var selTab = null;
var selTabItemId = null;

function SyncTreeTab( itemId)
{
	if (itemId != selTabItemId )
	{
		hulp = document.location.href.substring(0,document.location.href.indexOf('top.aspx')+8);
		document.location.href = hulp+"?itemid="+itemId;
	}
}

function setTab( tabNo ) {
	if( selTab != null ) {
		selTab.className = selTab.className.replace('s','');
	}
	if( tabNo > 0 ) 
	{
		var tab = document.getElementById( 'tab'+tabNo );
		if (tab)
		{
			selTabItemId  = tabNo;
			selTab = tab;	
			tab.className = tab.className.replace('mo','');
			tab.className += 's';
		}
	}
}