function newWindow(url, width, height) {
	width = width > 0 ? width : 500;
	height = height > 0 ? height : 400;
	window.open(url,null,'width='+width+',height='+height+',status=no,toolbar=no,menubar=no,location=no,scrollbars=yes');
	return false;
}

function getTimeZone() {
	now=new Date();
	return Math.round(-now.getTimezoneOffset()/60);
}