var openedTab = null;
var selectedTD = null;
var inputlasttab = null;

function swapTabs( tabId ){
	
     if (openedTab)		openedTab.style.display='none';
     if( selectedTD )	selectedTD.style.backgroundColor = '3b5998'; 
     
     openedTab = document.getElementById( tabId );
     openedTab.style.display = 'block';    
     
     selectedTD = document.getElementById( tabId + 'Page' );
     selectedTD.style.backgroundColor   = '47970e'; 
     
     var foc_id  = document.getElementById( 'selected_foc_id' );
     foc_id.value = tabId;
     
     
}