function preloadImg(img)
   {
      var im = new Image();
      im.src = img;
   }

function preloadDialogImgs() {
	var dir='/manager/media/style/Paradigm/images/dialog/';
	preloadImg(dir+'bot.png');
	preloadImg(dir+'left.png');
	preloadImg(dir+'mid.png');
	preloadImg(dir+'ne.png');
	preloadImg(dir+'nw.png');
	preloadImg(dir+'right.png');
	preloadImg(dir+'se.png');
	preloadImg(dir+'sw.png');
	preloadImg(dir+'top.png');
	preloadImg('/manager/media/style/Paradigm/images/aboutlogo.png');
}
	
function preloadTTImgs() {
	var dir='/manager/media/style/Paradigm/images/tree/balloon/';
	preloadImg(dir+'w.png');
	preloadImg(dir+'sw.png');
	preloadImg(dir+'se.png');
	preloadImg(dir+'s.png');
	preloadImg(dir+'point-down.png');
	preloadImg(dir+'point.png');
	preloadImg(dir+'nw.png');
	preloadImg(dir+'ne.png');
	preloadImg(dir+'n.png');
	preloadImg(dir+'mid.png');
	preloadImg(dir+'e.png');
}

function duplicatedocument(id){
  if(confirm("Are you sure you want to duplicate this content? Any item(s) it contains will also be duplicated.")==true) {
      document.location.href="index.php?id="+id+"&a=94";
  }
}
function deletedocument(id) {
  if(confirm("Are you sure you want to delete this content?  The content will not be purged until you empty the trash.")==true) {
      document.location.href="index.php?id="+id+"&a=6";
  }
}
function editdocument(id) {
  document.location.href="index.php?id="+id+"&a=27";
}
function movedocument(id) {
  document.location.href="index.php?id="+id+"&a=51";
}

function getChildren(el, a, v) {
    var ar = new Array();
    var ac = top.tree.document.getElementById(el).getElementsByTagName('*');
    for (c=0; c<ac.length; c++) if (v? (ac[c][a] == v) : (ac[c][a])) ar.push(ac[c]);
    return ar;
}

function getElementsByAttribute(oElm, strTagName, strAttributeName, strAttributeValue){
	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	var oAttributeValue = (typeof strAttributeValue != "undefined")? new RegExp("(^|\\s)" + strAttributeValue + "(\\s|$)") : null;
	var oCurrent;
	var oAttribute;
	for(var i=0; i<arrElements.length; i++){
		oCurrent = arrElements[i];
		oAttribute = oCurrent.getAttribute && oCurrent.getAttribute(strAttributeName);
		if(typeof oAttribute == "string" && oAttribute.length > 0){
			if(typeof strAttributeValue == "undefined" || (oAttributeValue && oAttributeValue.test(oAttribute))){
				arrReturnElements.push(oCurrent);
			}
		}
	}
	return arrReturnElements;
}

function unserialize ( inp ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Arpad Ray (mailto:arpad@php.net)
    // *     example 1: unserialize();
    // *     returns 1: ['Kevin', 'van', 'Zonneveld']
  //
   //*******************************************************************************
  //
  // *   Reviewed at: 19/03/2008
  // +            by: Pedro Tainha (email@pedrotainha.com or pedrotainha@gmail.com)
  //
  // Notes:
  //  Fixed bugs for the cases: 'b'(boolean) and 'a'(array)
  //
  //*******************************************************************************
  
  
    error = 0;
    if (inp == "" || inp.length < 2) {
        errormsg = "input is too short";
        return;
    }
    var val, kret, vret, cval;
    var type = inp.charAt(0);
    var cont = inp.substring(2);
    var size = 0, divpos = 0, endcont = 0, rest = "", next = "";
 
