var rndnum;
var numads = 5;

var bannerlink = Array(5);
bannerlink[0] = "http://www.deepersounds.com";
bannerlink[1] = "http://www.caminoblue.com";
bannerlink[2] = "http://www.cintamani.net";
bannerlink[3] = "http://www.strictly-digital.com";
bannerlink[4] = "mailto:info@advection.co.uk";

rnd.today=new Date();
rnd.seed=rnd.today.getTime();

function rnd() 
{
        rnd.seed = (rnd.seed*9301+49297) % 233280;
        return rnd.seed/(233280.0);
}

function rand(number) 
{
  return Math.ceil(rnd()*number);
}


function getRand(seed)
{
  rndnum = rand(seed);
  rndnum = rndnum-1;
}



function cyclead()
{
  getRand(numads);
  document.getElementById('adsection').innerHTML='<a href="'+bannerlink[rndnum]+'" target=\"banner\"><img src="images/right_banner_'+(rndnum+1)+'.jpg" border=0></a>';
  setTimeout("cyclead()",10000);

}

function openwindow(width,height,page)
{
var win = window.open(page,"mwindow","resizable=0,scrollbars=0,toolbar=0,location=0,menubar=0,center=1,status=0,width="+width+",height="+height+",top=0,left=0");
win.window.focus();
}