function ran()
  { 
    var today=new Date(); 
    var num=today.getTime(); 
    num=Math.round(Math.abs(Math.sin(num)*1000000))%100; 
    return num; 
  }

  function InitAds(div)
  {
	 var i, r, c;
	 adcount = 0;
	 sptime = 10000 + ran()*100;
	 var text = "";
	 
	 
	 for(i=0; i<div.all.length; i++)
	 {
		if(div.all[i].className == "tommad")adcount++;
	 }
	 r = ran() % adcount +1 ;

	 c = 0;

	 for(i=0; i<div.all.length; i++)
	 {
		var subdiv = div.all[i];
		if(subdiv.className != "tommad")continue;
		c++;
		if(c == r)
		{	
			subdiv.style.display = "block";			
		}
		else
		{
			subdiv.style.display = "none";
		}
	 }
	 var s = "InitAds(" + div.id + ")";
	 setTimeout(s,sptime);
  }