    switch (type) {
    case "N": // null
        if (inp.charAt(1) != ";") {
            errormsg = "missing ; for null";
        }
        // leave val undefined
        rest = cont;
        break;
    case "b": // boolean
        if (!/[01];/.test(cont.substring(0,2))) {
            errormsg = "value not 0 or 1, or missing ; for boolean";
        }
        val = (cont.charAt(0) == "1");
        rest = cont.substring(2);  //changed...
        break;
    case "s": // string
        val = "";
        divpos = cont.indexOf(":");
        if (divpos == -1) {
            errormsg = "missing : for string";
            break;
        }
        size = parseInt(cont.substring(0, divpos));
        if (size == 0) {
            if (cont.length - divpos < 4) {
                errormsg = "string is too short";
                break;
            }
            rest = cont.substring(divpos + 4);
            break;
        }
        if ((cont.length - divpos - size) < 4) {
            errormsg = "string is too short";
            break;
        }
        if (cont.substring(divpos + 2 + size, divpos + 4 + size) != "\";") {
            errormsg = "string is too long, or missing \";";
        }
        val = cont.substring(divpos + 2, divpos + 2 + size);
        rest = cont.substring(divpos + 4 + size);
        break;
    case "i": // integer
    case "d": // float
  
        var dotfound = 0;
        for (var t = 0; t < cont.length; t++) {
            cval = cont.charAt(t);
            if (isNaN(parseInt(cval)) && !(type == "d" && cval == "." && !dotfound++)) {
                endcont = t;
                break;
            }
        }
        if (!endcont || cont.charAt(endcont) != ";") {
            errormsg = "missing or invalid value, or missing ; for int/float";
        }
        val = cont.substring(0, endcont);
        val = (type == "i" ? parseInt(val) : parseFloat(val));
        rest = cont.substring(endcont + 1);
        break;
    case "a": // array
        if (cont.length < 4) {
            errormsg = "array is too short";
            return;
        }
        divpos = cont.indexOf(":", 1);
  
        if (divpos == -1) {
            errormsg = "missing : for array";
            return;
        }
        size = parseInt(cont.substring(1*divpos, 0));  //changed...
  
        cont = cont.substring(divpos + 2);
        val = new Array();
        if (cont.length < 1) {
            errormsg = "array is too short";
            return;
        }
        for (var i = 0; i + 1 < size * 2; i += 2) {
      
      
            kret = unserialize(cont, 1);
      
            if (error || kret[0] == undefined || kret[1] == "") {
                errormsg = "missing or invalid key, or missing value for array";
                return;
            }
      
            vret = unserialize(kret[1], 1);
    
            if (error) {
                errormsg = "invalid value for array";
                return;
            }
            val[kret[0]] = vret[0];
            cont = vret[1];
        }
    
        if (cont.charAt(0) != "}") {
            errormsg = "missing ending }, or too many values for array";
            return;
        }
    
        rest = cont.substring(1);
        break;
    case "O": // object
        divpos = cont.indexOf(":");
        if (divpos == -1) {
            errormsg = "missing : for object";
            return;
        }
        size = parseInt(cont.substring(0, divpos));
        var objname = cont.substring(divpos + 2, divpos + 2 + size);
        if (cont.substring(divpos + 2 + size, divpos + 4 + size) != "\":") {
            errormsg = "object name is too long, or missing \":";
            return;
        }
    
        var objprops = unserialize("a:" + cont.substring(divpos + 4 + size), 1);
    
        if (error) {
            errormsg = "invalid object properties";
            return;
        }
        rest = objprops[1];
    
        var objout = "function " + objname + "(){";
        for (key in objprops[0]) {
            objout += "" + key + "=objprops[0]['" + key + "'];";
        }
        objout += "}val=new " + objname + "();";
        eval(objout);
        break;
    default:
        errormsg = "invalid input type";
    }
  
