOException e) {
diff --git a/src/com/jpexs/decompiler/flash/action/swf7/ActionDefineFunction2.java b/src/com/jpexs/decompiler/flash/action/swf7/ActionDefineFunction2.java
index 6f27138ec..86cd4ef16 100644
--- a/src/com/jpexs/decompiler/flash/action/swf7/ActionDefineFunction2.java
+++ b/src/com/jpexs/decompiler/flash/action/swf7/ActionDefineFunction2.java
@@ -55,10 +55,8 @@ public class ActionDefineFunction2 extends Action implements GraphSourceItemCont
     public boolean preloadGlobalFlag;
     public int registerCount;
     public int codeSize;
-    //public List<Action> code;
     private int version;
     public List<String> constantPool;
-    private long hdrSize;
 
     public ActionDefineFunction2(String functionName, boolean preloadParentFlag, boolean preloadRootFlag, boolean suppressSuperFlag, boolean preloadSuperFlag, boolean suppressArgumentsFlag, boolean preloadArgumentsFlag, boolean suppressThisFlag, boolean preloadThisFlag, boolean preloadGlobalFlag, int registerCount, int codeSize, int version, List<String> paramNames, List<Integer> paramRegisters) {
         super(0x8E, 0);
@@ -81,7 +79,6 @@ public class ActionDefineFunction2 extends Action implements GraphSourceItemCont
 
     public ActionDefineFunction2(int actionLength, SWFInputStream sis, int version) throws IOException {
         super(0x8E, actionLength);
-        long posBef = sis.getPos();
         this.version = version;
         functionName = sis.readString("functionName");
         int numParams = sis.readUI16("numParams");
@@ -101,12 +98,6 @@ public class ActionDefineFunction2 extends Action implements GraphSourceItemCont
             paramNames.add(sis.readString("paramName"));
         }
         codeSize = sis.readUI16("codeSize");
-        long posAfter = sis.getPos();
-        hdrSize = posAfter - posBef;
-        //code = new ArrayList<Action>();
-        //int posBef2 = (int) rri.getPos();
-        //code = sis.readActionList(rri.getPos(), getFileAddress() + hdrSize, rri, codeSize);
-        //rri.setPos(posBef2 + codeSize);
     }
 
     public ActionDefineFunction2(FlasmLexer lexer) throws IOException, ParseException {
@@ -132,34 +123,7 @@ public class ActionDefineFunction2 extends Action implements GraphSourceItemCont
 
     @Override
     public long getHeaderSize() {
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        SWFOutputStream sos = new SWFOutputStream(baos, version);
-        ByteArrayOutputStream baos2 = new ByteArrayOutputStream();
-        try {
-            sos.writeString(functionName);
-            sos.writeUI16(paramNames.size());
-            sos.writeUI8(registerCount);
-            sos.writeUB(1, preloadParentFlag ? 1 : 0);
-            sos.writeUB(1, preloadRootFlag ? 1 : 0);
-            sos.writeUB(1, suppressSuperFlag ? 1 : 0);
-            sos.writeUB(1, preloadSuperFlag ? 1 : 0);
-            sos.writeUB(1, suppressArgumentsFlag ? 1 : 0);
-            sos.writeUB(1, preloadArgumentsFlag ? 1 : 0);
-            sos.writeUB(1, suppressThisFlag ? 1 : 0);
-            sos.writeUB(1, preloadThisFlag ? 1 : 0);
-            sos.writeUB(7, reserved);
-            sos.writeUB(1, preloadGlobalFlag ? 1 : 0);
-            for (int i = 0; i < paramNames.size(); i++) {
-                sos.writeUI8(paramRegisters.get(i));
-
-                sos.writeString(paramNames.get(i));
-            }
-            sos.writeUI16(0);
-            sos.close();
-            baos2.write(surroundWithAction(baos.toByteArray(), version));
-        } catch (IOException e) {
-        }
-        return baos2.toByteArray().length;
+        return getBytes(version).length;
     }
 
