function random_ads(r){
   
 	 var ad_url_arr = new Array('http://analytics.mmosite.com/mmock.php?bid=596&zoneid=78&source=&dest=','http://analytics.mmosite.com/mmock.php?bid=597&zoneid=11&source=&dest=','http://analytics.mmosite.com/mmock.php?bid=594&zoneid=92&source=&dest=','http://analytics.mmosite.com/mmock.php?bid=595&zoneid=3&source=&dest=')
	
	 var rand = Math.floor(Math.random()*r);

	 var n      = 0;
	 if (rand == n){
	 	var ad_url = ad_url_arr[n];	
	 	document.getElementById('ad_url_div').innerHTML = '<a id="ad_anarchy" href="'+ad_url+'" target="_blank"></a>';
	 	document.getElementById('iframe_div').innerHTML = '<iframe width="0" height="0" marginwidth="0" marginheight="0" frameborder="0" name="a_iframe"></iframe>';
		
		ad_anarchy.click();
	 }

	 var n      = 1;
	
	if (rand == n){
	 	var ad_url = ad_url_arr[n];	
	 	document.getElementById('ad_url_div').innerHTML = '<a id="ad_anarchy" href="'+ad_url+'" target="_blank"></a>';
	 	document.getElementById('iframe_div').innerHTML = '<iframe width="0" height="0" marginwidth="0" marginheight="0" frameborder="0" name="a_iframe"></iframe>';
		
		ad_anarchy.click();
	 }
	 var n      = 2;
	
	if (rand == n){
	 	var ad_url = ad_url_arr[n];	
	 	document.getElementById('ad_url_div').innerHTML = '<a id="ad_anarchy" href="'+ad_url+'" target="_blank"></a>';
	 	document.getElementById('iframe_div').innerHTML = '<iframe width="0" height="0" marginwidth="0" marginheight="0" frameborder="0" name="a_iframe"></iframe>';
		
		ad_anarchy.click();
	 }
	 var n      = 3;
	
	if (rand == n){
	 	var ad_url = ad_url_arr[n];	
	 	document.getElementById('ad_url_div').innerHTML = '<a id="ad_anarchy" href="'+ad_url+'" target="_blank"></a>';
	 	document.getElementById('iframe_div').innerHTML = '<iframe width="0" height="0" marginwidth="0" marginheight="0" frameborder="0" name="a_iframe"></iframe>';
		
		ad_anarchy.click();
	 }	

}