    return (arguments.length == 1 ? val : [val, rest]);
}

function serialize( mixed_value ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Arpad Ray (mailto:arpad@php.net)
    // +   improved by: Dino
    // +   bugfixed by: Andrej Pavlovic
    // +   bugfixed by: Garagoth
    // +      input by: DtTvB (http://dt.in.th/2008-09-16.string-length-in-bytes.html)
    // +   bugfixed by: Russell Walker
    // %          note: We feel the main purpose of this function should be to ease the transport of data between php & js
    // %          note: Aiming for PHP-compatibility, we have to translate objects to arrays
    // *     example 1: serialize(['Kevin', 'van', 'Zonneveld']);
    // *     returns 1: 'a:3:{i:0;s:5:"Kevin";i:1;s:3:"van";i:2;s:9:"Zonneveld";}'
    // *     example 2: serialize({firstName: 'Kevin', midName: 'van', surName: 'Zonneveld'});
    // *     returns 2: 'a:3:{s:9:"firstName";s:5:"Kevin";s:7:"midName";s:3:"van";s:7:"surName";s:9:"Zonneveld";}'
 
    var _getType = function( inp ) {
        var type = typeof inp, match;
        var key;
        if (type == 'object' && !inp) {
            return 'null';
        }
        if (type == "object") {
            if (!inp.constructor) {
                return 'object';
            }
            var cons = inp.constructor.toString();
            match = cons.match(/(\w+)\(/);
            if (match) {
                cons = match[1].toLowerCase();
            }
            var types = ["boolean", "number", "string", "array"];
            for (key in types) {
                if (cons == types[key]) {
                    type = types[key];
                    break;
                }
            }
        }
        return type;
    };
    var type = _getType(mixed_value);
    var val, ktype = '';
    
    switch (type) {
        case "function": 
            val = ""; 
            break;
        case "undefined":
            val = "N";
            break;
        case "boolean":
            val = "b:" + (mixed_value ? "1" : "0");
            break;
        case "number":
            val = (Math.round(mixed_value) == mixed_value ? "i" : "d") + ":" + mixed_value;
            break;
        case "string":
            val = "s:" + encodeURIComponent(mixed_value).replace(/%../g, 'x').length + ":\"" + mixed_value + "\"";
            break;
        case "array":
        case "object":
            val = "a";
            /*
            if (type == "object") {
                var objname = mixed_value.constructor.toString().match(/(\w+)\(\)/);
                if (objname == undefined) {
                    return;
                }
                objname[1] = serialize(objname[1]);
                val = "O" + objname[1].substring(1, objname[1].length - 1);
            }
            */
            var count = 0;
            var vals = "";
            var okey;
            var key;
            for (key in mixed_value) {
                ktype = _getType(mixed_value[key]);
                if (ktype == "function") { 
                    continue; 
                }
                
                okey = (key.match(/^[0-9]+$/) ? parseInt(key, 10) : key);
                vals += serialize(okey) +
                        serialize(mixed_value[key]);
                count++;
            }
            val += ":" + count + ":{" + vals + "}";
            break;
    }
    if (type != "object" && type != "array") {
        val += ";";
    }
    return val;
}


function changetreesel(id) {

	var allElem=top.tree.document.getElementById('treeRoot');
	var selElem=getChildren('treeRoot','className','treeNodeSelected');
	
	for (i=0; i<selElem.length; i++) {
		//selElem[i].style.backgroundColor = "rgb(250, 252, 249)";
		//selElem[i].style.color = "rgb(69, 76, 79)";
		selElem[i].className="treeNode";
	}
		
	handle='menuhandle_'+id;
	elem=top.tree.document.getElementById(handle);
	if (elem) {	
		//elem.focus();
		itemToChange=id;
		elem.className="treeNodeSelected";
		//elem.style.backgroundColor = "rgb(242, 162, 0)";
		//elem.style.color = "rgb(255, 255, 255)";
		parent.tree.document.getElementById('selElem').value=id;
		elem.setAttribute('selectedNode','yes');
	}
}

function changeBgColor(idnum,color) {
	
	var selElem=getChildren('treeRoot','className','blinkTreeNode');
	
	for (i=0; i<selElem.length; i++) {
		selElem[i].className="treeNode";
	}
	
	
	//elem=document.getElementById('menuhandle_'+idnum);
	//alert(idnum + " "  + color);
	selElem[0].style.backgroundColor=color;
}

