var popupFeatures = 'location=0,status=0,menubar=0,toolbar=0,directories=0,scrollbars=1,width=450,height=400';

function event_popup(e) {
	var eventTarget = find_target(e);
	if (!eventTarget) return;
	var features = popupFeatures;
    if (eventTarget.getAttribute('popup')) {
		var features = eventTarget.getAttribute('popup');
	}
	var thisTarget = '_blank';
    if (eventTarget.getAttribute('target')) {
		var thisTarget = eventTarget.getAttribute('target');
	}
    var theWindow = window.open(eventTarget.getAttribute('href'), thisTarget, features);
    theWindow.focus();
    return false;
}