function focus() {
    document.form_search.q.focus();
}

function show(arg) {
    document.getElementById(arg).style.display = "block";
}

function hide(arg) {
    document.getElementById(arg).style.display = "none";
}

function showhide(arg)
{
if (document.getElementById(arg).style.display == "none")
	{document.getElementById(arg).style.display = "block";}
else
	{document.getElementById(arg).style.display = "none";}
}
function focusr()
{document.form_registration.login.focus();}

function focus()
{document.form_search.q.focus();}

function shownote(arg)
{document.getElementById(arg).style.display = "block";}

function mail(u, txt, subj, s, d)
{
var l="ilto";
	if (txt == "null")
		{document.write("<a"+" href="+"ma"+l+":"+u+"&#64;"+s+ "." +d+subj+">"+u+"&#64;"+s+ "." +d+"</a>");}
	else
		{document.write("<a"+" href="+"ma"+l+":"+u+"&#64;"+s+ "." +d+subj+">"+txt+"</a>");}	
}