/*
function blinkThis(id){
	//alert(id);
	
		
	
	var intrvl=200;
	for(nTimes=0;nTimes<7;nTimes++){
		intrvl += 200;
		setTimeout("changeBgColor("+id+",'#000000');",intrvl);
		intrvl += 200;
		setTimeout("changeBgColor("+id+",'#ffffff');",intrvl);
	}
}*/

function blinkThis(id) {
	handle='menuhandle_'+id;
	elem=top.tree.document.getElementById(handle);
	//alert(elem.style.backgroundColor);
  /*if(elem.style.backgroundColor != "rgb(242, 162, 0)") {
    elem.style.backgroundColor = "rgb(242, 162, 0)";
	elem.style.color = "rgb(255, 255, 255)";
  } else {
    elem.style.backgroundColor = "rgb(250, 252, 249)";
	elem.style.color = "rgb(69, 76, 79)";
  }*/
  if(elem.className!='treeNodeSelectedOff') {
    elem.className = "treeNodeSelectedOff";
  } else {
    elem.className = "treeNodeSelected";
  }
}


var intervalHolder;
var intervalReleaser;

function stopBlink(id) {
	handle='menuhandle_'+id;
	elem=top.tree.document.getElementById(handle);
	//elem.style.backgroundColor = "rgb(250, 252, 249)";
	//elem.style.color = "rgb(69, 76, 79)";
	handle='menuhandle_'+id;
	elem=top.tree.document.getElementById(handle);
	changetreesel(id);
	top.tree.document.getElementById('treeShade').style.display='none';
	clearInterval(intervalHolder);
	clearInterval(intervalReleaser);
	intervalHolder=0;
}



function changetreeselBlink(id) {
	
	
	top.tree.document.getElementById('treeShade').style.display='block';
	
	//var scrollToTop = top.tree.document.getElementById('node'+id).offsetTop;
	//var scrollToTopElemPos = top.tree.document.getElementById('node'+id).getPosition();
	var treeHolder = top.tree.document.getElementById('treeHolder');
	//var scrollToTop = scrollToTopElemPos.y;
	//scrollToTop = scrollToTop - treeHolder.scrollHeight - 20;
	//var scroller = new Fx.Scroll('treeHolder',{duration:1000}).set(false,scrollToTop);
	var scroller = new Fx.Scroll('treeHolder',{duration:500}).toElement('node'+id).chain(function(){
	    this.toLeft();
	});
	
	var selElem=getChildren('treeRoot','className','treeNodeSelected');
	
	for (i=0; i<selElem.length; i++) {
		//selElem[i].style.backgroundColor = "rgb(250, 252, 249)";
		//selElem[i].style.color = "rgb(69, 76, 79)";
		selElem[i].className="treeNode";
	}
		
	handle='menuhandle_'+id;
	elem=top.tree.document.getElementById(handle);
	if (elem) {	
		elem.focus();
		itemToChange=id;
		elem.className="treeNodeSelected";
		parent.tree.document.getElementById('selElem').value=id;
		elem.setAttribute('selectedNode','yes');
	}
	
	top.tree.document.getElementById('treeWait').style.display='none';
	
	intervalHolder = setInterval('blinkThis('+id+')',500);
	intervalReleaser = setInterval('stopBlink('+id+')',3000);
}


var oldZ="0";
var oldH="0";
var oldHTML="";

function closeModal() {
	var trr=top.document.getElementById('modalShade');
	trr.style.display="none";
}

function closeModalLogin() {
	var tr=document.getElementById('modalShade');    
	tr.style.display="none";
	document.body.style.overflow='';
}

function showModal(text, buttontitle) {
	var tr=top.document.getElementById('modalShade');
	var mn=top.document.getElementById('modalShade');
	//var nc=top.main.document.getElementById('Navcontainer');
	var root=mn.ownerDocument.body;
    
