// here images are preloaded

sixtya = new Image();
sixtya.src = "images/nav/1960.gif";
sixtyb = new Image();
sixtyb.src = "images/nav/1960b.gif";
sixty1a = new Image();
sixty1a.src = "images/nav/1961.gif";
sixty1b = new Image();
sixty1b.src = "images/nav/1961b.gif";
sixty2a = new Image();
sixty2a.src = "images/nav/1962.gif";
sixty2b = new Image();
sixty2b.src = "images/nav/1962b.gif";
sixty3a = new Image();
sixty3a.src = "images/nav/1963.gif";
sixty3b = new Image();
sixty3b.src = "images/nav/1963b.gif";
sixty4a = new Image();
sixty4a.src = "images/nav/1964.gif";
sixty4b = new Image();
sixty4b.src = "images/nav/1964b.gif";
sixty5a = new Image();
sixty5a.src = "images/nav/1965.gif";
sixty5b = new Image();
sixty5b.src = "images/nav/1965b.gif";
sixty6a = new Image();
sixty6a.src = "images/nav/1966.gif";
sixty6b = new Image();
sixty6b.src = "images/nav/1966b.gif";
sixty7a = new Image();
sixty7a.src = "images/nav/1967.gif";
sixty7b = new Image();
sixty7b.src = "images/nav/1967b.gif";
sixty8a = new Image();
sixty8a.src = "images/nav/1968.gif";
sixty8b = new Image();
sixty8b.src = "images/nav/1968b.gif";
sixty9a = new Image();
sixty9a.src = "images/nav/1969.gif";
sixty9b = new Image();
sixty9b.src = "images/nav/1969b.gif";



//the function that swops the images
function change(imgDocID,imgObjName) {
document.images[imgDocID].src = eval(imgObjName + ".src");
}


//random


pages=new Array()
pages[1]="index2.htm"
pages[2]="index3.htm"


maxPages=2
//
// make a function that chooses a random number
//
newPage= function (){return Math.floor(Math.random()*maxPages)+1}
//
// make a function that redirects the page
//
function switchEm()
{
window.location.href=pages[newPage()]
}