var setActiveMenuElementById = function(id_s)
{
	var current_de = id_s ? document.getElementById(id_s) : false;

	if (current_de)
	{
		current_de.className = current_de.className.replace('navigation', 'navigation-active');
	}
};

function popUp(image_s)
{
	eval ("window.open('http://www.trivision.nl/ENGINE/TEMPLATES/TRIVISION/NEWS/popup.html?image=" + image_s + "','trivision','toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=400,height=300');");
}