diff --git a/sites/all/modules/gui/materiobasemod/materio_search_api.module b/sites/all/modules/gui/materiobasemod/materio_search_api.module
index 381d8ee9..d28e6e9a 100755
--- a/sites/all/modules/gui/materiobasemod/materio_search_api.module
+++ b/sites/all/modules/gui/materiobasemod/materio_search_api.module
@@ -736,21 +736,50 @@ function materio_search_api_advanced_search_form($form, &$form_state){
   // dsm($form, 'form');
   // global $user;
   // $form = array();
+
+  // TODO: get vid from settings
+  $vid = 15; // onthologie
+  $voc = taxonomy_vocabulary_load($vid);
+  $voc_machinename = $voc->machine_name;
+  // dsm($voc, "voc");
+
   $values = $form_state['values'];
 
-  // add a back to search/base home bouton if on explore/foo
   $args = arg();
   $path = array_shift($args);
-  if ($path == 'explore' || $path == 'bookmarks' || $path == 'lists' ) {
-    $link = l('<i class="fi-home"></i>', base_path().'actuality', array(
-      'html'=>true,
-      'attributes'=>array('class'=>'back-search-home')
-    ));
-    $form['actu'] = array(
-      '#type' => 'markup',
-      '#markup' => $link,
-    );
+
+  // TODO: get the keywords from args and reconstruct the filter lines with default values
+  // dsm($args, "args");
+  $keywords = explode("+", $args[0]);
+  // dsm($keywords, 'keywords');
+
+  $default_values = array();
+  foreach ($keywords as $key => $value) {
+    $name = str_replace('"', '', $value);
+    //Get the term
+    $terms = taxonomy_get_term_by_name($name, $voc_machinename);
+    $term = array_shift($terms);
+    // dsm($term, $term->tid.' : '.$term->name);
+    // get parents
+    if(isset($term->tid)){
+      $parents = taxonomy_get_parents_all($term->tid);
+      // dsm($parents, 'parents');
+      // build default values
+      for ($p=count($parents)-1; $p >=0 ; $p--) {
+        $default_values[$key][] = $parents[$p]->tid;
+      }
+    }
   }
+  // dsm($default_values, 'default_values');
+
+
+  // define default number of lines, 1 or more if some were already added
+  $form_state['filterlines'] =
+    isset($form_state['filterlines'])
+    ? $form_state['filterlines']
+    : count($default_values)
+      ? count($default_values)
+      : 1;
 
   // filters form container
   $form['filters'] = array(
@@ -759,12 +788,6 @@ function materio_search_api_advanced_search_form($form, &$form_state){
     '#suffix' => '</div>',
   );
 
-  // define default number of lines, 1 or more if some were already added
-  $form_state['filterlines'] =
-    isset($form_state['filterlines'])
-    ? $form_state['filterlines']
-    : 1;
-
   $trigger = FALSE;
   if (!empty($form_state['triggering_element']['#name'])) {
     $trigger = $form_state['triggering_element'];
@@ -781,13 +804,22 @@ function materio_search_api_advanced_search_form($form, &$form_state){
     }
 
     // remove a line if needed
-
     if(strpos($trigger['#name'], 'rm-filter-') === 0){
       // $form_state['filterlines'] = $form_state['filterlines']+1;
       $rmline = $trigger['#return_value'];
     }
   }
 
+  // TODO: show result count live
+  // TODO: filter next select form item
+
+  // build first level taxonomy tree and select options
+  $taxotree = taxonomy_get_tree($vid, 0, 1, false);
+  $level_0_ops = array(0=>t("Choose a filter"));
+  foreach ($taxotree as $index => $term) {
+    $level_0_ops[$term->tid] = t($term->name);
+  }
+
   // build filters lines (ajax enabled)
   for ($l=0; $l < $form_state['filterlines']; $l++) {
 
@@ -814,18 +846,22 @@ function materio_search_api_advanced_search_form($form, &$form_state){
       )
     );
 
