function showLogin()
{
    if(navigator.appName=="Netscape")
    {
        var w=innerWidth;
        var h=innerHeight;
    } else
    {
        var w=document.body.offsetWidth;
        var h=document.body.offsetHeight;
    }

    var mw=(w/2)-125;
    var mh=(h/2)-75;

    document.getElementById('loginbox').style.left=mw;
    document.getElementById('loginbox').style.top=100;

	new Effect.Appear('loginbox');
	
	return false;
}
	
function hideLogin()
{
	//new Effect.Fade('loginbox', {duration:1, from:1, to:0});
	new Effect.DropOut('loginbox');
	
	return false;
}