function wop(url,wnd_name,width,height)
{
	w=window.open(url,wnd_name,'width='+width+',height='+height+',status=no,menubar=no,resizable=yes,scrollbars=yes,left='+String((screen.width-width)/2)+',top='+String((screen.height-height)/2));
	w.focus();
	return w;
}

function wopen(url, wnd_name, width, height) 
{
	var w = window.open(url,wnd_name,"location=yes,menubar=yes,resizable=yes,scrollbars=yes,status=yes,toolbar=yes"+String((width > 0)?(",width="+width):"")+String((height > 0)?(",height="+height):""));
	w.focus();
	return w;
}

function votopen(url)
{
	var newwindow = window.open(url, 'Votings', 'titlebar=no,scrollbars=yes,left=20,top=25,width=450,height=400,resizable=1');
	newwindow.focus();
	return newwindow;
}