added validation for uploading a photo. Users must select a photo before they hit the upload button.

webapp/web/js/imageUpload/validateUpload.js

@@ -0,0 +1,21 @@
+function validate_upload_file(form_passed)  {
+	
+	var msg="";
+
+	if (form_passed.datafile.value == "") msg += "Please browse and select a photo\n";
+
+	
+	if (msg == "") {
+
+		document.form_upload_image.submit();
+		
+		
+	} else{
+		
+		alert(msg);
+		return false;
+		
+		}
+
+	
+}