// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults
	var xmlhttp;
	var external_ad_interval = 10000;
	function showAd()
	{
		xmlhttp=null;
		if (window.XMLHttpRequest)
		  {// code for all new browsers
		  xmlhttp=new XMLHttpRequest();
		  }
		else if (window.ActiveXObject)
		  {// code for IE5 and IE6
		  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
		  }
	
		if (xmlhttp!=null)
		  {
		  xmlhttp.onreadystatechange=state_Change;
		  xmlhttp.open("GET","/ad/show_ad",true);
		  xmlhttp.send(null);
		  }
		else
		  {
		  alert("Your browser does not support XMLHTTP.");
		  }
	}

	function state_Change()
	{
		if (xmlhttp.readyState==4)
		  {// 4 = "loaded"
		  if (xmlhttp.status==200)
		    {// 200 = OK
			document.getElementById('ad-message').innerHTML = xmlhttp.responseText;
		    }
		  }
	}
	 function sleep(delay)
 	{
	     var start = new Date().getTime();
	     while (new Date().getTime() < start + delay);
	 }