GoTo = new Array()
GoTo[0]="http://rcm-uk.amazon.co.uk/e/cm?t=calendarandca-21&o=2&p=8&l=st1&mode=books-uk&search=Chronolgy&fc1=&=1&lc1=&lt1=&f=ifr&bg1="
// Keyword books - Chronolgy
GoTo[1]="http://rcm-uk.amazon.co.uk/e/cm?t=calendarandca-21&o=2&p=8&l=st1&mode=books-uk&search=Genealogy&fc1=&=1&lc1=&lt1=_blank&f=ifr&bg1="
// Keyword books - Genealogy
GoTo[2]="http://rcm-uk.amazon.co.uk/e/cm?t=calendarandca-21&o=2&p=8&l=st1&mode=books-uk&search=Family tree&fc1=&=1&lc1=&lt1=_blank&f=ifr&bg1="
// Keyword books - Family tree
GoTo[3]="http://rcm-uk.amazon.co.uk/e/cm?t=calendarandca-21&o=2&p=8&l=st1&mode=books-uk&search=Ancestor research&fc1=&=1&lc1=&lt1=_blank&f=ifr&bg1="
// Keyword books - Ancestor research
GoTo[4]="http://rcm-uk.amazon.co.uk/e/cm?t=calendarandca-21&o=2&p=8&l=bn1&mode=books-uk&browse=65&fc1=&=1&lc1=&lt1=_blank&f=ifr&bg1="
// Keyword books - Subcategory History
GoTo[5]="http://rcm-uk.amazon.co.uk/e/cm?t=calendarandca-21&o=2&p=8&l=bn1&mode=books-uk&browse=60&fc1=&=1&lc1=&lt1=_blank&f=ifr&bg1="
// Keyword books - Subcategory Society, Politics & Philosophy

var nr = Math.round(5 * Math.random()); // Here always as number the last GoTo entry.

var Link = GoTo[nr]

document.write("<iframe src=" +Link+ " marginwidth=0 marginheight=0 width=120 height=240 border=0 frameborder=0 style=border:none; scrolling=no></iframe>")