//Returns the style object for a given ID
function layerGetByName(LayerID){
	var Layer = new Object;
	if(isBrowserExplorer())
		Layer = eval(LayerID + ".style");
	else
		Layer = document.getElementById(LayerID).style;
		
	return (Layer);
}

//Hides a layer (paramater is an object)
function layerHide(Layer){
	Layer.visibility = "hidden";
	Layer.display	 = "none";
}

//Shows a layer (paramater is an object)
function layerShow(Layer, bBlock){
	Layer.visibility  = "visible";
	
	if(bBlock == true)
		Layer.display = "block";
	else
		Layer.display = "inline";
}