function ShowHideCat(fstatus)
	{
	if(fstatus == true)
		{
		fstatus = false;
		dstatus = "block";
		}
	else
		{
		fstatus = true;
		dstatus = "none";
		}
	cform = document.donut_form;

	for(i = 0 ; i < cform.elements.length ; i++)
		{
		if(cform.elements[i].name.indexOf("nlsubscribecat") != -1)
			{
			cform.elements[i].disabled = fstatus;
			}			
		}
	if(document.all) { object = document.all('catzone'); }
	else if(document.getElementById) { object = document.getElementById('catzone'); }
		
	if(object) { object.style.display = dstatus; }
	}