var m_szProtocol = window.location.protocol ;
var m_szHostName = window.location.host ;
var m_szPort     = window.location.port ;

//var m_szURL = m_szProtocol + '//' + m_szHostName + ":" + m_szPort + '/cgi-bin/' ;
var m_szURL = m_szProtocol + '//' + m_szHostName + '/cgi-bin/cmd/' ;
var m_szURL_login = m_szProtocol + '//' + m_szHostName + '/cgi-bin/' ;

var m_szUser = "" ; 
var m_szPWD  = "" ;
var m_szAuth = "" ;
var m_szPorfileId = "" ;
var m_authorize = "" ;
var m_sensor_board = "" ;

var m_flag_Media = 1 ;
var m_szSelectedMenu = 'HOST' ;
var m_preview = 0 ;
var async = '' ;
var control_port = '' ;

//for ptz speed
var panSpeed = 3 ;
var tiltSpeed = 3 ;
var zoomSpeed = 5 ;

function doRequest(v) {
	var request;
	
    if(m_szUser!="" && m_szPWD!=""){
		v = m_szURL + v ;
	}
	else{
		v = m_szURL_login + v ;
	}
	
    try {   request = new XMLHttpRequest();
    } catch(e) {
        try {   request = new ActiveXObject("MSXML2.XMLHTTP.3.0");;
        } catch(e) {
            try {   request = new ActieXObject("Msxml2.XMLHTTP");
            } catch(e) {
                try {   request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch(e) {    alert("You cannot run this web");
	                return false;
                }
            }
        }
    }

    try {
		
        request.open("GET", v , false, m_szUser, m_szPWD) ;
		request.setRequestHeader("Cache-Control","no-cache");
		request.setRequestHeader("Content-Type", "text/plain;charset=utf-8");
		request.setRequestHeader("Pragma","no-cache");
		request.setRequestHeader("Expires","0");
		request.setRequestHeader("Last-Modified","Wed, 1 Jan 1997 00:00:00 GMT");
		request.setRequestHeader("If-Modified-Since","01");
        request.send();
        
        return request.responseText;

    } catch(e) {
        alert(v +'\n'+ e.description);
    }
	
	var request = null ;
}

function doRequestXML(v) {
	var xmlhttp;
	
    if(m_szUser!="" && m_szPWD!=""){
		v = m_szURL + v ;
	}
	else{
		v = m_szURL_login + v ;
	}
	
    try {   xmlhttp = new XMLHttpRequest();
    } catch(e) {
        try {   xmlhttp = new ActiveXObject("MSXML2.XMLHTTP.3.0");;
        } catch(e) {
            try {   xmlhttp = new ActieXObject("Msxml2.XMLHTTP");
            } catch(e) {
                try {   xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
                } catch(e) {    alert("You cannot run this web");
	                return false;
                }
            }
        }
    }

    try {
		
        xmlhttp.open("GET", v , false, m_szUser, m_szPWD) ;
		xmlhttp.setRequestHeader("Cache-Control","no-cache");
		xmlhttp.setRequestHeader("Content-Type", "text/xml;charset=utf-8");
		xmlhttp.setRequestHeader("Pragma","no-cache");
		xmlhttp.setRequestHeader("Expires","0");
		xmlhttp.setRequestHeader("Last-Modified","Wed, 1 Jan 1997 00:00:00 GMT");
		xmlhttp.setRequestHeader("If-Modified-Since","01");
        xmlhttp.send();
        
        return xmlhttp.responseXML;

    } catch(e) {
        alert(v +'\n'+ e.description);
    }
	
	var xmlhttp = null ;
}

function doXMLDOMRequest(v) {
	var url = m_szURL + "system?" ;
	url += "USER=" + m_szUser + "&PWD=" + m_szPWD + "&";
	url += v;

	xmlReturn = new ActiveXObject("Microsoft.XMLDOM");
	xmlReturn.async="false";
	xmlReturn.load(url);

	return xmlReturn;
}

function doXMLDOMRequestAsync(v, func) {
	var url = m_szURL + "system?" ;
	url += "USER=" + m_szUser + "&PWD=" + m_szPWD + "&";
	url += v;

	xmlReturn = new ActiveXObject("Microsoft.XMLDOM");
	xmlReturn.async = "true";
	xmlReturn.load(url);
	//xmlReturn.onReadyStateChange = func;
	//xmlReturn.open("GET", url, 1);
	//xmlReturn.send(void);

	return xmlReturn;
}

function loadXML(file)
{
	//load xml file
	//// code for IE
	if (window.ActiveXObject)
	{
		xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
		xmlDoc.async=false;
		xmlDoc.load(file);
	}
	else if (document.implementation &&
			document.implementation.createDocument)
	{
		try { // code for Mozilla, Opera etc.
			xmlDoc= document.implementation.createDocument("","",null);
			xmlDoc.load(file);
		} catch (e) { // code for Safari .
			xmlDoc = new XMLHttpRequest ();
			xmlDoc.open ("GET", file, false);
			xmlDoc.send();
			xmlDoc = xmlDoc.responseXML;
		}
	}
	else
	{
		alert('Your browser cannot handle this script');
	}

	return xmlDoc;
}

function loadXMLDoc(dname)
{
	if (window.XMLHttpRequest)
	{
		xhttp=new XMLHttpRequest();
	}
	else
	{
		xhttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	xhttp.open("GET",dname,false);
	xhttp.send();
	return xhttp.responseXML;
} 


function doSplitValue( v ) {
    var r = new Array();
        r[0] = '' ;
        r[1] = '' ;

    if ( v.substr(0,4) != 'ERROR') {
		var equal = v.indexOf ('=');
        if ( equal >= 0 ) {
            r[0] = v.substr(0, equal);
            r[1] = v.substr(equal + 1) ;
            l = r[1].length ;
            if ( r[1].substr(r[1].length-1,1) == '\'') r[1] = r[1].substr(0, r[1].length-1 ) ;
            if ( r[1].substr(            0,1) == '\'') r[1] = r[1].substr(1, r[1].length-1 ) ;

