var c=0
var t

function timedCount()
{
  
  ob = document.getElementById('balloon');
  obclose = document.getElementById('closeButton');
  obclose.style.opacity = ob.style.opacity = c;
  obclose.style.filter = ob.style.filter = 'alpha(opacity = ' + (c*100) + ')';

  c=c+0.02
  if(c <= 0.9)
    t=setTimeout("timedCount()",1);
  else
    t=0;
}