// JavaScript Document
function bookmark_us(url, title){

	if (window.sidebar) // firefox
    window.sidebar.addPanel(title, url, "");
	else if(window.opera && window.print){ // opera
    var elem = document.createElement('a');
    elem.setAttribute('href',url);
    elem.setAttribute('title',title);
    elem.setAttribute('rel','sidebar');
    elem.click();
}
else if(document.all)// ie
    window.external.AddFavorite(url, title);
}

function blocking(nr)
{
	if (document.getElementById)
	{
		vista = (document.getElementById(nr).style.display == 'block') ? 'none' : 'block';
		document.getElementById(nr).style.display = vista;
	}
}

function noning(nr)
{
	if (document.getElementById)
	{
		vista = (document.getElementById(nr).style.display == 'none') ? 'block' : 'none';
		document.getElementById(nr).style.display = vista;
	}
}

function changeh2(nrh2)
{
	if (document.getElementById)
	{
		if (document.getElementById(nrh2).className == "down") document.getElementById(nrh2).className = "up";
		else if (document.getElementById(nrh2).className == "up") document.getElementById(nrh2).className = "down";
	}
}