function togglevis(clicker, clickee)
{
	if(clicker.className == 'name-expand') 
	{
	    clicker.className = 'name-contract';
	    new Effect.BlindDown(clickee, 'slide', {duration:0.1});
	} 
	else
	{
	    clicker.className = 'name-expand';
	    new Effect.BlindUp(clickee, 'slide', {duration:0.1});
	}
}