diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 7e87d3d..e3f5a97 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -5,12 +5,7 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="6b925d8f-3741-4302-aa30-691568703891" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/pagina/datosdelaobra.pdf" beforeDir="false" afterPath="$PROJECT_DIR$/doc/descargas/datosdelaobra.pdf" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pagina/formatodictamen.pdf" beforeDir="false" afterPath="$PROJECT_DIR$/doc/descargas/formatodictamen.pdf" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pagina/libro.php" beforeDir="false" afterPath="$PROJECT_DIR$/pagina/libro.php" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pagina/lineamiento.html" beforeDir="false" afterPath="$PROJECT_DIR$/pagina/lineamiento.html" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pagina/resultado.php" beforeDir="false" afterPath="$PROJECT_DIR$/pagina/resultado.php" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pagina/sinresultado.php" beforeDir="false" afterPath="$PROJECT_DIR$/pagina/sinresultado.php" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/componentes/header.php" beforeDir="false" afterPath="$PROJECT_DIR$/componentes/header.php" afterDir="false" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
@@ -66,11 +61,20 @@
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="true">
+      <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/pagina/sinresultado.php">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="441">
-              <caret line="118" column="24" selection-start-line="118" selection-start-column="24" selection-end-line="118" selection-end-column="24" />
+            <state relative-caret-position="191">
+              <caret line="42" column="24" selection-start-line="42" selection-start-column="24" selection-end-line="53" selection-end-column="30" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/componentes/header.php">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="638">
+              <caret line="58" column="30" selection-start-line="58" selection-start-column="30" selection-end-line="58" selection-end-column="30" />
             </state>
           </provider>
         </entry>
@@ -176,7 +180,6 @@
         <option value="$PROJECT_DIR$/pagina/lineamientos.html" />
         <option value="$PROJECT_DIR$/componentes/novedades.php" />
         <option value="$PROJECT_DIR$/componentes/similares.php" />
-        <option value="$PROJECT_DIR$/componentes/header.php" />
         <option value="$PROJECT_DIR$/sql/base.sql" />
         <option value="$PROJECT_DIR$/componentes/footer.php" />
         <option value="$PROJECT_DIR$/pagina/lineamiento.html" />
@@ -186,6 +189,7 @@
         <option value="$PROJECT_DIR$/pagina/libro.php" />
         <option value="$PROJECT_DIR$/pagina/resultado.php" />
         <option value="$PROJECT_DIR$/pagina/sinresultado.php" />
+        <option value="$PROJECT_DIR$/componentes/header.php" />
       </list>
     </option>
   </component>
@@ -207,6 +211,11 @@
               <item name="portal_editorial" type="b2602c69:ProjectViewProjectNode" />
               <item name="portal_editorial" type="462c0819:PsiDirectoryNode" />
             </path>
+            <path>
+              <item name="portal_editorial" type="b2602c69:ProjectViewProjectNode" />
+              <item name="portal_editorial" type="462c0819:PsiDirectoryNode" />
+              <item name="componentes" type="462c0819:PsiDirectoryNode" />
+            </path>
             <path>
               <item name="portal_editorial" type="b2602c69:ProjectViewProjectNode" />
               <item name="portal_editorial" type="462c0819:PsiDirectoryNode" />
@@ -317,12 +326,12 @@
       <workItem from="1554314706171" duration="25357000" />
       <workItem from="1554410351945" duration="2064000" />
       <workItem from="1554413543234" duration="1896000" />
-      <workItem from="1554415709695" duration="3191000" />
+      <workItem from="1554415709695" duration="3270000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="260643000" />
+    <option name="totallyTimeSpent" value="260722000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="1358" y="-8" width="1296" height="1010" extended-state="6" />
@@ -515,13 +524,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/componentes/header.php">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="198">
-          <caret line="9" selection-start-line="9" selection-end-line="11" selection-end-column="62" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/componentes/footer.php">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="198">
@@ -580,8 +582,15 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/pagina/sinresultado.php">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="441">
-          <caret line="118" column="24" selection-start-line="118" selection-start-column="24" selection-end-line="118" selection-end-column="24" />
+        <state relative-caret-position="191">
+          <caret line="42" column="24" selection-start-line="42" selection-start-column="24" selection-end-line="53" selection-end-column="30" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/componentes/header.php">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="638">
+          <caret line="58" column="30" selection-start-line="58" selection-start-column="30" selection-end-line="58" selection-end-column="30" />
         </state>
       </provider>
     </entry>
diff --git a/componentes/header.php b/componentes/header.php
index eef2f46..e83157e 100644
--- a/componentes/header.php
+++ b/componentes/header.php
@@ -47,15 +47,16 @@ include ('../funciones/menu.php')
                         </a>
                         <div class="dropdown-menu" aria-labelledby="navbarDropdown">
                             <!-- <a class="dropdown-item" href="">Ciencias Juridicas</a>-->
+                            <a class="dropdown-item" href="../pagina/categoria.php?id=Ciencias Socioeconómicas">Ciencias Socioeconómicas</a>
                             <!-- <a class="dropdown-item" href="">Diseño y Edificación</a>-->
                             <!-- <a class="dropdown-item" href="">Diulgación Científica</a>-->
                             <!-- <a class="dropdown-item" href="">Enseñanza de Idiomas</a>-->
-                            <!-- <a class="dropdown-item" href="">Estudios de Posgrado</a>-->
-                             <a class="dropdown-item" href="pagina/categoria.php?cat=Humanidades">Humanidades</a>
-                           <!--  <a class="dropdown-item" href="">Investigación Aplicada y Multidiciplinaria</a> -->
-                             <a class="dropdown-item" href="pagina/categoria.php?cat=Matematicas">Matemáticas e Ingeniería</a>
-                           <!--  <a class="dropdown-item" href="">Universidad Abierta y Educación a Dsitancia</a>-->
-                         </div>
+                            <a class="dropdown-item" href="../pagina/categoria.php?id=Posgrado">Estudios de Posgrado</a>
+                            <a class="dropdown-item" href="../pagina/categoria.php?id=Humanidades">Humanidades</a>
+                            <!--  <a class="dropdown-item" href="">Investigación Aplicada y Multidiciplinaria</a> -->
+                            <a class="dropdown-item" href="../pagina/categoria.php?id=Matematicas">Matemáticas e Ingeniería</a>
+                            <!--  <a class="dropdown-item" href="">Universidad Abierta y Educación a Dsitancia</a>-->
+                        </div>
                      </li>
                      <li class="nav-item dropdown">
                          <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">