var nowFocus = 0;

function setFocus(fIndex)
{
	Ext.get('focus_'+nowFocus).fadeOut({callback: function(){
		document.getElementById('focus_'+nowFocus).style.display = 'none';
		document.getElementById('fpages_'+nowFocus).style.display = 'none';
		document.getElementById('fpages_'+fIndex).style.display = '';
		
		nowFocus = fIndex;
		Ext.get('focus_'+nowFocus).fadeIn({callback: function(){}, duration: .6});
	}, duration: .6});
}