function ShowBanner() 
{
    var n;
    var banners = new Array(
	"drweb2.gif", "DrWeb", "http://www.konstanta.com/prog/20100520061331",
        "about.gif", "About", "http://www.konstanta.com/about","biolink.gif", "Biolink", "http://www.konstanta.com/system/bio",
	"ban2.gif", "System", "http://www.konstanta.com/system","intel.gif", "Intel", "http://www.intel.ru"
    )
                                    
    n = Math.floor(Math.random()*(banners.length/3));
    document.write('<a _target=blank href="'+banners[n*3+2]+'"><img src=/images/'+banners[n*3]+ ' alt="'+banners[n*3+3] +'" border=0 height=60 width=468> </a>');

}