diff --git a/generic_data/Filters/filters_info.xml b/generic_data/Filters/filters_info.xml
index 55e4831..4ed8951 100644
--- a/generic_data/Filters/filters_info.xml
+++ b/generic_data/Filters/filters_info.xml
@@ -8,7 +8,7 @@
           <op id='ne' name='!='/>
         </ops>
       </condition>
-      <!--<condition id='sta' name='Start Time' type='date'>
+      <condition id='sta' name='Start Time' type='date'>
         <ops>
           <op id='le' name='&lt;='/>
           <op id='ge' name='&gt;='/>
@@ -19,20 +19,20 @@
           <op id='le' name='&lt;='/>
           <op id='ge' name='&gt;='/>
         </ops>
-      </condition>-->
+      </condition>
       <condition id='mis' name='Mission Name' type='string'>
         <ops>
           <op id='eq' name='='/>
           <op id='ne' name='!='/>
         </ops>
       </condition>
-      <!--<condition id='pro' name='Provider' type='string'>
+      <condition id='pro' name='Provider' type='select' selectList='provider'>
         <ops>
           <op id='eq' name='='/>
           <op id='ne' name='!='/>
         </ops>
       </condition>
-      <condition id='typ' name='Data type' type='select' selectList='dataType'>
+     <!-- <condition id='typ' name='Data type' type='select' selectList='dataType'>
         <ops>
           <op id='eq' name='='/>
           <op id='ne' name='!='/>
diff --git a/generic_data/Filters/filters_selectLists.xml b/generic_data/Filters/filters_selectLists.xml
index d3c3326..d33011a 100644
--- a/generic_data/Filters/filters_selectLists.xml
+++ b/generic_data/Filters/filters_selectLists.xml
@@ -27,6 +27,26 @@
       <elt id='Comet' name='Comet'/>
     </elts>
   </selectList>
+  <selectList id='provider'>  
+    <elts>
+		  <elt id='PDS' name='Planetary Data System'/>
+		  <elt id='PSA' name='Planetary Science Archive'/>
+		  <elt id='CDAWeb' name='CDAWeb'/>
+		  <elt id='OMNIWeb' name='OMNIWeb'/>
+		  <elt id='CSA' name='Cluster Science Archive'/>
+		  <elt id='IRAP' name='Institut de Recherche en Astrophysique et Planétologie'/>
+		  <elt id='IRAP_THEMIS' name='THEMIS mirror at IRAP'/>
+		  <elt id='Madrigal' name='Madrigal : EISCAT'/>
+		  <elt id='University of Iowa' name='University of Iowa'/>
+		  <elt id='ONERA' name='Centre francais de recherche aerospatiale'/>
+		  <elt id='LESIA-OBSPM' name='Laboratoire etudes spatiales et instrumentation en astrophysique'/>
+		  <elt id='JHU/APL' name='Johns Hopkins University'/>
+		  <elt id='NOAA' name='National Oceanic and Atmospheric Administration'/>
+		  <elt id='NAIF' name='Navigation and Ancillary Information Facility'/>
+		  <elt id='ISGI/UNISTRA' name='ISGI/UNISTRA'/>
+		  <elt id='WDC Kyoto via ISGI/UNISTRA' name='WDC Kyoto'/>
+    </elts>
+  </selectList>  
   <selectList id='dataType'>
     <elts>
       <elt id='mag' name='Magnetometer'/>
diff --git a/php/classes/FilterResParam.php b/php/classes/FilterResParam.php
index 8203247..8a75923 100644
--- a/php/classes/FilterResParam.php
+++ b/php/classes/FilterResParam.php
@@ -146,56 +146,58 @@
   			
                     $instruments = $this->xp->query("//mission[@xml:id='".$missionId."']//instrument");
 	  
-  		    for ($j = 0; $j < $instruments->length; $j++)
-  		    {  	
-                        $instrumentId =  $instruments->item($j)->getAttribute('xml:id');
-  		  		
-                        $datasets = $this->xp->query("//mission[@xml:id='".$missionId."']//instrument[@xml:id='".$instrumentId."']//dataset");
-  		    	
-                        for ($k = 0; $k < $datasets->length; $k++)
-  		    	{  		    		  
-                                $datasetId = $datasets->item($k)->getAttribute('xml:id'); 
-    		    		
-  		    		switch($kind)
-  		    		{
-  		    			case 'sta' :
-  		    				$dataTime = $datasets->item($k)->getAttribute('dataStart');
-  		    				break;
-  		    			case 'sto' :
-  		    				$dataTime = $datasets->item($k)->getAttribute('dataStop');
-  		    				break;
-  		    		}
-  		    		
-  		    		list($day, $month, $year) = explode('-', $dataTime);
-  		    		$date = mktime(0, 0, 0, $month, $day, $year);
-  		    		list($year, $month, $day, $hour, $min, $sec) = split('[-T:]', $value);
-  		    		$date_value = mktime($hour, $min, $sec, $month, $day, $year);
-  		    		
-                                $id = $datsetId;
-                                $chain = $datasetId;
-                                $node = $datasets->item($k);
+			for ($j = 0; $j < $instruments->length; $j++)
+			{ 
+				$instrumentId =  $instruments->item($j)->getAttribute('xml:id');
 
-                                while ($id !== $missionId) {
-                                    $node = $node->parentNode;
-                                    $id = $node->getAttribute('xml:id');
-                                    $chain = $id.";".$chain;
-                                }  
+				$datasets = $this->xp->query("//mission[@xml:id='".$missionId."']//instrument[@xml:id='".$instrumentId."']//dataset");
 
-  		    		switch($opId)
-  		    		{
-  		    			case 'le' :
-  		    				if ($date <= $date_value)                                                         
-                                                        array_push($result,$chain);                                               
-  		    				break;
-  		    			case 'ge' :
-  		    				if ($date >= $date_value)                                                           
-                                                        array_push($result,$chain);                                                       		    					                                                  
-  		    				break;
-  		    		}
-  		    	}
-  		    }
-  		}
-  		
+				for ($k = 0; $k < $datasets->length; $k++)
+				{  
+					$datasetId = $datasets->item($k)->getAttribute('xml:id'); 
+
+					switch($kind)
+					{
+						case 'sta' :
+							$dataTime = $datasets->item($k)->getAttribute('dataStart');
+							break;
+						case 'sto' :
+							$dataTime = $datasets->item($k)->getAttribute('dataStop');
+							break;
+					}
+					
+		//   		    		list($day, $month, $year) = explode('-', $dataTime);
+		//   		    		$date = mktime(0, 0, 0, $month, $day, $year);
+		//   		    		list($year, $month, $day, $hour, $min, $sec) = split('[-T:]', $value);
+		//   		    		$date_value = mktime($hour, $min, $sec, $month, $day, $year);
+					$date = strtotime($dataTime);
+					$date_value =  strtotime($value);
+
+					$id = $datsetId;
+					$chain = $datasetId;
+					$node = $datasets->item($k);
+
+					while ($id !== $missionId) {
+						$node = $node->parentNode;
+						$id = $node->getAttribute('xml:id');
+						$chain = $id.";".$chain;
+					}  
+
+					switch($opId)
+					{
+						case 'le' :
+							if ($date <= $date_value)                                                         
+																			array_push($result,$chain);                                               
+							break;
+						case 'ge' :
+							if ($date >= $date_value)                                                           
+																			array_push($result,$chain);                                                       		    					                                                  
+							break;
+					}
+				}
+			}
+		}
+		
   		return $result;
   	}
   	
--
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