function show_categs(type)
{
	var cat1 = document.getElementById('cat1');
	var cat2 = document.getElementById('cat2');

	if (type=='featured')
	{
	cat1.disabled = false;
    cat2.disabled = false;
	var row = document.getElementById('row0');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row1');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row2');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row3');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row4');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row5');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row6');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row7');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row8');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row9');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row10');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row11');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	return false;
	}
	if (type=='normal')
	{
	cat1.disabled = true;
    cat2.disabled = true;
    var row = document.getElementById('row0');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row1');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row2');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row3');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row4');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row5');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row6');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row7');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row8');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row9');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row10');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row11');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	return false;
	}
	if (type=='reciprocal')
	{
	cat1.disabled = true;
    cat2.disabled = true;
	var row = document.getElementById('row0');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row1');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row2');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row3');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row4');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row5');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row6');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row7');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row8');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row9');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row10');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row11');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	return false;
	}
	if (type=='free')
	{
	cat1.disabled = true;
    cat2.disabled = true;
	var row = document.getElementById('row0');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row1');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row2');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row3');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row4');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row5');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row6');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row7');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row8');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row9');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	var row = document.getElementById('row10');
	var show = row.style.display == '';
	row.style.display = (show ? '' : '');
	var row = document.getElementById('row11');
	var show = row.style.display == '';
	row.style.display = (show ? 'none' : 'none');
	return false;
	}
}