var menu_expand_c = function()
{
	this.trigger_prefix_s = 'menu_';
	this.trigger_suffix_s = '_child';

	this.setMenuCollapse();
};

menu_expand_c.prototype.setMenuCollapse = function()
{
	var td_a = document.getElementsByTagName('td');

	for (var i_i = 0; i_i < td_a.length; i_i++)
	{
		if (typeof td_a[i_i].id != 'undefined')
		{
			if (td_a[i_i].id.substr(0, this.trigger_prefix_s.length) == this.trigger_prefix_s)
			{
				if (td_a[i_i].id.substr((this.trigger_suffix_s.length / -1), this.trigger_suffix_s.length) == this.trigger_suffix_s)
				{
					td_a[i_i].style.display = 'none';
				}
			}
		}
	}
};

menu_expand_c.prototype.setMenu = function(id_s)
{
	var parent_de = document.getElementById(id_s + '_parent');
		parent_de.className = parent_de.className.replace('out', 'active');

	var child_de = document.getElementById(id_s + '_child');

	if (child_de)
	{
		child_de.style.display = ''
	}
};

function openPanoViewWindow()
{
    window.open('http://www.onderdekastanje.nl/WEBSITE/panoview_odk.html','popup','width=722,height=451,toolbar=no,scrollbars=no,resizable=no,menubar=no,status=no,directories=no,location=no');
}