function moveLayer(layerName,x,y) { //move layer to abs coords
var layer;
	if (document.layers){
		layer = document[layerName];
	}
	else{
		if (document.getElementById) {
			layer = document.getElementById(layerName).style;
		} else {
			layer = document.all[layerName].style;
		}
	}
	if (x != null) layer.left = x;
	if (y != null) layer.top = y;
}