function thumbs_DoFScommand(a,b) {
	
	if (document.getElementById) 
		mn=document.getElementById(a);	
	else 
		mn=document.all[a];	
		
	if (document.getElementById) 
		mm=document.getElementById(b);	
	else 
		mm=document.all[b];	

	if (mn) 
		mn.style.display = 'block';
	if (mm) 
		mm.style.display = 'none';

}