-    // build first level taxonomy tree and select options
-    $taxotree = taxonomy_get_tree(15, 0, 1, false);
-    $level_0_ops = array(0=>t("Choose a filter"));
-    foreach ($taxotree as $index => $term) {
-      $level_0_ops[$term->tid] = t($term->name);
+    // get the default value
+    // from from_state values if ajax
+    // or from url args
+    // or 0
+    if(isset($values['filter-'.$l.'-0']) && $values['filter-'.$l.'-0']){
+      $default = $values['filter-'.$l.'-0'];
+    }else{
+      $default = isset($default_values[$l][0]) ? $default_values[$l][0] : 0;
     }
+
     // form select element for first level
     $form['filters']['filterline-'.$ll]['filter-'.$ll.'-0'] = array(
       '#type' => 'select',
       '#options' => $level_0_ops,
       '#name' => 'filter-'.$ll.'-0',
-      '#default_value' => 0,
+      '#default_value' => $default,
       '#ajax' => array(
         'callback' => 'materio_search_api_advanced_search_select_callback',
         'wrapper' => 'advancedsearch-filters',
@@ -833,24 +869,30 @@ function materio_search_api_advanced_search_form($form, &$form_state){
     );
 
     // add level 1 filter if level 0 chosen
-    if(isset($values['filter-'.$l.'-0'])
-      && $values['filter-'.$l.'-0']
-      ){
-        $default = $values['filter-'.$l.'-0'];
-        $form['filters']['filterline-'.$ll]['filter-'.$ll.'-0']['#default_value'] = $default;
+    if($default){
+        // $default = $values['filter-'.$l.'-0'];
+        // $form['filters']['filterline-'.$ll]['filter-'.$ll.'-0']['#default_value'] = $default;
 
         // build second level taxonomy tree and select options
-        $taxotree1 = taxonomy_get_tree(15, $default, 1, false);
+        $taxotree1 = taxonomy_get_tree($vid, $default, 1, false);
         $level_1_ops = array(0=>t("Choose a filter"));
         foreach ($taxotree1 as $index => $term) {
           $level_1_ops[$term->tid] = t($term->name);
         }
+
+        if(isset($values['filter-'.$l.'-1']) && $values['filter-'.$l.'-1']){
+          $default = $values['filter-'.$l.'-1'];
+        }else{
+          $default = isset($default_values[$l][1]) ? $default_values[$l][1] : 0;
+        }
+        // dsm($default, "default 1");
+
         // form select element for second level
         $form['filters']['filterline-'.$ll]['filter-'.$ll.'-1'] = array(
           '#type' => 'select',
           '#options' => $level_1_ops,
           '#name' => 'filter-'.$ll.'-1',
-          '#default_value' => 0,
+          '#default_value' => $default,
           '#ajax' => array(
             'callback' => 'materio_search_api_advanced_search_select_callback',
             'wrapper' => 'advancedsearch-filters',
@@ -858,15 +900,17 @@ function materio_search_api_advanced_search_form($form, &$form_state){
         );
 
         // add level 2 filter if level 1 chosen
-        if(isset($values['filter-'.$l.'-1'])
-          && $values['filter-'.$l.'-1']
-          ){
-            $default = $values['filter-'.$l.'-1'];
-            $form['filters']['filterline-'.$ll]['filter-'.$ll.'-1']['#default_value'] = $default;
+        if($default){
+            // $default = $values['filter-'.$l.'-1'];
+            // $form['filters']['filterline-'.$ll]['filter-'.$ll.'-1']['#default_value'] = $default;
+
 
             // build second level taxonomy tree and select options
-            $taxotree2 = taxonomy_get_tree(15, $default, 1, false);
+            $taxotree2 = taxonomy_get_tree($vid, $default, 1, false);
             if(count($taxotree2)){
+              $default = isset($default_values[$l][2]) ? $default_values[$l][2] : 0;
+              // dsm($default, "default 2");
+
               $level_2_ops = array(0=>t("Choose a filter"));
               foreach ($taxotree2 as $index => $term) {
                 $level_2_ops[$term->tid] = t($term->name);
@@ -876,7 +920,7 @@ function materio_search_api_advanced_search_form($form, &$form_state){
                 '#type' => 'select',
                 '#options' => $level_2_ops,
                 '#name' => 'filter-'.$ll.'-2',
-                '#default_value' => 0,
+                '#default_value' => $default,
               );
             }
         }
@@ -904,7 +948,6 @@ function materio_search_api_advanced_search_form($form, &$form_state){
     $form_state['filterlines'] = $form_state['filterlines']-1;
   }
 
-
   // button to add a new line of criterias
   $form['filters']['addfilters'] = array(
     '#type' => 'image_button',
@@ -917,10 +960,29 @@ function materio_search_api_advanced_search_form($form, &$form_state){
       'wrapper' => 'advancedsearch-filters',
     ),
     '#executes_submit_callback' => false,
+    '#attributes' => array(
+      'class'=>array('add-filter')
+    ),
   );
 
