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

this.src = ''
this.href = ''
this.alt = ''
this.under = ''
}

d = new Array()
for(var i=1; i<=c; i++) { d[i] = new create() }

d[1].src = "Images/ad_h104_07.gif"
d[1].href = "http://www.lenovo2008.com/shangyong/kaitian_oct/"
d[1].alt = ""

d[2].src = "Images/ad_h104_07.gif"
d[2].href = "http://www.lenovo2008.com/shangyong/kaitian_oct/"
d[2].alt = ""