These files are in PDF format which requires Adobe Acrobat Reader in order to view them. Adobe Acrobat Reader can be downloaded from Adobe's web site at the link below:

If you wish to save the documents for later use, or the formatting of the document appears to be incorrect when viewed in your browser you can save the documents as follows:

In Internet Explorer right-click on the PDF icon and select 'save target as'.
In Netscape or Mozilla right-click on the PDF icon and select 'save link as'.