+  // filters form container
+  $form['rightcol'] = array(
+    '#type' => 'container',
+  );
+  // add a back to search/base home bouton if on explore/foo
+  if ($path == 'explore' || $path == 'bookmarks' || $path == 'lists' ) {
+    $link = l('<i class="fi-home"></i>', base_path().'actuality', array(
+      'html'=>true,
+      'attributes'=>array('class'=>'back-search-home')
+    ));
+    $form['rightcol']['actu'] = array(
+      '#type' => 'markup',
+      '#markup' => $link,
+    );
+  }
+
   // submit the search
-  $form['search'] = array(
+  $form['rightcol']['search'] = array(
     '#type' => 'image_button',
     '#src' => drupal_get_path('module', 'materio_search_api') . '/images/search.png',
     '#title' => t('Search'),
@@ -943,6 +1005,45 @@ function materio_search_api_advanced_search_rmline_callback($form, &$form_state)
   return $form['filters'];
 }
 
+function materio_search_api_advanced_search_form_validate($form, &$form_state){
+  // dsm($form, '$form');
+  // dsm($form_state, '$form_state');
+  // dsm(strlen($form_state['values']['searchfield']));
+  // if (strlen(trim($form_state['values']['searchfield'])) <= 1) {
+  //   form_set_error('searchfield', 'Please enter at least 2 characters keyword.');
+  // }
+}
+
+function materio_search_api_advanced_search_form_submit($form, &$form_state){
+  // dsm($form_state, 'form_state');
+
+  $values = $form_state['values'];
+  $filterlines = isset($form_state['filterlines']) ? $form_state['filterlines'] : 0;
+  $keywords = array();
+
+  // extract last tag of each lines
+  for ($l=0; $l < $filterlines ; $l++) {
+    for ($i=2; $i > 0 ; $i--) {
+      if(isset($values['filter-'.$l.'-'.$i]) && $values['filter-'.$l.'-'.$i]){
+        $term = taxonomy_term_load($values['filter-'.$l.'-'.$i]);
+        $keywords[$term->tid] = '"'.$term->name.'"';
+        continue 2;
+      }else{
+        continue;
+      }
+    }
+  }
+
+  // dsm($keywords, 'keywordstid');
+
+  $keywords_str = implode("+", $keywords);
+
+  // dsm($keywords_str);
+
+  $form_state['redirect'] = 'explore/'.$keywords_str; //rawurlencode($keywords_str);
+}
+
+
 
 /**
  * viewmode
diff --git a/sites/all/themes/gui/materiobasetheme/css/styles.css b/sites/all/themes/gui/materiobasetheme/css/styles.css
index 1e654544..8962f33b 100644
--- a/sites/all/themes/gui/materiobasetheme/css/styles.css
+++ b/sites/all/themes/gui/materiobasetheme/css/styles.css
@@ -3900,25 +3900,46 @@ body.home-v2 #main {
       #tool-bar #block-materio-search-api-mo-searchapi-advanced-search > .inner:active {
         transition: box-shadow 0s ease-out;
         box-shadow: 0 0 5px rgba(0, 0, 0, 0.4); }
-  #tool-bar #materio-search-api-advanced-search-form .filter-line {
-    margin: 0.3em 0;
-    padding-top: 0.3em; }
-    #tool-bar #materio-search-api-advanced-search-form .filter-line:not(:first-child) {
-      border-top: 1px dotted black; }
-    #tool-bar #materio-search-api-advanced-search-form .filter-line .form-item {
-      display: inline-block;
-      vertical-align: middle;
-      font-size: 12px;
-      line-height: 1;
-      text-transform: capitalize;
-      margin: 0 0em 0 0; }
-    #tool-bar #materio-search-api-advanced-search-form .filter-line select {
-      width: auto; }
-  #tool-bar #materio-search-api-advanced-search-form .rm-btn {
-    float: right;
-    margin: 0.4em 0 0.4em 0.4em; }
-  #tool-bar #materio-search-api-advanced-search-form #edit-search {
-    float: right; }
+  #tool-bar #materio-search-api-advanced-search-form > div {
+    position: relative; }
+  #tool-bar #materio-search-api-advanced-search-form #advancedsearch-filters, #tool-bar #materio-search-api-advanced-search-form #edit-rightcol {
+    display: inline-block;
+    vertical-align: top; }
+  #tool-bar #materio-search-api-advanced-search-form #edit-rightcol {
+    position: relative;
+    text-align: center; }
+    #tool-bar #materio-search-api-advanced-search-form #edit-rightcol > * {
+      display: block; }
+    #tool-bar #materio-search-api-advanced-search-form #edit-rightcol a.back-search-home {
+      color: #000;
+      padding-top: 0.45em; }
+      #tool-bar #materio-search-api-advanced-search-form #edit-rightcol a.back-search-home i:before {
+        font-size: 1.3em; }
+    #tool-bar #materio-search-api-advanced-search-form #edit-rightcol #edit-search {
+      margin: 1em 0 0.5em; }
+  #tool-bar #materio-search-api-advanced-search-form #advancedsearch-filters {
+    padding-right: 0.5em;
+    margin-right: 0.5em;
+    border-right: 1px solid #ccc; }
+    #tool-bar #materio-search-api-advanced-search-form #advancedsearch-filters .filter-line {
+      margin: 0.3em 0;
+      padding-top: 0.3em; }
+      #tool-bar #materio-search-api-advanced-search-form #advancedsearch-filters .filter-line:not(:first-child) {
+        border-top: 1px solid #ccc; }
+      #tool-bar #materio-search-api-advanced-search-form #advancedsearch-filters .filter-line .form-item {
+        display: inline-block;
+        vertical-align: middle;
+        font-size: 12px;
+        line-height: 1;
+        text-transform: capitalize;
+        margin: 0 0em 0 0; }
+      #tool-bar #materio-search-api-advanced-search-form #advancedsearch-filters .filter-line select {
+        width: auto; }
+    #tool-bar #materio-search-api-advanced-search-form #advancedsearch-filters .rm-btn {
+      float: right;
+      margin: 0.4em 0 0.4em 0.4em; }
+    #tool-bar #materio-search-api-advanced-search-form #advancedsearch-filters .add-filter {
+      margin: 0.5em 0; }
 
