Bulk mail fix

entity/BulkMail_entity/entityfields/content/valueProcess.js

-import("Document_lib");
-import("system.util");
-import("system.result");
-import("system.vars");
-import("system.db");
-import("DocumentTemplate_lib");
-
-if (vars.get("$this.value") == null)
-{
-    var upload = vars.get("$field.BINDATA");
-    var template;
-    if (upload)
-    {
-        var binData = DocumentUtil.getBindataFromUpload(upload);
-        var filename = DocumentUtil.getFilenameFromUpload(upload);
-        var type = DocumentUtil.getFileExtensionFromUpload(filename);
-        type = ({
-            "txt" : DocumentTemplate.types.TXT,
-            "html" : DocumentTemplate.types.HTML,
-            "htm" : DocumentTemplate.types.HTML,
-            "eml" : DocumentTemplate.types.EML
-        })[type];
-        template = new DocumentTemplate(binData, type);
-        
-    }
-    else
-    {
-        template = DocumentTemplate.loadTemplate(vars.get("$field.DOCUMENTTEMPLATE_ID"));
-    }
-    var content = template.getReplacedContent({}, true);
-
-    result.string(content);
-}
+import("Document_lib");
+import("system.util");
+import("system.result");
+import("system.vars");
+import("system.db");
+import("DocumentTemplate_lib");
+
+if (!vars.get("$this.value"))
+{
+    var upload = vars.get("$field.BINDATA");
+    var template;
+    if (upload)
+    {
+        var binData = DocumentUtil.getBindataFromUpload(upload);
+        var filename = DocumentUtil.getFilenameFromUpload(upload);
+        var type = DocumentUtil.getFileExtensionFromUpload(filename);
+        type = ({
+            "txt" : DocumentTemplate.types.TXT,
+            "html" : DocumentTemplate.types.HTML,
+            "htm" : DocumentTemplate.types.HTML,
+            "eml" : DocumentTemplate.types.EML
+        })[type];
+        template = new DocumentTemplate(binData, type);
+        
+    }
+    else
+    {
+        template = DocumentTemplate.loadTemplate(vars.get("$field.DOCUMENTTEMPLATE_ID"));
+    }
+    var content = template.getReplacedContent({}, true);
+
+    result.string(content);
+}