function go(url) {
	var form = document.getElementById('redirect_form');
	form.action = url;
	form.method='post';
	form.submit();
}

function gohome(host) {
	go("http://" + host);
}

function goa(arr) {
	var url = "";
	var len = arr.length;
	for(var i = 0; i < len; i++) {
		if(len > 1 && i == 0 && arr[i] == '')
			continue;
		if(i == 0 && arr[i] == 'http:') {
			url += arr[i];
		} else {
			url += "/" + arr[i];
		}
	}
	go(url);
}