 #center {
   border-radius: 10px;
diff --git a/sites/all/themes/gui/materiobasetheme/scss/styles.scss b/sites/all/themes/gui/materiobasetheme/scss/styles.scss
index 821d83f4..5d467e2b 100644
--- a/sites/all/themes/gui/materiobasetheme/scss/styles.scss
+++ b/sites/all/themes/gui/materiobasetheme/scss/styles.scss
@@ -1118,37 +1118,70 @@ $headerouterheight:$headerheight+$headerpaddingtop+$headerpaddingbottom;
   }
 
   #materio-search-api-advanced-search-form{
-    .filter-line{
-      margin:0.3em 0;
-      padding-top:0.3em;
+    >div{
+      position: relative;
+    }
 
-      &:not(:first-child){
-        border-top: 1px dotted black;
+    #advancedsearch-filters, #edit-rightcol{
+      display: inline-block;
+      vertical-align: top;
+    }
+
+    #edit-rightcol{
+      position: relative;
+      text-align: center;
+      >*{display:block;}
+      a.back-search-home{
+        color:#000;
+        padding-top: 0.45em;
+        i:before{
+          font-size:1.3em;
+        }
       }
-      .form-item{
-        display:inline-block;
-        vertical-align: middle;
-        @include fs12; line-height:1;
-        // padding-right:3em;
-        text-transform: capitalize;
-        // min-width : 4em;
-        margin:0 0em 0 0;
-      }
-
-      select{
-        width:auto;
-
+      #edit-search{
+        margin: 1em 0 0.5em;
       }
     }
 
-    .rm-btn{
-      float: right;
-      margin:0.4em 0 0.4em 0.4em;
+    #advancedsearch-filters{
+      padding-right: 0.5em;
+      margin-right: 0.5em;
+      border-right: 1px solid #ccc;
+
+      .filter-line{
+        margin:0.3em 0;
+        padding-top:0.3em;
+
+        &:not(:first-child){
+          border-top: 1px solid #ccc;
+        }
+        .form-item{
+          display:inline-block;
+          vertical-align: middle;
+          @include fs12; line-height:1;
+          // padding-right:3em;
+          text-transform: capitalize;
+          // min-width : 4em;
+          margin:0 0em 0 0;
+        }
+
+        select{
+          width:auto;
+
+        }
+      }
+
+      .rm-btn{
+        float: right;
+        margin:0.4em 0 0.4em 0.4em;
+      }
+
+      .add-filter{
+        margin:0.5em 0;
+      }
     }
 
-    #edit-search{
-      float: right;
-    }
+
   }
 
 }