var menu;
var theTop = 10;
var old = theTop;
var scrollIt = true;

function init()
{
	menu = new getObj('balloon');


	movemenu();
}

function movemenu()
{

		if (window.innerHeight)
		{
			  pos = window.pageYOffset
		}
		else if (document.documentElement && document.documentElement.scrollTop)
		{
			pos = document.documentElement.scrollTop
		}
		else if (document.body)
		{
			  pos = document.body.scrollTop
		}
		if (pos < theTop) pos = theTop;
		else pos += 30;
		if (pos == old)
		{
			menu.style.top = pos;
		}
		old = pos;

	temp = setTimeout('movemenu()',500);
}

function getObj(name)
{
  if (document.getElementById)
  {
  	this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;
  }
  else if (document.all)
  {
	this.obj = document.all[name];
	this.style = document.all[name].style;
  }
  else if (document.layers)
  {
   	this.obj = document.layers[name];
   	this.style = document.layers[name];
  }
}