a = 2 // a=numbers of banners 
var slump = Math.random(); 
var talet = Math.round(slump * (a-1))+1; 
function create() { 

this.width = '' 
this.height = '' 
this.src = '' 
this.href = '' 
this.border = '' 
this.alt = '' 
this.under = '' 
} 

b = new Array() 
for(var i=1; i<=a; i++) { b[i] = new create() } 
b[1].src = "images/sw.jpg" 
b[1].href = "http://www.165e.com/hb_webapps/ywxc4_1_5.html" 
b[1].width = "614" 
b[1].height = "88" 
b[1].border = "0" 
 

b[2].src = "images/sw.jpg" 
b[2].href = "http://www.165e.com/hb_webapps/ywxc4_1_5.html" 
b[2].width = "614" 
b[2].height = "88" 
b[2].border = "0" 



var visa = ""; 

visa += '<a href="'+b[talet].href+'">'
visa += '<img src="'+b[talet].src+'" height='+b[talet].height 
visa += ' width='+b[talet].width+' border='+b[talet].border+' alt='+b[talet].alt+'>'; 
visa += '</a>' 

document.write('<CENTER>'+visa+'<br>'); 
document.write(b[talet].under+'</center>');