function openPage(url, width, height) {
	if (width == undefined)
		width = 600;
	if (height == undefined)
		height = 400;
	var w = screen.width / 2 - width / 2;
	var h = screen.height / 2 - height / 2;
	var specs = 'location=no,status=no,toolbar=no,scrollbars=yes,resizable=yes';
	specs += ',width=' + width + ',height=' + height;
	specs += ',left=' + w + ',top=' + h;

	var child = window.open(url, '_blank', specs);
	return false;
}
function selectOption(select, value) {
	if (select==null || value==null)
		return null;
	var strValue = typeof value == "string" ? value : value.toString();
	for(i = 0; i < select.options.length; i++) {
		var o = select.options[i];
		if (o.value.toUpperCase() == strValue.toUpperCase()) {
			o.selected = true;
			return o;
		}
	}
	return null;
}
function cache_images(urls) {
	if (document.images && urls) {
		for (i = 0; i < urls.length; ++i) {
			var img = new Image();
			img.src='/110114.1441/images/' + urls[i];
		}
	}
}
function addOption(select, text, value) {
	new_option = new Option(text, value);
	select.options[select.options.length] = new_option;
	return new_option;
}
function selectRadio(name, value) {
	var a = document.getElementsByName(name);
	if (a == null)
		return;
	var i = 0;
	for (; i < a.length; ++i) {
		var o = a[i];
		if (o.value == value) {
			o.checked = true;
		}
        }
}
function getRadioValue(name) {
	var a = document.getElementsByName(name);
	if (a == null)
		return "";
	var i = 0;
	for (; i < a.length; ++i) {
		var o = a[i];
		if (o.checked) {
			return o.value;
		}
        }
	return "";
}
function statusClicked(c,ids) {
	var disabled=true;
	if (!c) return;
	if(c.checked){disabled=false;}
	for (x=0;x<ids.length;++x) {
		var d=document.getElementById(ids[x]);
		if(d) d.disabled=disabled;
	}
}
function changeDisplay(id,value) {
	var o=document.getElementById(id);
	if (o) o.style.display=value;
}
function changeDisplays(ids,value) {
	if (ids==null) return;
	for (x=0;x<ids.length;++x){
		changeDisplay(ids[x], value);
	}
}
function setDisabled(element, disabled) {
	if (!element) {
		return false;
	}
	element.disabled = disabled;
	return true;
}

function add_select_enter_submit(select_id, callback)
{
	var select = document.getElementById(select_id);
	if (!select)
	{
		return false;
	}
	select.onkeydown = function(e)
	{
		e = e || window.event;
        if (e.keyCode == 13)
        {
			callback();
			return false;
		}
	};
}

function showTool(select)
{
	if (select.value.length == 0)
		return;

	var height = 360;
	var width = 700;
	if (select.value.indexOf("survey.cgi") != -1)
		width += 100;
	else if (select.value.indexOf("pingtest.cgi") != -1)
		height += 10;
	else if (select.value.indexOf("discovery.cgi") != -1) {
		height = 620;
		width = 900;
	}

	openPage(select.value, width, height);
	select.selectedIndex = 0;
}

function secsToCountdown(seconds, day_str, days_str) {
	var days = (seconds / 86400) | 0;
	var hours = "" + (((seconds / 3600) | 0) % 24);
	var minutes = "" + (((seconds / 60) | 0) % 60);
	var secs = "" + (seconds % 60);

	var result = (hours.length < 2 ? "0" : "") + hours + ":"
			+ (minutes.length < 2 ? "0" : "") + minutes + ":"
			+ (secs.length < 2 ? "0" : "") + secs;

	if (days > 0) {
		result =  "" + days + " " + ((days == 1) ? day_str : days_str) + " " + result;
	}

	return result;
}


/*
	parseUri 1.2.1
	(c) 2007 Steven Levithan <stevenlevithan.com>
	MIT License
*/
function parseUri (str) {
	var	o   = parseUri.options,
		m   = o.parser[o.strictMode ? "strict" : "loose"].exec(str),
		uri = {},
		i   = 14;

	while (i--) uri[o.key[i]] = m[i] || "";

	uri[o.q.name] = {};
	uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
		if ($1) uri[o.q.name][$1] = $2;
	});

	return uri;
};

parseUri.options = {
	strictMode: false,
	key: ["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],
	q:   {
		name:   "queryKey",
		parser: /(?:^|&)([^&=]*)=?([^&]*)/g
	},
	parser: {
		strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
		loose:  /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
	}
};
/*end of parseUri 1.2.1*/
/*
 * depends on:
 *     ajax.js
 *
 * TODO: cache elements instead of querying them everytime
 */
function IPList(selectId,inputId,refreshImgId) {
	this.selectId = selectId;
	this.inputId = inputId;
	this.imgId = refreshImgId;
	this.started = false;
	this.conn = null;
	var me = this;

	this.refreshStarted = function() {
		var r = document.getElementById(me.selectId);
		if (r) setDisabled(r, true);
		r = document.getElementById(me.imgId);
		if (r) { r.src='/110114.1441/images/loading.gif'; }
		me.started = true;
	}
	this.refreshStopped = function() {
		var r = document.getElementById(me.selectId);
		if (r) setDisabled(r, false);
		r = document.getElementById(me.imgId);
		if (r) { r.src='/110114.1441/images/refresh.png'; }
		me.started = false;
	}
	this.triggerManual = function() {
		var s = document.getElementById(me.selectId);
		setDisabled(document.getElementById(me.inputId), (s.selectedIndex != 0));
	}
	this.update = function() {
		if (me.started) {
			return false;
		}
		me.refreshStarted();
		if (this.conn) {
			this.conn.abort();
		} else {
			this.conn = new ajax();
		}
		var s = document.getElementById(me.selectId);

		var oldVal = s.options[s.selectedIndex];
		if (!this.conn.get('ipscan.cgi?a='+new Date().getTime(),
			function(req) {
				var o = document.getElementById(me.selectId);
				if (o) {
					o.length = 1;
					if (req.status == 200) {
						var ips = req.responseText.split("\n");
						for (i = 0; i < ips.length; ++i) {
							var ip = ips[i];
							if (ip.length > 0) {
								addOption(o, ip, ip);
							}
						}
					}
					selectOption(o, oldVal.value);
				}
				me.refreshStopped();
			})) {
			me.refreshStopped();
		}

		return true;
	}

	this.update();
	this.triggerManual();

	var s = document.getElementById(this.selectId);
	s.onchange = this.triggerManual;
	s = document.getElementById(this.imgId);
	s.onclick = this.update;

	return this;
}

function toFixed(value, precision) {
	var power = Math.pow(10, precision || 0);
	var s = (Math.round(value * power) / power).toString();
	if (s.indexOf('.') == -1) s += '.';
	while (s.length < s.indexOf('.') + precision + 1) s += '0';
	return s;
}