function changeTab(tabId) 
{	
	if ($('#1').attr('className') != 'unactive') { $('#1').attr('className',''); } 
	if ($('#2').attr('className') != 'unactive') { $('#2').attr('className',''); }
	if ($('#3').attr('className') != 'unactive') { $('#3').attr('className',''); }
	if ($('#4').attr('className') != 'unactive') { $('#4').attr('className',''); }
	if ($('#5').attr('className') != 'unactive') { $('#5').attr('className',''); }
	if ($('#6').attr('className') != 'unactive') { $('#6').attr('className',''); }
	if ($('#7').attr('className') != 'unactive') { $('#7').attr('className',''); }
	if ($('#8').attr('className') != 'unactive') { $('#8').attr('className',''); }
	if ($('#9').attr('className') != 'unactive') { $('#9').attr('className',''); }
	if ($('#10').attr('className') != 'unactive') { $('#10').attr('className',''); }
	if ($('#11').attr('className') != 'unactive') { $('#11').attr('className',''); }
	if ($('#12').attr('className') != 'unactive') {  $('#12').attr('className',''); }
	
	$('#'+tabId).attr('className','selected');			
}