var numsevens = 0;

function addsecret(id){
 var theseven = document.getElementById(id);
 theseven.style.backgroundImage = 'url(/images/secret7.png)';
 theseven.onclick = null;
 numsevens++;

 if(numsevens==7){
  var ContextWindow = window.open('/radio2', 'luckyradio','resizable=0,scrollbars=0,toolbar=0,status=0,left=30,top=50,width=500,height=343');

  if (ContextWindow && !ContextWindow.closed)
		ContextWindow.focus();

 }
}