- Image search expand box, adjust javascript hs padtominsize parameter, to make sure expand box doesn't shrink on small images

- asure ImageResult.imagetext has value for the link text (use filename if no alt text given)

htroot/js/highslide/highslide.js

@@ -49,7 +49,7 @@ focusTitle : 'Click to bring to front',
 allowMultipleInstances: true,
 numberOfImagesToPreload : 5,
 captionSlideSpeed : 1, // set to 0 to disable slide in effect
-padToMinWidth : false, // pad the popup width to make room for wide caption
+padToMinWidth : true, // pad the popup width to make room for wide caption
 outlineWhileAnimating : 2, // 0 = never, 1 = always, 2 = HTML only 
 outlineStartOffset : 3, // ends at 10
 fullExpandTitle : 'Expand to actual size',

source/net/yacy/search/query/SearchEvent.java

@@ -1630,7 +1630,7 @@ public final class SearchEvent {
             this.sourceUrl = sourceUrl;
             this.imageUrl = imageUrl;
             this.mimetype = mimetype;
-            this.imagetext = imagetext;
+            this.imagetext = imagetext.isEmpty() ? imageUrl.getFileName() : imagetext;
             this.width = width;
             this.height = height;
             this.fileSize = fileSize;