// for Ajax Code

var sUserAgent = navigator.userAgent;
var fAppVersion = parseFloat(navigator.appVersion);

function compareVersions(sVersion1, sVersion2) {

    var aVersion1 = sVersion1.split(".");
    var aVersion2 = sVersion2.split(".");
    
    if (aVersion1.length > aVersion2.length) {
        for (var i=0; i < aVersion1.length - aVersion2.length; i++) {
            aVersion2.push("0");
        }
    } else if (aVersion1.length < aVersion2.length) {
        for (var i=0; i < aVersion2.length - aVersion1.length; i++) {
            aVersion1.push("0");
        }    
    }
    for (var i=0; i < aVersion1.length; i++) {
 
        if (aVersion1[i] < aVersion2[i]) {
            return -1;
        } else if (aVersion1[i] > aVersion2[i]) {
            return 1;
        }    
    }
    return 0;

}

var isOpera = sUserAgent.indexOf("Opera") > -1;
var isMinOpera4 = isMinOpera5 = isMinOpera6 = isMinOpera7 = isMinOpera7_5 = false;

if (isOpera) {
    var fOperaVersion;
    if(navigator.appName == "Opera") {
        fOperaVersion = fAppVersion;
    } else {
        var reOperaVersion = new RegExp("Opera (\\d+\\.\\d+)");
        reOperaVersion.test(sUserAgent);
        fOperaVersion = parseFloat(RegExp["$1"]);
    }

    isMinOpera4 = fOperaVersion >= 4;
    isMinOpera5 = fOperaVersion >= 5;
    isMinOpera6 = fOperaVersion >= 6;
    isMinOpera7 = fOperaVersion >= 7;
    isMinOpera7_5 = fOperaVersion >= 7.5;
}

var isKHTML = sUserAgent.indexOf("KHTML") > -1 
              || sUserAgent.indexOf("Konqueror") > -1 
              || sUserAgent.indexOf("AppleWebKit") > -1; 
              
var isMinSafari1 = isMinSafari1_2 = false;
var isMinKonq2_2 = isMinKonq3 = isMinKonq3_1 = isMinKonq3_2 = false;
var isSafari = false;
if (isKHTML) {
    isSafari = sUserAgent.indexOf("AppleWebKit") > -1;
    isKonq = sUserAgent.indexOf("Konqueror") > -1;

    if (isSafari) {
        var reAppleWebKit = new RegExp("AppleWebKit\\/(\\d+(?:\\.\\d*)?)");
        reAppleWebKit.test(sUserAgent);
        var fAppleWebKitVersion = parseFloat(RegExp["$1"]);

        isMinSafari1 = fAppleWebKitVersion >= 85;
        isMinSafari1_2 = fAppleWebKitVersion >= 124;
    } else if (isKonq) {

        var reKonq = new RegExp("Konqueror\\/(\\d+(?:\\.\\d+(?:\\.\\d)?)?)");
        reKonq.test(sUserAgent);
        isMinKonq2_2 = compareVersions(RegExp["$1"], "2.2") >= 0;
        isMinKonq3 = compareVersions(RegExp["$1"], "3.0") >= 0;
        isMinKonq3_1 = compareVersions(RegExp["$1"], "3.1") >= 0;
        isMinKonq3_2 = compareVersions(RegExp["$1"], "3.2") >= 0;
    } 
    
}

var isIE = sUserAgent.indexOf("compatible") > -1 
           && sUserAgent.indexOf("MSIE") > -1
           && !isOpera;
 
var isMinIE4 = isMinIE5 = isMinIE5_5 = isMinIE6 = false;

if (isIE) {
    var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
    reIE.test(sUserAgent);
    var fIEVersion = parseFloat(RegExp["$1"]);

    isMinIE4 = fIEVersion >= 4;
    isMinIE5 = fIEVersion >= 5;
    isMinIE5_5 = fIEVersion >= 5.5;
    isMinIE6 = fIEVersion >= 6.0;
}

var isMoz = sUserAgent.indexOf("Gecko") > -1
            && !isKHTML;

var isMinMoz1 = sMinMoz1_4 = isMinMoz1_5 = false;

