var pagename = location.pathname
var pagenamelen = pagename.length
var pagepos = pagename.indexOf("page") + 4
var pagenoend = pagenamelen - 4
var currpage = pagename.slice(pagepos,pagenoend) * 1
var prevpage = currpage - 1
var nextpage = (currpage + 1)
var prevpage = "epage" + prevpage + ".htm"
var nextpage = "epage" + nextpage + ".htm"
switch (currpage)
{
case 2:
document.write("Home Next
")
break
case 118:
document.write("Home Table of Contents ")
document.write("Previous
")
break
default:
document.write("Home Table of Contents ")
document.write("Previous Next
")
}