function GetStyleObject(id)
{
	if (document.getElementById)
	{
		return document.getElementById(id).style;
	}
	else if (document.layers)
	{
		return document.layers[id];
	}
	else if (document.all)
	{
		return document.all[id].style;
	}
	else
	{
		alert("This Browser does not support DHTML. Please use Microsoft Internet Explorer 4.0 or later or Netscape 4.0 or later");
		return flase;
	}
}
function GetIdObject(id)
{
	if (document.getElementById)
		return document.getElementById(id);
	else if (document.layers)
		return document.layers[id];
	else if (document.all)
		return document.all[id];
	else
	{
		alert("This Browser does not support DHTML. Please use Microsoft Internet Explorer 4.0 or later or Netscape 4.0 or later");
		return flase;
	}
}
function MakeVisible(id)
{
	var stl = GetStyleObject(id);
	stl.visibility="visible";
}
function MakeInvisible(id)
{
	var stl = GetStyleObject(id);
	stl.visibility="hidden";
}