diff --git a/.gitignore b/.gitignore
index 8571baa..4db8769 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,2 @@
 nbproject
-tmp/*
 .DS_Store
-img.data/*
\ No newline at end of file
diff --git a/Mantenimiento.php b/Mantenimiento.php
index 0d893e0..4a0e099 100644
--- a/Mantenimiento.php
+++ b/Mantenimiento.php
@@ -285,7 +285,7 @@ class Mantenimiento {
         $valor = isset($this->cadenaBusqueda) ? 'value="' . $this->cadenaBusqueda . '"' : '';
         $salida = '<form name="busqueda" method="POST"><div class="col-xs-6 col-sm-4 col-md-6 col-lg-6"><div class="input-group">
                 <input type="text" name="buscar" placeholder="Descripci&oacute;n" class="form-control" ' . $valor . '>
-                <span class="input-group-btn"><button class="btn btn-primary" type="button">Buscar</button>
+                <span class="input-group-btn"><button class="btn btn-primary" type="submit"><span class="glyphicon glyphicon-search"></span></button>
                 </span></div></div></form>';
         $salida .= '<button class="btn btn-info pull-right" type="button">P&aacute;gina <span class="badge">'
                 . $pagina . '</span></button>';
diff --git a/img.data/.gitignore b/img.data/.gitignore
new file mode 100644
index 0000000..76bedae
--- /dev/null
+++ b/img.data/.gitignore
@@ -0,0 +1,5 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore
+
diff --git a/tmp/.gitignore b/tmp/.gitignore
new file mode 100644
index 0000000..76bedae
--- /dev/null
+++ b/tmp/.gitignore
@@ -0,0 +1,5 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore
+