function showImage(){

var n = Math.ceil(Math.random()*5) ;
//alert("n=" + n ) ;
var address = new Array(5);
address[0] = "<a href='whole_cake.html'><img src='images/main01.jpg' border='0'></a>";
address[1] = "<a href='newflavor.html'><img src='images/main02.jpg' border='0'></a>";
address[2] = "<a href='parfait.html'><img src='images/main03.jpg' border='0'></a>";
address[3] = "<a href='newelegant.html'><img src='images/main04.jpg' border='0'></a>";
address[4] = "<a href='traditional.html'><img src='images/main05.jpg' border='0'></a>";
//address[5] = "<a href='xmas.html'><img src='images/main06.jpg' border='0'></a>";
var m = n-1;
document.write(address[m]);
}