function fkt_popuplayer_TurnLayerOn(id)
{
	document.getElementById(id).style.visibility = 'visible';
}

function fkt_popuplayer_TurnLayerOff(id)
{
	document.getElementById(id).style.visibility = 'hidden';
}

function fkt_popuplayer_dontShow(id)
{
	fkt_popuplayer_TurnLayerOff(id);
}

function fkt_popuplayer_show(id)
{
	fkt_popuplayer_TurnLayerOn(id);
}

/*
function fkt_popuplayer_mustShowLayer(id)
{
	var img = new Image();
	img.onerror = fkt_popuplayer_dontShow(id);
	img.onload = fkt_popuplayer_show(id);
	img.src = '...';
}
window.setTimeout("fkt_popuplayer_mustShowLayer()",1000);
*/