function RTrim(s) {
	return s.replace(/ +$/,"")
}

function LTrim(s) {
	return s.replace(/^ +/,"")
}

function Trim(s) {
	return RTrim(LTrim(s))
}

function nwindow(url, wd, hd, scrol, wname) {
	if (window.ddd) { ddd.close(); }
	var left = '45%';
	var top = '45%';
	ddd=window.open(url,wname,'width='+wd+',height='+hd+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars='+scrol+',resizable=yes,left=400,top=300');
	ddd.focus();
}

function submit_form() {
	var from = document.getElementById('from').value;
	var to = document.getElementById('to').value;
	if (from != '' && to != '') {
		document.getElementById('taxi').submit();
	}
}