function gps(n){ 
var URL= new Array(); 
URL[1]="http://www.amazon.com/exec/obidos/ASIN/B000066TPO/digitalmapsto-20"; 
URL[2]="http://www.amazon.com/exec/obidos/ASIN/B000066TPN/digitalmapsto-20"; 
URL[3]="http://www.amazon.com/exec/obidos/ASIN/B00006J6SA/digitalmapsto-20";
URL[4]="http://www.amazon.com/exec/obidos/external-search?tag=digitalmapsto-20&keyword=garmin rino&mode=blended";
URL[5]="http://www.amazon.com/exec/obidos/ASIN/B000058BCQ/digitalmapsto-20";
URL[6]="http://www.amazon.com/exec/obidos/ASIN/B000058BCR/digitalmapsto-20";
URL[7]="http://www.amazon.com/exec/obidos/ASIN/B00006662D/digitalmapsto-20";
URL[8]="http://www.amazon.com/exec/obidos/ASIN/B000087BXU/digitalmapsto-20";
URL[9]="http://www.amazon.com/exec/obidos/external-search?tag=digitalmapsto-20&keyword=garmin gps&mode=electronics";

URL[11]="http://www.amazon.com/exec/obidos/ASIN/B00008DHSS/digitalmapsto-20";
URL[12]="http://www.amazon.com/exec/obidos/ASIN/B00006417R/digitalmapsto-20";
URL[13]="http://www.amazon.com/exec/obidos/ASIN/B000064184/digitalmapsto-20";
URL[14]="http://www.amazon.com/exec/obidos/ASIN/B000064189/digitalmapsto-20";
URL[15]="http://www.amazon.com/exec/obidos/ASIN/B000066SUC/digitalmapsto-20";
URL[16]="http://www.amazon.com/exec/obidos/ASIN/B00005OLY8/digitalmapsto-20";
URL[17]="http://www.amazon.com/exec/obidos/ASIN/B00005OLY9/digitalmapsto-20";
URL[18]="http://www.amazon.com/exec/obidos/ASIN/B00005OLYD/digitalmapsto-20";
URL[19]="http://www.amazon.com/exec/obidos/ASIN/B00007KVHO/digitalmapsto-20";
URL[20]="http://www.amazon.com/exec/obidos/external-search?tag=digitalmapsto-20&keyword=magellan gps&mode=electronics";

URL[21]="http://www.amazon.com/exec/obidos/ASIN/B00008WMJ9/digitalmapsto-20";
URL[22]="http://www.amazon.com/exec/obidos/ASIN/B00006D2P9/digitalmapsto-20";
URL[23]="http://www.amazon.com/exec/obidos/ASIN/B00007MEZ8/digitalmapsto-20";

URL[31]="http://www.amazon.com/exec/obidos/ASIN/B00004Z0C8/digitalmapsto-20";
URL[32]="http://www.amazon.com/exec/obidos/ASIN/B00004VX3J/digitalmapsto-20";
URL[33]="http://www.amazon.com/exec/obidos/ASIN/B00004VX3I/digitalmapsto-20";
URL[34]="http://www.amazon.com/exec/obidos/ASIN/B00004Z0C9/digitalmapsto-20";
URL[35]="http://www.amazon.com/exec/obidos/ASIN/B00005V8Q8/digitalmapsto-20";
URL[36]="http://www.amazon.com/exec/obidos/ASIN/B000050FGJ/digitalmapsto-20";

URL[41]="http://www.amazon.com/exec/obidos/ASIN/B00005QSRJ/digitalmapsto-20";
URL[42]="http://www.amazon.com/exec/obidos/ASIN/B00005QSRI/digitalmapsto-20";
URL[43]="http://www.amazon.com/exec/obidos/ASIN/B0000682QQ/digitalmapsto-20";
URL[44]="http://www.amazon.com/exec/obidos/ASIN/B00006LHCV/digitalmapsto-20";

location.href=URL[n]; 
}