function popupWindow(url, width, height) {
	popWin = window.open(url, 'popWin', 'toolbar=no,location=no,scrollbars=no,width=' + width + ',height=' + height)
}

function setEventHandler(target, eventType, eventHandler) {	
	if (window.addEventListener) {
		target.addEventListener(eventType, eventHandler, false);
	}
	else {
		target.attachEvent('on' + eventType, eventHandler);
	}
}