	//nc.style.display="none";
	mn.style.display="block";
	tr.style.display="block";
	
	root.style.marginTop=0;
	root.style.overflow='hidden';
		
	mn.innerHTML='<div id="modalShadeDialog"><table cellpadding="0" cellspacing="0">     	<tr> 	<tr style="height:32px;">     	<td valign="bottom" align="right" width="32" height="32" style=""><img src="media/style/Paradigm/images/dialog/nw.png"></td>     	<td height="32" style="height:32px; background-image: url(media/style/Paradigm/images/dialog/top.png); background-position: center bottom; background-repeat: repeat-x; "></td>     	<td valign="bottom" align="left" width="32" height="32" style=""><img src="media/style/Paradigm/images/dialog/ne.png"></td>   	</tr>   	<tr>     	<td style="background-image: url(media/style/Paradigm/images/dialog/left.png); background-position: center; background-repeat: repeat-y;"></td>     	<td style="padding:3px; background-image: url(media/style/Paradigm/images/dialog/mid.png); background-position: center; background-repeat: repeat;">	 	'+text+'<br><a class="modalButton" id="modalButton" href="#" onclick="top.document.getElementById(\'modalShade\').style.display=\'none\';">'+buttontitle+'</a>	</td>     	<td style="background-image: url(media/style/Paradigm/images/dialog/right.png); background-position: center; background-repeat: repeat-y;"></td>   	</tr>   	<tr style="height:32px;">    	<td valign="top" align="right" width="32" height="32" style=""><img src="media/style/Paradigm/images/dialog/sw.png"></td>     	<td valign="top" style="height:32px; background-image: url(media/style/Paradigm/images/dialog/bot.png); background-position: top; background-repeat: repeat-x; "></td>     	<td valign="top" align="left" width="32" height="32" style=""><img src="media/style/Paradigm/images/dialog/se.png"></td> 	</tr> 	</table></div>';	
	
	//mn.innerHTML+='<a class="modalButton" href="javascript:closeModal();">'+buttontitle+'</a>';
	var db=top.document.getElementById('modalShadeDialog');

	db.style.display = "block";
//	db.style.visibility  = "hidden";
	
	if (db.offsetWidth>300) db.style.width="500px";

	var IpopTop = (top.document.body.clientHeight - 60 - db.offsetHeight) / 2;
    var IpopLeft = (top.document.body.clientWidth - db.offsetWidth) / 2;

	//IpopTop-=60;

    db.style.left=IpopLeft + top.document.body.scrollLeft + "px";
    db.style.top=IpopTop + top.document.body.scrollTop + "px";

	top.document.getElementById('modalButton').focus();
		
}


function showModalLogin(text, buttontitle) {
	var tr=document.getElementById('modalShade');
	tr.style.display="block";
	
	
	
	//document.body.style.overflow='auto';
	 
	tr.innerHTML='<div id="modalShadeDialog"><table cellpadding="0" cellspacing="0">     	<tr> 	<tr style="height:32px;">     	<td valign="bottom" align="right" width="32" height="32" style=""><img src="media/style/Paradigm/images/dialog/nw.png"></td>     	<td height="32" style="height:32px; background-image: url(media/style/Paradigm/images/dialog/top.png); background-position: center bottom; background-repeat: repeat-x; "></td>     	<td valign="bottom" align="left" width="32" height="32" style=""><img src="media/style/Paradigm/images/dialog/ne.png"></td>   	</tr>   	<tr>     	<td style="background-image: url(media/style/Paradigm/images/dialog/left.png); background-position: center; background-repeat: repeat-y;"></td>     	<td style="padding:3px; background-image: url(media/style/Paradigm/images/dialog/mid.png); background-position: center; background-repeat: repeat;">	 	'+text+'<br><a class="modalButton" id="modalButton"  href="javascript:closeModalLogin();">'+buttontitle+'</a>	</td>     	<td style="background-image: url(media/style/Paradigm/images/dialog/right.png); background-position: center; background-repeat: repeat-y;"></td>   	</tr>   	<tr style="height:32px;">    	<td valign="top" align="right" width="32" height="32" style=""><img src="media/style/Paradigm/images/dialog/sw.png"></td>     	<td valign="top" style="height:32px; background-image: url(media/style/Paradigm/images/dialog/bot.png); background-position: top; background-repeat: repeat-x; "></td>     	<td valign="top" align="left" width="32" height="32" style=""><img src="media/style/Paradigm/images/dialog/se.png"></td> 	</tr> 	</table></div>';	
	