if (isMoz) {
    var reMoz = new RegExp("rv:(\\d+\\.\\d+(?:\\.\\d+)?)");
    reMoz.test(sUserAgent);
    isMinMoz1 = compareVersions(RegExp["$1"], "1.0") >= 0;
    isMinMoz1_4 = compareVersions(RegExp["$1"], "1.4") >= 0;
    isMinMoz1_5 = compareVersions(RegExp["$1"], "1.5") >= 0;
}

var isNS4 = !isIE && !isOpera && !isMoz && !isKHTML 
            && (sUserAgent.indexOf("Mozilla") == 0) 
            && (navigator.appName == "Netscape") 
            && (fAppVersion >= 4.0 && fAppVersion < 5.0);

var isMinNS4 = isMinNS4_5 = isMinNS4_7 = isMinNS4_8 = false;

if (isNS4) {
    isMinNS4 = true;
    isMinNS4_5 = fAppVersion >= 4.5;
    isMinNS4_7 = fAppVersion >= 4.7;
    isMinNS4_8 = fAppVersion >= 4.8;
}

var isWin = (navigator.platform == "Win32") || (navigator.platform == "Windows");
var isMac = (navigator.platform == "Mac68K") || (navigator.platform == "MacPPC") 
            || (navigator.platform == "Macintosh");

var isUnix = (navigator.platform == "X11") && !isWin && !isMac;

var isWin95 = isWin98 = isWinNT4 = isWin2K = isWinME = isWinXP = false;
var isMac68K = isMacPPC = false;
var isSunOS = isMinSunOS4 = isMinSunOS5 = isMinSunOS5_5 = false;

if (isWin) {
    isWin95 = sUserAgent.indexOf("Win95") > -1 
              || sUserAgent.indexOf("Windows 95") > -1;
    isWin98 = sUserAgent.indexOf("Win98") > -1 
              || sUserAgent.indexOf("Windows 98") > -1;
    isWinME = sUserAgent.indexOf("Win 9x 4.90") > -1 
              || sUserAgent.indexOf("Windows ME") > -1;
    isWin2K = sUserAgent.indexOf("Windows NT 5.0") > -1 
              || sUserAgent.indexOf("Windows 2000") > -1;
    isWinXP = sUserAgent.indexOf("Windows NT 5.1") > -1 
              || sUserAgent.indexOf("Windows XP") > -1;
    isWinNT4 = sUserAgent.indexOf("WinNT") > -1 
              || sUserAgent.indexOf("Windows NT") > -1 
              || sUserAgent.indexOf("WinNT4.0") > -1 
              || sUserAgent.indexOf("Windows NT 4.0") > -1 
              && (!isWinME && !isWin2K && !isWinXP);
} 

if (isMac) {
    isMac68K = sUserAgent.indexOf("Mac_68000") > -1 
               || sUserAgent.indexOf("68K") > -1;
    isMacPPC = sUserAgent.indexOf("Mac_PowerPC") > -1 
               || sUserAgent.indexOf("PPC") > -1;  
}

if (isUnix) {
    isSunOS = sUserAgent.indexOf("SunOS") > -1;

    if (isSunOS) {
        var reSunOS = new RegExp("SunOS (\\d+\\.\\d+(?:\\.\\d+)?)");
        reSunOS.test(sUserAgent);
        isMinSunOS4 = compareVersions(RegExp["$1"], "4.0") >= 0;
        isMinSunOS5 = compareVersions(RegExp["$1"], "5.0") >= 0;
        isMinSunOS5_5 = compareVersions(RegExp["$1"], "5.5") >= 0;
    }
}


if(isMoz) {
	XMLDocument.prototype.selectNodes= function(path) {
		var oEvaluator = new XPathEvaluator();
		var oResult = oEvaluator.evaluate(path, this, null, XPathResult.ORDERER_NODE_ITERATOR_TYPE, null);
		var result = new Array();
		var oElement = oResult.iterateNext();
		while(oElement) {
			result[oElement.nodeName]=oElement.firstChild.nodeValue;
			oElement = oResult.iterateNext();
		}
		return result;
	}
	XMLDocument.prototype.selectSingleNode = function(path) {
		var oEvaluator = new XPathEvaluator();
		var oResult = oEvaluator.evaluate(path, this, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null);
		return oResult.singleNodeValue;	
	}
	Node.prototype.__defineGetter__("xml",function() {
		var os = new XMLSerializer();
		return os.serializeToString(this,"text/xml");
	});
} 

