//---------------------------------------------------------------------------------------------------------
//	DHTML JavaScript (ver 1.0.0)
//---------------------------------------------------------------------------------------------------------

var W3C = document.getElementById ? true : false;
var NN4 = document.layers ? true : false;
var IE4 = document.all ? true : false;

//-------------------------------------------------------------------------------------------------------
//	Show menus
//-------------------------------------------------------------------------------------------------------
function show(layerName, alignObj)
{
	// get object
	var obj;
	if(W3C)
		obj = document.getElementById(layerName);
	else if(IE4)
		obj = document.all[layerName];
	else if(NN4)
		obj = document.layers[layerName];

	if(!obj || obj == null)
		return;

	// display
	if(W3C)
		obj.style.visibility = "visible";
	else if(IE4)
		obj.style.visibility = "visible";
	else if(NN4)
		obj.visibility = "show";
		
	if (alignObj)
	{
		obj.style.top = findPosY(alignObj) + 5;
		obj.style.left = findPosX(alignObj) + 240;
	}
}

//-------------------------------------------------------------------------------------------------------
//	Hide menu
//-------------------------------------------------------------------------------------------------------
function hide(layerName)
{
	// get object
	var obj;
	if(W3C)
		obj = document.getElementById(layerName);
	else if(IE4)
		obj = document.all[layerName];
	else if(NN4)
		obj = document.layers[layerName];

	if(!obj || obj == null)
		return;

	// hide
	if(W3C)
		obj.style.visibility = "hidden";
	else if(IE4)
		obj.style.visibility = "hidden";
	else if(NN4)
		obj.visibility = "hidden";
}