Java 7 Update 51 has introduced new security features that will block unsigned or self signed web pages. Harvesters Online banking URL must be added to the JAVA Exception Site list in order to view it correctly.
Steps to add URL to the Exception Site list:
Go to the Java Control Panel ( On Windows Click start, Java, then Configure Java )
Click on Security tab.
Click on Edit Site List.
Click the Add in the Exception Site List window.
Click in the empty field under Location field to enter the URL https://harveonline.harvestersfcu.com