var a_Colour="red";
var b_Colour="blue";
var c_Colour="green";
var Size=100;

var YDummy=new Array(),XDummy=new Array(),xpos=0,ypos=0,ThisStep=0;step=0.03;
if (document.layers){
window.captureEvents(Event.MOUSEMOVE);
function nsMouse(evnt){
xpos = window.pageYOffset+evnt.pageX+6;
ypos = window.pageYOffset+evnt.pageY+16;
}
window.onMouseMove = nsMouse;
}
else if (document.all)
{
function ieMouse(){
xpos = document.body.scrollLeft+event.x+6;
ypos = document.body.scrollTop+event.y+16;
}
document.onmousemove = ieMouse;
}

function swirl(){