// ShowHide function

function ShowHide(layer_open, layer_close) {
	if (layer_open != '')
	{
		expandLayer(layer_open);
	}	
	if (layer_close != '')
	{
		expandLayer(layer_close);
	}
}	
function expandLayer(name)
{
	var itm = null;

	if (document.getElementById)
	{

		itm = document.getElementById(name);
	}
	else if (document.all)
	{
		itm = document.all[name];
	}
	else if (document.layers)
	{
		itm = document.layers[name];
	}
		
	if (!itm)
	{
		// Just don't panik, it's ok
	}
	else if (itm.style)
	{
		if (itm.style.display == "none")
		{ 
			itm.style.display = ""; 
		}
		else
		{ 
			itm.style.display = "none"; 
		}
	}
	else
	{
		itm.visibility = "show"; 
	}
}