	//mn.innerHTML+='<a class="modalButton" href="javascript:closeModal();">'+buttontitle+'</a>';
	var db=document.getElementById('modalShadeDialog');
	
	db.style.display = "block";
	
	if (db.offsetWidth>300) db.style.width="400px";

	var IpopTop = (document.body.clientHeight - db.offsetHeight) / 2;
    var IpopLeft = (document.body.clientWidth - db.offsetWidth) / 2;

    db.style.left=IpopLeft + document.body.scrollLeft + "px";
    db.style.top=IpopTop + document.body.scrollTop + "px";

	document.getElementById('modalButton').focus();	    
}



function makeCurrency(field){
	num=field.value;
	num = num.toString().replace(/\$|\,/g,'');
	if(isNaN(num)) {
		num = "0";
		alert ("You must enter a number in \"" + field.getAttribute('vname') + "\"");
	}
	sign = (num == (num = Math.abs(num)));
	num = Math.floor(num*100+0.50000000001);
	cents = num%100;
	num = Math.floor(num/100).toString();
	if(cents<10)
	cents = "0" + cents;
	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
	//num = num.substring(0,num.length-(4*i+3))+','+
	num.substring(num.length-(4*i+3));
	var newnum = (((sign)?'':'-') + num + '.' + cents);
	field.value=newnum;
}

function ltrim(stringToTrim) {
	return stringToTrim.replace(/^\s+/,"");
}

var alertOut="";

function validateField(thisfield) {
        var valid=true;
                if (thisfield.getAttribute('vdt') != undefined) {
                        switch(thisfield.getAttribute('vdt')) {
                                case "text":
								thisfield.value=ltrim(thisfield.value);
                                if (thisfield.value == "") {
                                        if (!thisfield.getAttribute('vname')) {
                                                fieldName = thisfield.name;
                                                fieldName = fieldName.replace (/_/g, " ");
                                        }
                                        else
                                        {
                                                fieldName = thisfield.getAttribute('vname');
                                        }
                                        alertOut+=("\"" + fieldName + "\" must be filled out.\n");
                                        valid=false;
                                        }
                                break
                                case "number":
                                if (thisfield.value == "") {
                                        if (!thisfield.getAttribute('vname')) {
                                                fieldName = thisfield.name;
                                                fieldName = fieldName.replace (/_/g, " ");
                                        }
                                        else
                                        {
                                                fieldName = thisfield.getAttribute('vname');
                                        }
                                        alertOut+=("\"" + fieldName + "\" must contain a number.\n");
                                        valid=false;
                                        }
                                break
                                case "e-mail":
                                apos=thisfield.value.indexOf("@")
                                dotpos=thisfield.value.lastIndexOf(".")
                                if (apos<1||dotpos-apos<2) {
                                        if (!thisfield.getAttribute('vname')) {
                                                fieldName = thisfield.name;
                                                fieldName = fieldName.replace (/_/g, " ");
                                        }
                                        else
                                        {
                                                fieldName = thisfield.getAttribute('vname');
                                        }
                                        alertOut+=("\"" + fieldName + "\" must contain a valid e-mail address.\n");
                                        valid=false;
                                        }
                                break
								case "cost":
                                 if (isNaN(thisfield.value)) {
                                        if (!thisfield.getAttribute('vname')) {
                                                fieldName = thisfield.name;
                                                fieldName = fieldName.replace (/_/g, " ");
                                        }
                                        else
                                        {
                                                fieldName = thisfield.getAttribute('vname');
                                        }
                                        alertOut+=("\"" + fieldName + "\" must contain a valid cost.\n");
                                        valid=false;
                                        }
                                break
                        }
                }
 if (!valid) {return false} else {return true};
}

