// JavaScript Document
function make_random(){
	var ranNum= Math.floor(Math.random()*3);
    return ranNum;
}

function print_tla(){
	 var ran_ad=make_random();
	 var ad=new Array(3)
     ad[0]="A";
     ad[1]="B";
     ad[2]="C";   

	document.write('<a href="http://www.text-link-ads.com/?ref=20121"><img src="http://www.text-link-ads.com/images/text_link_ads_'+ad[ran_ad]+'_300x250.gif" alt="Text Link Ads" hspace="5" vspace="5" border="0" align="right"></a>');
	
}