function checkblock()
{
	try
	{
		img = document.getElementById("adblocktest");

		if(!img.width || (img.style.display.match(/none/) || img.style.visibility.match(/hidden/)))
		{
		}
		else
		{
			return;
		}
	}
	catch(e)
	{
	}

	try
	{
		img = document.getElementById("adblockshow");
		img.setAttribute("class","adblockimage");
		img.setAttribute("className","adblockimage");
		img.setAttribute("src","http://www.whiwa.net/images/adblock/warning.jpg");
	}
	catch(e)
	{
	}
}

window.onload = function()
{
	setTimeout("checkblock()",1000);
}