function sDefaultImage(source)
{
	source.src = "images/s-noimage.jpg";
	// disable onerror to prevent endless loop
	source.onerror = "";
	return true;
}

function mDefaultImage(source)
{
	source.src = "images/m-noimage.jpg";
	// disable onerror to prevent endless loop
	source.onerror = "";
	return true;
}

function lDefaultImage(source)
{
	source.src = "images/l-noimage.jpg";
	// disable onerror to prevent endless loop
	source.onerror = "";
	return true;
}

function sDefaultDocuImage(source)
{
	source.src = "images/noimage.jpg";
	// disable onerror to prevent endless loop
	source.onerror = "";
	return true;
}