var rotator1 = {
    path:   'headimg/',
    speed:  5500, // default is 4500
    images: ["head1.jpg", "head2.jpg", "head3.jpg", "head4.jpg", "head5.jpg", "head6.jpg", "head7.jpg", "head8.jpg"] 
};

var c=0;
var t;

function timedCount()
{
if (!rotator1.images[c]) {
	c=0;
}; 
var newImage = "url(" + rotator1.path + rotator1.images[c] + ")";


if (document.getElementById)
{
document.getElementById('changepict').style.backgroundImage = newImage;
}
else if (document.all)
{
document.all('changepict').style.backgroundImage = newImage;
}
else if (document.layers)
{
document.layers('changepict').style.backgroundImage = newImage;
};

c=c+1;
t=setTimeout("timedCount()",rotator1.speed);
}