// navigation.js

str = "<p class='box' align='center'><font size='2' color='#000000' face='Arial, Helvetica, sans-serif'><font size='1'>Navigate</font><br><b><a href='javascript:history.go(-1)' title='Back a page'>&lt;&lt;</a>&nbsp;&nbsp;&nbsp;<a href='javascript:history.go(+1)' title='Forward a page'>&gt;&gt;</a></font></b></p>";

document.write(str);