function change ( id ) 
{
	var nLinks = document.getElementsByTagName('A').length; 
	for (i=0;i<nLinks;i++) { 
	if(document.getElementsByTagName('A')[i].className == 'active')
	{ document.getElementsByTagName('A')[i].className = 'inactive' } } 

	id.className = 'active'; 
	document.getElementById("content_frame").src = id.href; 
}

function menu_change ( )
{
	var urlquery = new Array(); 
	urlquery = location.href.split("/");

	if(document.getElementById("menu_" + urlquery[3]))
	{document.getElementById("menu_" + urlquery[3]).style.display = 'inline';}
}