function showBlock(w, show, hide){
        
		$$('#'+w+' div').each(function(el){
			el.style.display = 'block';
		});
		
        $(show).style.display = 'none';
        $(hide).style.display = 'block';

}
function hideBlock(w, show, hide){
        $$('#'+w+' div').each(function(el){
			el.style.display = 'none';
		});
		
        $(show).style.display = 'block';
        $(hide).style.display = 'none';
}

function showDiv(w, show, hide){
		$(w).style.display = 'block';
		
        $(show).style.display = 'none';
        $(hide).style.display = 'block';

}
function hideDiv(w, show, hide){
        $(w).style.display = 'none';
		
        $(show).style.display = 'block';
        $(hide).style.display = 'none';
}