var img_rnd = new Array ("http://www.alarmforce.com/images/random/inner_left_banner1.jpg", "http://www.alarmforce.com/images/random/inner_left_banner3.jpg", 
"http://www.alarmforce.com/images/random/inner_alarmplus_banner2.jpg", "http://www.alarmforce.com/images/random/inner_testimonial_banner4.jpg");

var i = Math.floor(4*Math.random());
document.write("<img name='img' alt='Home Security System Canada' src='" +img_rnd[i]+ "'>")
if(i==3)
	setTimeout(hideimage,250);

function hideimage()
{
	//alert(document.getElementById('imageholder'));
	document.getElementById('imageholder').style.display = 'none';
}