function switchTab(tab,obj){
	document.getElementById('searchc').style.display='none';
	document.getElementById('loginc').style.display='none';
	document.getElementById('featuredc').style.display='none';
	document.getElementById('searcht').className='';
	document.getElementById('logint').className='';
	document.getElementById('featuredt').className='';
	document.getElementById(tab).style.display='block';
	obj.className = 'active';
}