function newWindow(openurl, width, height, name)
{
	var Win = window.open(openurl, name, 'width=' + width + ',height=' + height + ',resizable=no,menubar=no');
}

function showItem(id)
{
	document.getElementById(id).style.display = '';
}

function hideItem(id)
{
	document.getElementById(id).style.display = 'none';
}

function toggleItem(id)
{
	if (document.getElementById(id).style.display == '')
		document.getElementById(id).style.display = 'none';
	else
		document.getElementById(id).style.display = ''
}