function toggle(target)
{
	obj=document.getElementById(target+'-b');
	obj.style.display=( (obj.style.display=='none') ? '' : 'none');

	obj=document.getElementById(target+'-m');
	obj.style.display=( (obj.style.display=='none') ? '' : 'none');
}

function toggle_order(target)
{
	obj=document.getElementById(target+'-b');
	obj.style.display='none';

	obj=document.getElementById(target+'-m');
	obj.style.display='none';

	obj=document.getElementById(target+'-o');
	obj.style.display='';
}

function toggle_dubbel(target)
{
	obj=document.getElementById(target+'-d');
	obj.style.display=( (obj.style.display=='none') ? '' : 'none');

	obj=document.getElementById(target+'-nd');
	obj.style.display=( (obj.style.display=='none') ? '' : 'none');
}