var how_many_ads =2;
						var now = new Date()
						var sec = now.getSeconds()
						var ad = sec % how_many_ads;

						if (ad==0) 
							{
								var url="http://www.forum-intrusion.com/quiz/quiz.php";
							    var src="http://www.forum-intrusion.com/image/quiz.gif";
								//var src="http://127.0.0.1/forum/image/quiz.gif";
								var width="110";
								var height="50";
								var border ="0";
							}
						if (ad==1) 
							{
								var url="http://www.forum-intrusion.com/snort/snort.html";
								var src="http://www.forum-intrusion.com/image/vignette1.gif";
								//var src="http://127.0.0.1/forum/image/vignette1.gif";
								var width="110";
								var height="50";
								var border ="0";
							}
								
							document.write('<a href=\"' + url+'\">' + '<img src=\"' + src+ '\"' + 'border=' +border+ 'width='+width+'height='+height +'></a>' );