diff --git a/includes/custom-field-ajuts-filter-function-frontend.php b/includes/custom-field-ajuts-filter-function-frontend.php
index b5d4fd4..1d275a7 100644
--- a/includes/custom-field-ajuts-filter-function-frontend.php
+++ b/includes/custom-field-ajuts-filter-function-frontend.php
@@ -60,15 +60,10 @@ if( ! function_exists( 'ofisuport_ajuts_filters_form' ) ):
           <h5><?php echo $fields['label'];?></h5>
             <?php  foreach( $fields['choices'] as $choicevalue => $choicelabel ) { ?>
 
-          <div class="filter" data-filter="<?php echo $fields['name'];?>">
-            <input
- class="ofisuport-filter"
- type="checkbox"
- <?php if( in_array($choicevalue,$filteredvalues['value']) ) { echo 'checked';}; ?>
- value="<?php echo $choicevalue ?>"
- name="<?php echo $fields['name'];?>" />
-            <label for="<?php echo $choicevalue; ?>"><?php echo $choicelabel;?></label>
-          </div>
+            <div class="filter" data-filter="<?php echo $fields['name'];?>">
+              <input class="ofisuport-filter" type="checkbox" name="<?php echo $fields['name'];?>" <?php if( in_array($choicevalue,$filteredvalues['value']) ) { echo 'checked';}; ?> value="<?php echo $choicevalue ?>" />
+              <label for="<?php echo $choicevalue; ?>"><?php echo $choicelabel;?></label>
+            </div>
 
             <?php };//end foreach fields['choices'] ?>
 
@@ -106,42 +101,56 @@ if( ! function_exists( 'ofisuport_ajuts_filters_form' ) ):
         // vars
         var url = '<?php echo home_url('ajuts/'); ?>';
             args = {};
-            
+        var appendtoURL = '';
+        var eachfiltered = '';
+        var valueschecked = '';
+
         // loop over filters
         $('#archive-filters .filter').each(function(){
-            urldos = url;     
-            // vars
-            var filteredajuts = $(this).data('filter'),
-                vals = [],
-                allvalueschecked = [];
-              // find checked inputs
-              $(this).find('input:checked').each(function(){
-                vals.push( $(this).val() );
-                var thisvaluechecked =  $(this).val();
-                urldos += filteredajuts;
-              });
-            
-            // append to args
-            args[ filteredajuts ] = vals.join(',');
-            alert( filteredajuts +'=' +args[ filteredajuts ]);
+           // check if is first appearance of each
+           if( eachfiltered != $(this).data('filter') ){
+
+             // save already calculated field=val01,val02,val03
+             appendtoURL += eachfiltered +'=' +valueschecked +'&';
+             // remove last ','
+             appendtoURL = appendtoURL.slice(0, -1);
+             // start new fieldname filtered
+             eachfiltered = $(this).data('filter');
+             // reset values
+             valueschecked = '';
+             // find checked inputs 
+             $(this).find('input:checked').each(function(){
+               // if not empty save value and ,
+               if( $(this).val() != '' ){
+                valueschecked = $(this).val() + ',';
+               }
+             });
+           } else {
+             // we have previous values checked
+             // find checked inputs
+             if( $(this).val() != '' ){
+               // if not empty append value and ,
+               $(this).find('input:checked').each(function(){
+                 valueschecked += $(this).val() + ',';
+               });
+             }
+           };
         });
         
+        // save last cycled filtered value already calculated field=val01,val02,val03
+        appendtoURL += eachfiltered +'=' +valueschecked +'&';
+
+        // remove last &
+        appendtoURL = url.slice(0, -1);
+        
         // update url
         url += '?';
         
-        // loop over args
-        $.each(args, function( name, value ){
-            url += name + '=' + value + '&';
-        });
-        
 
-
-        // remove last &
-        url = url.slice(0, -1);
         
         // reload page
         //$('#archive-filters button').on('click', function () {
-          alert( "estoy en: " +url );
+          alert( "estoy en: " +url +appendtoURL);
           //window.location.replace( url );
         //});