function Deneme(img_name, img_src)
{
	var anInput = "window.document.all." + img_name;
	if (anInput != null)
	{
		var inputOK = eval(anInput);
		if (inputOK != null)
		{
			inputOK.src = img_src;
		}
		else
		{
			alert("null");
			anInput.src = img_src;
		}			
	}
}