var colours=new Array(“#a6f”, “#60f”, “#60f”, “#a6f”, “#ccc”); // colours for top, right, bottom and left borders and background of bubbles
var bubbles=66; // maximum number of bubbles on screen
var x=ox=400;
var y=oy=300;
var swide=800;
var shigh=600;
var sleft=sdown=0;
var bubb=new Array();
var bubbx=new Array();
var bubby=new Array();
var bubbs=new Array();
window.onload=function() { if (document.getElementById) {
var rats, div;
for (var i=0; isdown && bubbx[i]>0) {
if (Math.random()