function ChangePanel(id)
{
	var first = 1;
	var last = 6;

	for (i=first;i<=last;i++)
	{
		document.getElementById('panel' + i).style.display = 'none';
		document.getElementById('tab' + i).className = 'tab';
	}

	document.getElementById('panel' + id).style.display = 'block';
	document.getElementById('tab' + id).className = 'tab tabselected';
}