var httpajax;
function urlDecode(str){
    str=str.replace(new RegExp('\\+','g'),' ');
    return unescape(str);
}
function urlEncode(str){
    str=escape(str);
    str=str.replace(new RegExp('\\+','g'),'%2B');
    return str.replace(new RegExp('%20','g'),'+');
}

var END_OF_INPUT = -1;

var base64Chars = new Array(
    'A','B','C','D','E','F','G','H',
    'I','J','K','L','M','N','O','P',
    'Q','R','S','T','U','V','W','X',
    'Y','Z','a','b','c','d','e','f',
    'g','h','i','j','k','l','m','n',
    'o','p','q','r','s','t','u','v',
    'w','x','y','z','0','1','2','3',
    '4','5','6','7','8','9','+','/'
);

var reverseBase64Chars = new Array();
for (var i=0; i < base64Chars.length; i++){
    reverseBase64Chars[base64Chars[i]] = i;
}

var base64Str;
var base64Count;
function setBase64Str(str){
    base64Str = str;
    base64Count = 0;
}
function readBase64(){    
    if (!base64Str) return END_OF_INPUT;
    if (base64Count >= base64Str.length) return END_OF_INPUT;
    var c = base64Str.charCodeAt(base64Count) & 0xff;
    base64Count++;
    return c;
}
function encodeBase64(str){
    setBase64Str(str);
    var result = '';
    var inBuffer = new Array(3);
    var lineCount = 0;
    var done = false;
    while (!done && (inBuffer[0] = readBase64()) != END_OF_INPUT){
        inBuffer[1] = readBase64();
        inBuffer[2] = readBase64();
        result += (base64Chars[ inBuffer[0] >> 2 ]);
        if (inBuffer[1] != END_OF_INPUT){
            result += (base64Chars [(( inBuffer[0] << 4 ) & 0x30) | (inBuffer[1] >> 4) ]);
            if (inBuffer[2] != END_OF_INPUT){
                result += (base64Chars [((inBuffer[1] << 2) & 0x3c) | (inBuffer[2] >> 6) ]);
                result += (base64Chars [inBuffer[2] & 0x3F]);
            } else {
                result += (base64Chars [((inBuffer[1] << 2) & 0x3c)]);
                result += ('=');
                done = true;
            }
        } else {
            result += (base64Chars [(( inBuffer[0] << 4 ) & 0x30)]);
            result += ('=');
            result += ('=');
            done = true;
        }
        lineCount += 4;
        if (lineCount >= 76){
            result += ('\n');
            lineCount = 0;
        }
    }
    return result;
}
function readReverseBase64(){   
    if (!base64Str) return END_OF_INPUT;
    while (true){      
        if (base64Count >= base64Str.length) return END_OF_INPUT;
        var nextCharacter = base64Str.charAt(base64Count);
        base64Count++;
        if (reverseBase64Chars[nextCharacter]){
            return reverseBase64Chars[nextCharacter];
        }
        if (nextCharacter == 'A') return 0;
    }
    return END_OF_INPUT;
}

function ntos(n){
    n=n.toString(16);
    if (n.length == 1) n="0"+n;
    n="%"+n;
    return unescape(n);
}

function decodeBase64(str){
    setBase64Str(str);
    var result = "";
    var inBuffer = new Array(4);
    var done = false;
    while (!done && (inBuffer[0] = readReverseBase64()) != END_OF_INPUT
        && (inBuffer[1] = readReverseBase64()) != END_OF_INPUT){
        inBuffer[2] = readReverseBase64();
        inBuffer[3] = readReverseBase64();
        result += ntos((((inBuffer[0] << 2) & 0xff)| inBuffer[1] >> 4));
        if (inBuffer[2] != END_OF_INPUT){
            result +=  ntos((((inBuffer[1] << 4) & 0xff)| inBuffer[2] >> 2));
            if (inBuffer[3] != END_OF_INPUT){
                result +=  ntos((((inBuffer[2] << 6)  & 0xff) | inBuffer[3]));
            } else {
                done = true;
            }
        } else {
            done = true;
        }
    }
    return result;
}

var digitArray = new Array('0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f');
function toHex(n){
    var result = ''
    var start = true;
    for (var i=32; i>0;){
        i-=4;
        var digit = (n>>i) & 0xf;
        if (!start || digit != 0){
            start = false;
            result += digitArray[digit];
        }
    }
    return (result==''?'0':result);
}

