get cloned crawl start parameter for snapshots

htroot/CrawlStartExpert.html

@@ -472,7 +472,7 @@
             means a snapshot is only be generated if the crawl depth of a document is smaller or equal to the given number here. If the number is set to -1,
             no snapshots are generated.
             </span></span>
-			<input type="text" name="snapshotsMaxDepth" id="snapshotsMaxDepth" size="2" maxlength="2" value="-1" />
+			<input type="text" name="snapshotsMaxDepth" id="snapshotsMaxDepth" size="2" maxlength="2" value="#[snapshotsMaxDepth]#" />
 	      </dd>
           <dt><label for="snapshot">Multiple Snapshot Versions</label></dt>
           <dd>

htroot/CrawlStartExpert.java

@@ -517,6 +517,7 @@ public class CrawlStartExpert {
             sb.getConfigBool("proxyAlwaysFresh", false) &&
              Html2Image.wkhtmltopdfAvailable() && Html2Image.convertAvailable()) {
             prop.put("snapshotSelect", 1);
+            prop.put("snapshotSelect_snapshotsMaxDepth", post == null ? "-1" : post.get("snapshotsMaxDepth", "-1"));
         } else {
             prop.put("snapshotSelect", 0);
         }