function aken(url, name, w, h, scroll)
{
	var top = (screen.height-h)/2;
	var left = (screen.width-w)/2;

	var features = 'width='+w+',height='+h+',toolbar=0,status=0,menubar=0,directories=0,location=0,copyhistory=0,resizable=yes,screenx='+left+',screeny='+top+',left='+left+',top='+top;

	if (scroll == 1)
		features += ", scrollbars=no";
	else
		features += ", scrollbars=yes";

	tmp = window.open(url, name, features);
	tmp.focus();
	return(false);
}

function swapimage(imgname, newimage)
{
	eval('document.'+imgname+'.src="/images/nupud/'+newimage+'"');
}

function swapimg(imgname, newimage)
{
	eval('document.'+imgname+'.src="'+newimage+'"');
}

function defaultOnSubmit()
{
	el = document.getElementsByTagName('INPUT');
	for (i = 0; i < el.length; i++)
	{
		e = el[i];
		if (e.type == 'submit' || e.type == 'button')
			e.disabled = true;
	}
}