function draw()
{
	AjaxMethods.Draw(
	    document.getElementById("ticker").value, 
	    draw_callback);
}

function draw_callback(res)
{
	if(typeof(res.value) == 'object')
	{
		try
		{
			var oChild = document.getElementById("imageholder").children(0);	
			if (oChild!=null)
				document.getElementById("imageholder").removeChild(oChild);
		}
		catch(x)
		{
		}

		document.getElementById("imageholder").innerHTML = '';
		if (res.value) document.getElementById("imageholder").appendChild(res.value);
	}
}