--- trunk/public_html/koha.js	2009/03/28 20:53:20	77
+++ trunk/public_html/koha.js	2009/03/28 20:53:45	78
@@ -9,28 +9,38 @@
 
 	var id = a[0];
 
-	console.debug( id, rfid_selected[id] === undefined );
-
-	if ( id > 0 && rfid_selected[ id ] === undefined ) {
-		if ( $('#'+id).length > 0 ) {
-			console.error('element', id, 'allready exists');
+	if ( id > 0 ) {
+		var item = $('#item'+id);
+		if ( item.length > 0 ) {
+			console.error('element', id, 'allready exists', item);
 		} else {
-			$('#koha').append( '<div class="item" id="'+id+'">Loading item '+id+' from Koha</div>' )
+			$('#koha').append( '<div class="item" id="item'+id+'">Loading item '+id+' from Koha</div>' )
 			console.debug('created element', id);
-		}
-		$.get( '/koha/' + id, function(data) {
-			$('#'+id).html( data );
 
-			if ( rfid_selected[id] === undefined ) {
+			$.get( '/koha/' + id, function(data) {
+				item.html( data );
+
 				var e = $('#clear_selection');
 				e.attr( 'value', parseInt( e.attr('value') ) + 1 );
-				console.info('loaded item:', id, ' times:', rfid_selected[ id ], 'total selected:', e.attr('value'));
-			}
+				console.info('loaded item:', id, 'total selected:', e.attr('value'));
 
-			rfid_selected[ id ] = data;
-		});
+				rfid_selected[ id ] = data;
+				$('#clear_selection').click( function() {
+					rfid_selected[id] = undefined;
+					item.remove();
+				});
+			});
+		}
+		item.addClass('in_range');
 	} else if ( id < 0 ) {
-		console.info("No RFID chips in range");
+		id = Math.abs( parseInt( id ));
+		var item = $('#item'+id);
+		if ( item.length > 0 ) {
+			console.info('item', item, 'out of range');
+			item.removeClass('in_range');
+		} else {
+			console.error('item', item, 'not found on page');
+		}
 	}
 };