//ButYacht.js
database=new Array("yachts01.html","yachtt01.html","yachtt02.html","yachtt03.html","yachtwbm_Chrysler.html","yachtwbm_Evinrude.html","yachtwbm_Evinrude2.html","yachtwbm_Force.html","yachtwbm_Honda.html","yachtwbm_Johnson.html","yachtwbm_Johnson2.html","yachtwbm_Mariner.html","yachtwbm_Mariner2.html","yachtwbm_Mercury.html","yachtwbm_Mercury2.html","yachtwbm_Mercury3.html","yachtwbm_Nissan.html","yachtwbm_Suzuki.html","yachtwbm_Tohatsu.html","yachtwbm_Yamaha.html","yachtwbm_Yamaha2.html","yachtwhm_Chrysler.html","yachtwhm_Mercruiser.html","yachtwhm_Omc.html","yachtwhm_Volvo.html","yachtwhm_Yamaha.html","yachtwim_Indmar.html","yachtwim_Yanmar.html","yachtwmar_Europa.html","yachtwmar_Europa2.html","yachtwmar_USA.html","yachtwmar_USA2.html","yachtwmar_USA3.html","yachtwsm_Kawasaki.html","yachtwsm_Polaris.html","yachtwsm_SeaDoo.html","yachtwsm_Yamaha.html");

NumberOfFiles=database.length;
StringA=window.location.href;
LengthA=StringA.length;
A=StringA.lastIndexOf("/")+1;
ThisFilename=StringA.substring(A,LengthA);
n=NumberOfFiles-1;

for (var z=0;z<=n;z++)
{
if (database[z]==ThisFilename)
{
ThisPageNumber=z;
}
}
function goBack(){
if (ThisPageNumber-1<0)
{
alert("You are at the beginning of the series")
}
else
{window.location=database[ThisPageNumber-1]
}
}
function goForward(){
if (ThisPageNumber+1>n)
{
alert("You are at the end of the series")
}
else
{window.location=database[ThisPageNumber+1]}}