Index: branches/5.2.x/core/units/filters/item_filter_tp.php
===================================================================
diff -u -N -r15086 -r15091
--- branches/5.2.x/core/units/filters/item_filter_tp.php	(.../item_filter_tp.php)	(revision 15086)
+++ branches/5.2.x/core/units/filters/item_filter_tp.php	(.../item_filter_tp.php)	(revision 15091)
@@ -76,16 +76,29 @@
 				$cache[$cache_key]['counts'] = $this->Conn->GetCol($count_sql, 'GroupField');
 			}
 			elseif ( $filter_type == 'range' ) {
-				$max_sql = str_replace('COUNT(*) AS count', 'MAX(' . $field_sql . ')', $sql);
-				$max_value = $this->Conn->GetOne($max_sql);
+				$filter_params = $this->Application->GetVar('filter_params', Array ());
+				$filter_params = isset($filter_params[$filter_field]) ? $filter_params[$filter_field] : Array ();
 
+				if ( isset($filter_params['max_value']) ) {
+					$max_value = $filter_params['max_value'];
+				}
+				else {
+					$max_sql = str_replace('COUNT(*) AS count', 'MAX(' . $field_sql . ')', $sql);
+					$max_value = $this->Conn->GetOne($max_sql);
+				}
+
 				if ( !$max_value ) {
 					return '';
 				}
 
 				$range_start = 0;
 				$range_count = $object->GetDBField('RangeCount');
 				$max_value = $this->getClosestValue($max_value / $range_count) * $range_count;
+
+				if ( $max_value <= $range_count ) {
+					$range_count = floor($range_count / 2);
+				}
+
 				$range_size = $max_value / $range_count;
 
 //				$range_size = ceil( $max_value / $range_count );
@@ -165,6 +178,11 @@
 			$this->Application->SetVar('max_range_value', $max_value);
 
 			$range_count = $object->GetDBField('RangeCount');
+
+			if ( $max_value <= $range_count ) {
+				$range_count = floor($range_count / 2);
+			}
+
 			$range_size = $max_value / $range_count;
 			$this->Application->SetVar('range_step', $range_size);
 
@@ -286,9 +304,19 @@
 	 */
 	protected function SliderHeight($params)
 	{
-		$object =& $this->getObject($params);
-		/* @var $object kDBItem */
+		// range count could be dynamically changed in PrintFilterOptions tag
+		$max_value = $this->Application->GetVar('max_range_value');
 
-		return $object->GetDBField('RangeCount') * $params['factor'];
+		if ( $max_value !== false ) {
+			$range_count = $max_value / $this->Application->GetVar('range_step');
+		}
+		else {
+			$object =& $this->getObject($params);
+			/* @var $object kDBItem */
+
+			$range_count = $object->GetDBField('RangeCount');
+		}
+
+		return $range_count * $params['factor'];
 	}
 }