diff --git a/views/bootstrap/class.AttributeMgr.php b/views/bootstrap/class.AttributeMgr.php
index f6b37d321..25b8f95ce 100644
--- a/views/bootstrap/class.AttributeMgr.php
+++ b/views/bootstrap/class.AttributeMgr.php
@@ -213,7 +213,22 @@ $(document).ready( function() {
 					<div class="control-group">
 						<label class="control-label"><?php printMLText("attrdef_type");?>:</label>
 						<div class="controls">
-							<select name="type"><option value="<?php echo SeedDMS_Core_AttributeDefinition::type_int ?>" <?php if($attrdef && $attrdef->getType() == SeedDMS_Core_AttributeDefinition::type_int) echo "selected"; ?>><?php printMLText('attrdef_type_int'); ?></option><option value="<?php echo SeedDMS_Core_AttributeDefinition::type_float ?>" <?php if($attrdef && $attrdef->getType() == SeedDMS_Core_AttributeDefinition::type_float) echo "selected"; ?>><?php printMLText('attrdef_type_float'); ?></option><option value="<?php echo SeedDMS_Core_AttributeDefinition::type_string ?>" <?php if($attrdef && $attrdef->getType() == SeedDMS_Core_AttributeDefinition::type_string) echo "selected"; ?>><?php printMLText('attrdef_type_string'); ?></option><option value="<?php echo SeedDMS_Core_AttributeDefinition::type_boolean ?>" <?php if($attrdef && $attrdef->getType() == SeedDMS_Core_AttributeDefinition::type_boolean) echo "selected"; ?>><?php printMLText('attrdef_type_boolean'); ?></option><option value="<?php echo SeedDMS_Core_AttributeDefinition::type_date ?>" <?php if($attrdef && $attrdef->getType() == SeedDMS_Core_AttributeDefinition::type_date) echo "selected"; ?>><?php printMLText('attrdef_type_date'); ?></option><option value="<?php echo SeedDMS_Core_AttributeDefinition::type_email ?>" <?php if($attrdef && $attrdef->getType() == SeedDMS_Core_AttributeDefinition::type_email) echo "selected"; ?>><?php printMLText('attrdef_type_email'); ?></option><option value="<?php echo SeedDMS_Core_AttributeDefinition::type_url ?>" <?php if($attrdef && $attrdef->getType() == SeedDMS_Core_AttributeDefinition::type_url) echo "selected"; ?>><?php printMLText('attrdef_type_url'); ?></option></select>
+							<select name="type">
+								<option value="<?php echo SeedDMS_Core_AttributeDefinition::type_int ?>" <?php if($attrdef && $attrdef->getType() == SeedDMS_Core_AttributeDefinition::type_int) echo "selected"; ?>><?php printMLText('attrdef_type_int'); ?></option>
+								<option value="<?php echo SeedDMS_Core_AttributeDefinition::type_float ?>" <?php if($attrdef && $attrdef->getType() == SeedDMS_Core_AttributeDefinition::type_float) echo "selected"; ?>><?php printMLText('attrdef_type_float'); ?></option>
+								<option value="<?php echo SeedDMS_Core_AttributeDefinition::type_string ?>" <?php if($attrdef && $attrdef->getType() == SeedDMS_Core_AttributeDefinition::type_string) echo "selected"; ?>><?php printMLText('attrdef_type_string'); ?></option>
+								<option value="<?php echo SeedDMS_Core_AttributeDefinition::type_boolean ?>" <?php if($attrdef && $attrdef->getType() == SeedDMS_Core_AttributeDefinition::type_boolean) echo "selected"; ?>><?php printMLText('attrdef_type_boolean'); ?></option>
+								<option value="<?php echo SeedDMS_Core_AttributeDefinition::type_date ?>" <?php if($attrdef && $attrdef->getType() == SeedDMS_Core_AttributeDefinition::type_date) echo "selected"; ?>><?php printMLText('attrdef_type_date'); ?></option>
+								<option value="<?php echo SeedDMS_Core_AttributeDefinition::type_email ?>" <?php if($attrdef && $attrdef->getType() == SeedDMS_Core_AttributeDefinition::type_email) echo "selected"; ?>><?php printMLText('attrdef_type_email'); ?></option>
+								<option value="<?php echo SeedDMS_Core_AttributeDefinition::type_url ?>" <?php if($attrdef && $attrdef->getType() == SeedDMS_Core_AttributeDefinition::type_url) echo "selected"; ?>><?php printMLText('attrdef_type_url'); ?></option>
+<?php
+		if($moreoptions = $this->callHook('additionalTypes', $attrdef)) {
+			foreach($moreoptions as $option) {
+				echo '<option value="'.(int) $option['value'].'" '.($attrdef && $attrdef->getType() == $option['value'] ? "selected" : "").'>'.$option['name'].'</option>';
+			}
+		}
+?>
+							</select>
 						</div>
 					</div>
 <?php