function loadRandomSWF(divid){
var randomnumber=Math.floor(Math.random()*4);
var link = "/promotion/sun_tower.aspx";
if(randomnumber == 0)
 link = "/promotion/sun_tower.aspx";
if(randomnumber == 1)
 link = "/promotion/sun_tower.aspx";
if(randomnumber == 2)
 link = "/promotion/sun_tower.aspx";
if(randomnumber == 3)
 link = "/promotion/sun_tower.aspx";
if(randomnumber == 4)
 link = "/promotion/sun_tower.aspx";

var so = new SWFObject('/flash/ban'+randomnumber+'.swf', 'sotester11', '237', '164', '', '');
so.addParam('scale', 'noscale');
so.addParam('movie', '/flash/ban'+randomnumber+'.swf');
so.addParam('quality', 'high');
so.addParam('wmode', 'opaque');
so.addVariable('clickTAG', link);
so.write(divid);
}