var b64str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"+"abcdefghijklmnopqrstuvwxyz"+"0123456789+/=";
var b64str_m = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"+"abcdefghijklmnopqrstuvwxyz"+"0123456789-_=";
// -lett a + helyett és _ a / helyett

function base64enc(inp,m)
{

 if (inp=="") return("");

 var b64ch=(m==1)?b64str:b64str_m;

 for (i=0;i<inp.length;i++)
 {
   //if (inp.charCodeAt(i)>255) alert("i:"+i+" code:"+inp.charCodeAt(i)+" ch:"+inp.charAt(i));
   if (inp.charCodeAt(i)>255) alert("i:"+i+" code:"+inp.charCodeAt(i)+" code:"+inp.charCodeAt(i+1));
   //alert(inp.charCodeAt(i)+inp.charAt(i));
 }

 if (typeof(btoa)=="function")
  {
    alap=btoa(inp);
    if (m!=1)
    {
     alap=alap.replace(/\x2B/g,"-");
     alap=alap.replace(/\x2F/g,"_");
    }
    return alap;
  }

    var out = ""; //This is the output
    var chr1, chr2, chr3 = ""; //These are the 3 bytes to be encoded
    var enc1, enc2, enc3, enc4 = ""; //These are the 4 encoded bytes
    var i = 0; //Position counter

    do
    { //Set up the loop here
        chr1 = inp.charCodeAt(i++); //Grab the first byte
        chr2 = inp.charCodeAt(i++); //Grab the second byte
        chr3 = inp.charCodeAt(i++); //Grab the third byte

        //Here is the actual base64 encode part.
        //There really is only one way to do it.
        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;
         }

        //Lets spit out the 4 encoded bytes
        out = out + b64ch.charAt(enc1) + b64ch.charAt(enc2) + b64ch.charAt(enc3) + b64ch.charAt(enc4);

        // OK, now clean out the variables used.
        chr1 = chr2 = chr3 = "";
        enc1 = enc2 = enc3 = enc4 = "";

    } while (i < inp.length); //And finish off the loop

    //Now return the encoded values.
    return out;
}

function sack(file){
	this.AjaxFailedAlert = "A böngésződ nem támogatja az XMLHTTP Request eljárásokat.\n";
	this.requestFile = file;
	this.method = "POST";
	this.URLString = "";
	this.encodeURIString = true;
	this.execute = false;

	this.onLoading = function() { };
	this.onLoaded = function() { };
	this.onInteractive = function() { };
	this.onCompletion = function() { };

	this.createAJAX = function() {
		try {
			this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (err) {
				this.xmlhttp = null;
			}
		}
		if(!this.xmlhttp && typeof XMLHttpRequest != "undefined")
			this.xmlhttp = new XMLHttpRequest();
		if (!this.xmlhttp){
			this.failed = true; 
		}
	};
	
	this.setVar = function(name, value){
		if (this.URLString.length < 3){
			this.URLString = name + "=" + value;
		} else {
			this.URLString += "&" + name + "=" + value;
		}
	}
	
	this.encVar = function(name, value){
		var varString = encodeURIComponent(name) + "=" + encodeURIComponent(value);
  	return varString;
	}
	
	this.encodeURLString = function(string){
		varArray = string.split('&');
		for (i = 0; i < varArray.length; i++){
			urlVars = varArray[i].split('=');
			if (urlVars[0].indexOf('amp;') != -1){
				urlVars[0] = urlVars[0].substring(4);
			}
			varArray[i] = this.encVar(urlVars[0],urlVars[1]);
		}
	return varArray.join('&');
	}
	
	this.runResponse = function(){
		eval(this.response);
	}
	
	this.runAJAX = function(urlstring){
		this.responseStatus = new Array(2);
		if(this.failed && this.AjaxFailedAlert){ 
			alert(this.AjaxFailedAlert); 
		} else {
			if (urlstring){ 
				if (this.URLString.length){
					this.URLString = this.URLString + "&" + urlstring; 
				} else {
					this.URLString = urlstring; 
				}
			}
			if (this.encodeURIString){
				var timeval = new Date().getTime(); 
				this.URLString = this.encodeURLString(this.URLString);
				this.setVar("rndval", timeval);
			}
			if (this.element) { this.elementObj = document.getElementById(this.element); }
			if (this.xmlhttp) {
				var self = this;
				if (this.method == "GET") {
					var totalurlstring = this.requestFile + "?" + this.URLString;
					this.xmlhttp.open(this.method, totalurlstring, true);
				} else {
					this.xmlhttp.open(this.method, this.requestFile, true);
				}
				if (this.method == "POST"){
  					try {
						this.xmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=ISO-8859-2')  
					} catch (e) {}
				}

				this.xmlhttp.send(this.URLString);
				this.xmlhttp.onreadystatechange = function() {
					switch (self.xmlhttp.readyState){
						case 1:
							self.onLoading();
						break;
						case 2:
							self.onLoaded();
						break;
						case 3:
							self.onInteractive();
						break;
						case 4:
							self.response = self.xmlhttp.responseText;
							self.responseXML = self.xmlhttp.responseXML;
							self.responseStatus[0] = self.xmlhttp.status;
							self.responseStatus[1] = self.xmlhttp.statusText;
							self.onCompletion(self.response);
							if(self.execute){ self.runResponse(); }
							if (self.elementObj) {
								var elemNodeName = self.elementObj.nodeName;
								elemNodeName.toLowerCase();
								if (elemNodeName == "input" || elemNodeName == "select" || elemNodeName == "option" || elemNodeName == "textarea"){
									self.elementObj.value = self.response;
								} else {
									self.elementObj.innerHTML = self.response;
								}
							}
							self.URLString = "";
						break;
					}
				};
			}
		}
	};
this.createAJAX();
}