var how_many_ads = 4;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;


    if (ad==1) {
    txt="";
    url="http://junesoft.com/cribwiz32.asp";
    alt="";
    banner="images/rotate1.gif";
    width="468";
    height="60";
}


    if (ad==2) {
    txt="";
    url="http://junesoft.com/sysmon.asp";
    alt="";
    banner="images/rotate2.gif";
    width="468";
    height="60";
}


    if (ad==3) {
    txt="";
    url="http://junesoft.com/";
    alt="";
    banner="images/rotate3.gif";
    width="468";
    height="60";
}


    if (ad==4) {
    txt="";
    url="http://cadmentor.com/";
    alt="";
    banner="images/rotate4.gif";
    width="468";
    height="60";
}

document.write('<div align="center">');
document.write('<center>');
document.write('<table border="0" cellpadding="0" cellspacing="0" width="814" height="179">');
document.write('<tr>');
document.write('<td width="200" height="179" rowspan="2" background="images/Bannerleft.jpg">&nbsp;</td>');
document.write('<td width="614" height="62">');
document.write('<left>');
document.write('<a href=\"' + url + '\" target=\"_top\">');
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('alt=\"' + alt + '\" border=1><nowrap><img border="0" src="images/blank.gif" width="20" height="20"><img border="0" src="images/USAW.GIF" width="68" height="50">');
document.write('<small>' + txt + '</small></a>');
document.write('</center>');
document.write('</td>');
document.write('</tr>');
document.write('</left>');
document.write('<tr>');
document.write('<td width="485" height="117" background="images/Bannerright.jpg">');
document.write('<p align="left">&nbsp;</p>');
document.write('</td>');
document.write('</tr>');
document.write('</table>');
document.write('</div>');