last_tab = 'tab1';
	function show(layerName) { 
		document.getElementById(layerName).style.display = '';
	} 

	function hide(layerName) { 
		document.getElementById(layerName).style.display = 'none';
	} 

	function show_next(tab_name) {
		document.getElementById(last_tab).className = 'tab';
		var curr = document.getElementById(tab_name);
		curr.className='tab_hover';
		hide(last_tab+'_data');
		show(tab_name+'_data');
		last_tab=tab_name;
	}
	
	function MM_jumpMenu2(targ,selObj,restore){ //v3.0
  	eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  	if (restore) selObj.selectedIndex=0;
	}


	last_ltab = 'ltab1';
	function Latestshow(layerName) { 
		document.getElementById(layerName).style.display = '';
	} 

	function Latesthide(layerName) { 
		document.getElementById(layerName).style.display = 'none';
	} 

	function Latestshow_next(ltab_name) {
		document.getElementById(last_ltab).className = 'ltab';
		var curr = document.getElementById(ltab_name);
		curr.className='ltab_hover';
		Latesthide('Latest'+last_ltab+'_data');
		Latestshow('Latest'+ltab_name+'_data');
		last_ltab=ltab_name;
	}