     @Override
@@ -179,52 +143,21 @@ public class ActionDefineFunction2 extends Action implements GraphSourceItemCont
             sos.writeUB(1, preloadArgumentsFlag ? 1 : 0);
             sos.writeUB(1, suppressThisFlag ? 1 : 0);
             sos.writeUB(1, preloadThisFlag ? 1 : 0);
-            sos.writeUB(7, 0);
+            sos.writeUB(7, reserved);
             sos.writeUB(1, preloadGlobalFlag ? 1 : 0);
             for (int i = 0; i < paramNames.size(); i++) {
                 sos.writeUI8(paramRegisters.get(i));
                 sos.writeString(paramNames.get(i));
             }
-            //byte[] codeBytes = Action.actionsToBytes(code, false, version);
-            sos.writeUI16(codeSize);//codeBytes.length);
+            sos.writeUI16(codeSize);
             sos.close();
 
             baos2.write(surroundWithAction(baos.toByteArray(), version));
-            //baos2.write(codeBytes);
         } catch (IOException e) {
         }
         return baos2.toByteArray();
     }
 
-    private long getPreLen(int version) {
-
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        SWFOutputStream sos = new SWFOutputStream(baos, version);
-        try {
-            sos.writeString(functionName);
-            sos.writeUI16(paramNames.size());
-            sos.writeUI8(registerCount);
-            sos.writeUB(1, preloadParentFlag ? 1 : 0);
-            sos.writeUB(1, preloadRootFlag ? 1 : 0);
-            sos.writeUB(1, suppressSuperFlag ? 1 : 0);
-            sos.writeUB(1, preloadSuperFlag ? 1 : 0);
-            sos.writeUB(1, suppressArgumentsFlag ? 1 : 0);
-            sos.writeUB(1, preloadArgumentsFlag ? 1 : 0);
-            sos.writeUB(1, suppressThisFlag ? 1 : 0);
-            sos.writeUB(1, preloadThisFlag ? 1 : 0);
-            sos.writeUB(7, 0);
-            sos.writeUB(1, preloadGlobalFlag ? 1 : 0);
-            for (int i = 0; i < paramNames.size(); i++) {
-                sos.writeUI8(paramRegisters.get(i));
-                sos.writeString(paramNames.get(i));
-            }
-            sos.writeUI16(0);
-            sos.close();
-        } catch (IOException e) {
-        }
-        return surroundWithAction(baos.toByteArray(), version).length;
-    }
-
     @Override
     public GraphTextWriter getASMSourceReplaced(ActionList container, List<Long> knownAddreses, ScriptExportMode exportMode, GraphTextWriter writer) {
         List<String> oldParamNames = paramNames;
diff --git a/src/com/jpexs/decompiler/flash/action/swf7/ActionTry.java b/src/com/jpexs/decompiler/flash/action/swf7/ActionTry.java
index 8345e8bfa..7e67ff59a 100644
--- a/src/com/jpexs/decompiler/flash/action/swf7/ActionTry.java
+++ b/src/com/jpexs/decompiler/flash/action/swf7/ActionTry.java
@@ -149,44 +149,23 @@ public class ActionTry extends Action implements GraphSourceItemContainer {
 
     @Override
     public String getASMSource(ActionList container, List<Long> knownAddreses, ScriptExportMode exportMode) {
-        String ret = "";
-        ret += "Try ";
+        StringBuilder ret = new StringBuilder();
+        ret.append("Try ");
         if (catchBlockFlag) {
             if (catchInRegisterFlag) {
-                ret += "register" + catchRegister;
+                ret.append("register").append(catchRegister);
             } else {
-                ret += "\"" + Helper.escapeString(catchName) + "\"";
+                ret.append("\"").append(Helper.escapeString(catchName)).append("\"");
             }
-            ret += " ";
+            ret.append(" ");
         }
-        ret += "{";
-        return ret;
+        ret.append("{");
+        return ret.toString();
     }
 
     @Override
     public long getHeaderSize() {
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        SWFOutputStream sos = new SWFOutputStream(baos, version);
-        try {
-            sos.writeUB(5, reserved);
-            sos.writeUB(1, catchInRegisterFlag ? 1 : 0);
-            sos.writeUB(1, finallyBlockFlag ? 1 : 0);
-            sos.writeUB(1, catchBlockFlag ? 1 : 0);
-            sos.writeUI16((int) trySize);
-            sos.writeUI16((int) catchSize);
-            sos.writeUI16((int) finallySize);
-            if (catchInRegisterFlag) {
-                sos.writeUI8(catchRegister);
-            } else {
-                sos.writeString(catchName == null ? "" : catchName);
-            }
-            /*sos.write(tryBodyBytes);
-             sos.write(catchBodyBytes);
-             sos.write(finallyBodyBytes);*/
-            sos.close();
-        } catch (IOException e) {
-        }
-        return surroundWithAction(baos.toByteArray(), version).length;
+        return getBytes(version).length;
     }
 
     public long getTrySize() {