function pad(str, len, pad){
    var result = str;
    for (var i=str.length; i<len; i++){
        result = pad + result;
    }
    return result;
}

function encodeHex(str){
    var result = "";
    for (var i=0; i<str.length; i++){
        result += pad(toHex(str.charCodeAt(i)&0xff),2,'0');
    }
    return result;
}

function decodeHex(str){
    str = str.replace(new RegExp("s/[^0-9a-zA-Z]//g"));
    var result = "";
    var nextchar = "";
    for (var i=0; i<str.length; i++){
        nextchar += str.charAt(i);
        if (nextchar.length == 2){
            result += ntos(eval('0x'+nextchar));
            nextchar = "";
        }
    }
    return result;
    
}
function ajaxclick(ajaxurl, returnid, noloading, parameters, boolcloseia, boolopenia, loadingtype)
	{
	if (!parameters)
		{
		parameters = '1=1';
		}
	if (window.XMLHttpRequest)
		{
		// Firefox, Safari, Opera...
		httpajax = new XMLHttpRequest();
		}
	else if (window.ActiveXObject)
		{
		// Internet Explorer 5+
		httpajax = new ActiveXObject('Microsoft.XMLHTTP');
		}
	else
		{
		//alert('Problem creating the XMLHttpRequest object');
		}
	httpajax.open('POST', "include/ajaxrequests/" + ajaxurl , true);
	httpajax.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	httpajax.setRequestHeader("Content-length", parameters.length);
	httpajax.setRequestHeader("Connection", "close");
	httpajax.send(parameters);
	httpajax.onreadystatechange = function ()
		{
		//alert ("include/ajaxrequests/" + ajaxurl + parameters);

		if (httpajax.readyState==4 || httpajax.readyState=="complete") 
			{
			if (boolcloseia==1)
				{
				//alert("hej");
				closeia();
				}
			if (httpajax.responseText.indexOf('invalid') == -1) 
				{
				//alert(httpajax.responseText);
				// getting the response
				if (returnid=='infoalert')
					{
					document.getElementById(returnid).innerHTML = "&nbsp;&nbsp;&nbsp;<table style='display: inline;' border='0' cellspacing='0' cellpadding='0'><tr><td height='100' width='175' valign='top'>" + httpajax.responseText + "</td></tr><tr><td align='right'><a style='color: #ffffff;' href='javascript:closeia();'>[X] Luk</a></td></tr></table>";
					var re = /<script\b.*?>(.*?)<\//ig; // assumes HTML well formed

					var match;
					while (match = re.exec(httpajax.responseText)) 
						{
						//alert(match[1]);
						eval(match[1]);
						}
					return true;
					}
				else if (returnid!='')
					{
//					var spt = /<script\b.*?>(.*?)<\//ig.exec(httpajax.responseText)
//					alert(spt);
					document.getElementById(returnid).innerHTML = httpajax.responseText;
					var re = /<script\b.*?>(.*?)<\//ig; // assumes HTML well formed

					var match;
					while (match = re.exec(httpajax.responseText)) 
						{
						//alert(match[1]);
						eval(match[1]);
						}
					return true;
					}
				else
					{
					//alert(httpajax.responseText);
					if (boolopenia && httpajax.responseText==1 && iaisopen==false)
						{
						openia();
						return httpajax.responseText;
						}
					else
						{
						return httpajax.responseText;
						}
					}
				}
			else 
				{
				// Tell the reader that there was error requesting data
				return null;
				}
			}
		else
			{
			if (returnid!='' && !noloading)
				{
				if (loadingtype=='bar')
					{
					document.getElementById(returnid).innerHTML = "<br /><br /><br /><br /><br /><br /><br /><br /><center><h1>Sender Brev</h1><br /><br /><img src='../../../graphic/info/ajaxprogress.gif' alt='Loading' width='220' height='19' /></center>";
					}
				else
					{
					document.getElementById(returnid).innerHTML = "<br /><br /><br /><br /><center><img src='graphic/info/ajax-loader.gif' alt='Loading' width='16' height='16' /><h1 style='display:inline;'>&nbsp;&nbsp;&nbsp;<b>Loading</b>&nbsp;&nbsp;&nbsp;</h1><img src='graphic/info/ajax-loader.gif' alt='Loading' width='16' height='16' /></center>";
					}
				}
			}
		}
	}