        }
    }
    else {
        r[0] = 'ERROR' ;
        r[1] = v.substr(6,v.length-6) ;
    }
    
    return r ;
}

function setCookie(name,value) {
	document.cookie = name + "=" + escape(value) + ";";
}

function getCookie(name) {
	if (document.cookie.length > 0)
	{
		var c_name = name;
		var c_start = document.cookie.indexOf(c_name + "=");
		if (c_start!= "-1")
		{ 
			c_start = c_start + c_name.length + 1 ;
			c_end = document.cookie.indexOf(";",c_start);
			if (c_end == "-1")
				c_end = document.cookie.length;
			return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	else {
		return false;
	}
}

function idget(a){
	return document.getElementById(a);
}

function getSetting(name){
	try {
		return xmlsetting.getElementsByTagName(name)[0].getAttribute("VALUE") ;
	} catch (e) {return "Null"}
}

/* functions from KPL */
function frame_extent(){
	window.frameElement.height=document.body.scrollHeight+10;
	window.frameElement.width=document.body.scrollWidth;
}

/* end of functions from KPL */
var ToShow = {

	// private property
	_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

	// public method for encoding
	encode : function (input) {
		var output = "";
		var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
		var i = 0;

		input = ToShow._utf8_encode(input);

		while (i < input.length) {

			chr1 = input.charCodeAt(i++);
			chr2 = input.charCodeAt(i++);
			chr3 = input.charCodeAt(i++);

			enc1 = chr1 >> 2;
			enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
			enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
			enc4 = chr3 & 63;

			if (isNaN(chr2)) {
				enc3 = enc4 = 64;
			} else if (isNaN(chr3)) {
				enc4 = 64;
			}

			output = output +
			this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
			this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

		}

		return output;
	},

	// public method for decoding
	to_display : function (input) {
		var output = "";
		var chr1, chr2, chr3;
		var enc1, enc2, enc3, enc4;
		var i = 0;

		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

		while (i < input.length) {

			enc1 = this._keyStr.indexOf(input.charAt(i++));
			enc2 = this._keyStr.indexOf(input.charAt(i++));
			enc3 = this._keyStr.indexOf(input.charAt(i++));
			enc4 = this._keyStr.indexOf(input.charAt(i++));

			chr1 = (enc1 << 2) | (enc2 >> 4);
			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
			chr3 = ((enc3 & 3) << 6) | enc4;

			output = output + String.fromCharCode(chr1);

			if (enc3 != 64) {
				output = output + String.fromCharCode(chr2);
			}
			if (enc4 != 64) {
				output = output + String.fromCharCode(chr3);
			}

		}

		output = ToShow._utf8_decode(output);

		return output;

	},

	// private method for UTF-8 encoding
	_utf8_encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {

			var c = string.charCodeAt(n);

			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}

		}

		return utftext;
	},

	// private method for UTF-8 decoding
	_utf8_decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;

		while ( i < utftext.length ) {

			c = utftext.charCodeAt(i);

			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}

		}

		return string;
	}

}

function verifyLoginName (name)
{
	var firstChar = true;
	for (var i = 0; i < name.length; i++) {
		if (verifyLoginNameChar (name.substr(i,1), firstChar) == false)
			return false;
		firstChar = false;
	}
	return true;
}

function verifyLoginNameChar (key, firstChar) {
	if (firstChar == true) {
		if ((key >= 'A' && key <= 'Z') ||
				(key >= 'a' && key <= 'z')) {
			ret = true;
		} else {
			alert ("Verify Account Failed.\nThe first character is allowed to A~Z or a~z.");
			ret = false;
		}
	} else {
		if ((key >= 'A' && key <= 'Z') ||
				(key >= 'a' && key <= 'z') ||
				(key >= '0' && key <= '9') ||
				key == '-' || key == '_' ||
				key == '.' || key == '$') {
			ret = true;
		} else {
			alert ("Verify Account Failed.\nOnly A~Z, a~z, 0~9, minus sign (-), underscore (_), period (.) and $ are allowed.");
			ret = false;
		}
	}
	return ret;
}

function verifyPassword (pwd)
{
	for (var i = 0; i < pwd.length; i++) {
		if (verifyPasswordChar (pwd.substr(i,1)) == false)
			return false;
	}
	return true;
}

function verifyPasswordChar (key) {
	if (key >= '!' && key <= '~' &&
			key != ':' && key != '#' && key != '?' && key != '\\' && key != '/' &&
			key != '%' && key != '&' && key != '\'' && key != '\"' && key != ',') {
		ret = true;
	} else {
		alert ("Verify Password Failed.\nStarted from ASCII code 0x21 to 0x7E\nImportant Note:\n10 reserved characters in these printable characters are not allowed.\nThese reserved characters are \':\', \'#\', \'?\', \'/\', \'\\\', \'%\', \'&\', \'\'\', \'\"\', \',\' ");
		ret = false;
	}
	return ret;
}