var maxAdNo = 1
	
								var adNo
	
								var myAd = new Array()
								



								
								myAd[0] = '<a href="http://www.oftec.co.uk/" target="_blank"><img src="images/oftec_button_142x125.gif" width="187" height="126" border="0"></a>'
								

								myAd[1] = '<a href="http://www.terencebarkertanks.co.uk/" target="_blank"><img src="images/TerenceBarker.jpg" width="187" height="126" border="0"></a>'
								
								adNo = Math.round(Math.random() * maxAdNo)
				
								document.write(myAd[adNo])