function openPopup(url){
	newwindow = window.open(url,'Actuaquiz','resizable=0,height=468,width=770,scrollbars=no,toolbar=no,location=no,status=no');
	if (window.focus) newwindow.focus();
	return false;
}
//facebook simple sharing
function openFacebook(url){
	newwindow = window.open('http://www.facebook.com/share.php?u=' + url,'Facebook','resizable=1,height=650,width=1020,toolbar=no,scrollbars=yes,location=no,status=no');
	if(window.focus) newwindow.focus();
}
//twitter simple sharing
function openTwitter(url){
	newwindow = window.open('http://twitter.com/home?status=Speel mee met De Standaard ActuaQuiz op ' + url,'Twitter','resizable=1,height=650,width=1020,toolbar=no,scrollbars=yes,location=no,status=no');
	if(window.focus) newwindow.focus();
}