diff --git a/lam/lib/html.inc b/lam/lib/html.inc
index 3665971e..40390485 100644
--- a/lam/lib/html.inc
+++ b/lam/lib/html.inc
@@ -42,6 +42,7 @@ abstract class htmlElement {
 	const ALIGN_LEFT = 1;
 	const ALIGN_RIGHT = 2;
 	const ALIGN_BOTTOM = 3;
+	const ALIGN_CENTER = 4;
 	
 	/** alignment when inside a table */
 	public $alignment = null;
@@ -84,6 +85,9 @@ abstract class htmlElement {
 				case htmlElement::ALIGN_RIGHT:
 					$align = 'align="right"';
 				break;
+				case htmlElement::ALIGN_CENTER:
+					$align = 'align="center"';
+				break;
 			}
 		}
 		return $align;