function createHttp() {
	try {
		return new XMLHttpRequest();
	}
	catch (e) {
		var objectNames = ["MSXML2.XMLHTTP.5.0", "MSXML2.XMLHTTP.4.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"];
		for (var i = 0; i < objectNames.length; i ++) {
			try {
				return new ActiveXObject(objectNames[i]);
				break;
			}
			catch (e) {
			}
		}
		return null;
	}
}


var loading = false;

function getResponse(uri,content) {
	try {
		loading = true
		var body = document.body;
		var oHttp = createHttp();
		if(uri.indexOf('?') ==-1) aux = '?';
		else aux = '&';
		oHttp.open("POST", uri + aux+"time=" + (new Date()).getTime(), false);
		if(content == undefined) {
			content = '';	
		} else {
			oHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");	
		}
		oHttp.send(content);
		result = new Array();
		if(isSafari || isOpera) {
				resultNodes = oHttp.responseXML.firstChild.childNodes;
				for(var i=0; i<resultNodes.length; i++) {
					if(resultNodes.item(i).firstChild != null)
						result[resultNodes.item(i).nodeName]=resultNodes.item(i).firstChild.nodeValue;
				}
			loading = false
			delete oHttp;
			return result;
		} else if(isIE) {
			resultNodes = oHttp.responseXML.documentElement.childNodes;
			result = new Array();
			for(var i=0; i<resultNodes.length; i++) {
				result[resultNodes[i].nodeName] = resultNodes[i].text;
			}
			loading = false
			delete oHttp;
			return result;		
		} else {
			loading = false
			var returnValue = oHttp.responseXML.selectNodes("/response/descendant::*");
			delete oHttp;
			return returnValue;
		} 
		delete oHttp;
	} catch(e) {
		alert("exception");
		loading = false
		var escapeSpace = document.getElementsByName('body');
		var iframeElement = document.createElement('div');
		document.body.appendChild(iframeElement);
		iframeElement.innerHTML = '<iframe src="'+uri+'"style="display:none" onload="location.href=location.href"><\/iframe>';	
		
		return false;
	}
}

function requestHttp(uri) {
	try{		
		var oHttp = createHttp();
		oHttp.open("GET", uri + "&time=" + (new Date()).getTime(), false);
		oHttp.send("");
		if(isSafari || isOpera) {
			var returnValue = oHttp.responseXML.firstChild.firstChild.nextSibling.firstChild.nodeValue;
			delete oHttp;
			return returnValue;
		} else {
			var returnValue = oHttp.responseXML.selectSingleNode("/response/error").text;
			delete oHttp;
			return returnValue;
		}
	} catch (e) {
		window.status = e.messge;
	}
}

function requestHttpText(uri) {
	var oHttp = createHttp();
	oHttp.open("GET", uri + "&time=" + (new Date()).getTime(), false);
	oHttp.send("");
	var returnValue = oHttp.responseText;
	delete oHttp;
	return returnValue;
}

function requestHttpXml(uri) {
	var oHttp = createHttp();
	oHttp.open("GET", uri + "&time=" + (new Date()).getTime(), false);
	oHttp.send("");
	var returnValue = oHttp.responseXML;
	delete oHttp;
	return returnValue;
}

function requestPost(uri, content) {
	var oHttp = createHttp();
	oHttp.open("POST", uri + "&time=" + (new Date()).getTime(), false);
	oHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	oHttp.send(content+ "&time=" + (new Date()).getTime());
	var returnValue = oHttp.responseXML.selectSingleNode("/response/error").text;
	delete oHttp;
	return returnValue;
}

function requestPostText(uri, content) {
	var oHttp = createHttp();
	oHttp.open("POST", uri + "&time=" + (new Date()).getTime(), false);
	oHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	oHttp.send(content);
	var returnValue = oHttp.responseText;
	delete oHttp;
	return returnValue;
}

function setRequestBody(elementName, elementValue, boundary){
	var body = "";
	body += "--" + boundary + "\r\n";
	body += "Content-Disposition: form-data; name=\"" + elementName + "\"" + "\r\n\r\n";
	body += elementValue + "\r\n"; 
	return body;
}