1. Netscape
2. Internet Explorer

SOLUTION: 
 

1.  Netscape   Click Edit/Preferences Click the + on Advanced and click Cache. Click both Clear buttons and select Every time under "Document in cache is compared to document on network" Click OK Close your browser and reopen it.

2.  Internet Explorer   Click Tools/Internet Options Under Temporary Internet files click Delete Files and follow instructions; then click Settings Under Settings click "Every visit to the page" Click OK all the way back out and close IE then restart it.