var num = 4;

 var link1 = new Array();
 var link2 = new Array();
 var link3 = new Array();
 var text1 = new Array();
 var text2 = new Array();
 var text3 = new Array();

 link1[0]="http://www.knowlesrealty.com/nassau_bahamas_condo.html";
 link2[0]="http://www.bahamassecurity.com/contact.asp";
 link3[0]="http://www.knowlesrealty.com/bahamas_land_listing6.html";
 text1[0]="Sandyport Ocean View, Bahamas";
 text2[0]="Place your ad here, contact us";
 text3[0]="Hilltop Oceanfront Land, Bahamas";

 link1[1]="http://www.knowlesrealty.com/bahamas_land_listing16.html";
 link2[1]="http://www.knowlesrealty.com/nassau_bahamas_condo.html";
 link3[1]="http://www.bahamassecurity.com/contact.asp";
 text1[1]="Great deals on Bahamas lots!";
 text2[1]="Sandyport Ocean View, Bahamas";
 text3[1]="Place your ad here, contact us";

 link1[2]="http://www.bahamassecurity.com/contact.asp";
 link2[2]="http://www.knowlesrealty.com/bahamas_land_listing15.html";
 link3[2]="http://www.knowlesrealty.com/bahamas_island_resort.html";
 text1[2]="Place your ad here, contact us";
 text2[2]="Commercial Lots, Bahamas";
 text3[2]="Island Resort Hotel, Bahamas";
 
 link1[3]="http://www.knowlesrealty.com/bahamas_island_resort.html";
 link2[3]="http://www.bahamassecurity.com/contact.asp";
 link3[3]="http://www.knowlesrealty.com/bahamas_land_listing16.html";
 text1[3]="Island Resort Hotel, Bahamas";
 text2[3]="Place your ad here, contact us";
 text3[3]="Great deals on Bahamas lots!";


var adnum=Math.round(Math.random()*num)-1;
while(adnum<0 || adnum>num) adnum=Math.round(Math.random()*num)-1;

document.write("<b><font color='#0000CC'>Real Estate</font></b> <img src='http://www.bahamassecurity.com/images/bluearrow_blie.gif' border='0' alt='' width='12' height='8'><a href='"+link1[adnum]+"' target='_blank'>"+text1[adnum]+"</a>")
 

 
document.write("<br><b><font color='#0000CC'>Real Estate</font></b> <img src='http://www.bahamassecurity.com/images/bluearrow_blie.gif' border='0' alt='' width='12' height='8'><a href='"+link2[adnum]+"' target='_blank'>"+text2[adnum]+"</a>")
 

 
document.write("<br><b><font color='#0000CC'>Real Estate</font></b> <img src='http://www.bahamassecurity.com/images/bluearrow_blie.gif' border='0' alt='' width='12' height='8'><a href='"+link3[adnum]+"' target='_blank'>"+text3[adnum]+"</a>")