function show(num){	
	if(document.getElementById('ccl_'+num).style.display=='none' || document.getElementById('ccl_'+num).style.display==''){
		document.getElementById('ccl_'+num).style.display='block';
		for(i=1;i<=33;i++){			
			if(i!=num)
				document.getElementById('ccl_'+i).style.display='none';
		}
	}
	else
		document.getElementById('ccl_'+num).style.display='none';
}