function swapState(groupId,tabId)
{
	for(var i=1;i<=3;i++)
	{
		document.getElementById(groupId+'t'+i).className="left";
		document.getElementById(groupId+i).style.display='none';
	}
	
	document.getElementById(groupId+'t'+tabId).className="left selected";
	document.getElementById(groupId+tabId).style.display='block';
}