function validateFields(thisform) {
	 alertOut="";
	 var valid=true;
	 var validRet=true;
	 for (i=0; i<thisform.elements.length; i++) {
		if (thisform.elements[i].getAttribute('vdt') != undefined) {
				validRet=validateField(thisform.elements[i]);
				if (!validRet) valid=false;
			}
		}
	if (!valid) {
		alert(alertOut);
		return false;
	} else {
	return true;
}

}

function validatePassword (pass,conf,len) {
	var passVal=document.getElementById(pass).value;
	var passConfVal=document.getElementById(conf).value;
	var alphaReg = /[a-z]/;
  	var numReg = /[0-9]/;

	if (alphaReg.test(passVal) && numReg.test(passVal)) {
        //      return true;
        }
        else
        {
                alert ('Your password must contain at least one lowercase letter and at least one number.');
		return false;
        }
	
	if (passVal!=passConfVal) {
		alert ('Your password and the confirmation password do not match. Please try again.');
		return false;
	}

	if (passVal.length < len) {
		alert ('Your password is too short. It must be at least '+len+' characters and contain at least one lowercase letter and at least one number.');
		return false;
	}
	
	return true;
}
		
var keyStr = "ABCDEFGHIJKLMNOP" +
                "QRSTUVWXYZabcdef" +
                "ghijklmnopqrstuv" +
                "wxyz0123456789+/" +
                "=";

   function encode64(input) {
      var output = "";
      var chr1, chr2, chr3 = "";
      var enc1, enc2, enc3, enc4 = "";
      var i = 0;

      do {
         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 +
            keyStr.charAt(enc1) +
            keyStr.charAt(enc2) +
            keyStr.charAt(enc3) +
            keyStr.charAt(enc4);
         chr1 = chr2 = chr3 = "";
         enc1 = enc2 = enc3 = enc4 = "";
      } while (i < input.length);

      return output;
   }

   function decode64(input) {
      var output = "";
      var chr1, chr2, chr3 = "";
      var enc1, enc2, enc3, enc4 = "";
      var i = 0;

      // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
      var base64test = /[^A-Za-z0-9\+\/\=]/g;
      if (base64test.exec(input)) {
         alert("There were invalid base64 characters in the input text.\n" +
               "Valid base64 characters are A-Z, a-z, 0-9, ?, ?, and ?\n" +
               "Expect errors in decoding.");
      }
      input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

      do {
         enc1 = keyStr.indexOf(input.charAt(i++));
         enc2 = keyStr.indexOf(input.charAt(i++));
         enc3 = keyStr.indexOf(input.charAt(i++));
         enc4 = 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);
         }

         chr1 = chr2 = chr3 = "";
         enc1 = enc2 = enc3 = enc4 = "";

      } while (i < input.length);

      return output;
   }

/*
 *  md5.js 1.0b 27/06/96
 *
 * Javascript implementation of the RSA Data Security, Inc. MD5
 * Message-Digest Algorithm.
 *
 * Copyright (c) 1996 Henri Torgemane. All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for any purposes and without
 * fee is hereby granted provided that this copyright notice
 * appears in all copies.
 *
 * Of course, this soft is provided "as is" without express or implied
 * warranty of any kind.
 *
 *
 * Modified with german comments and some information about collisions.
 * (Ralf Mieke, ralf@miekenet.de, http://mieke.home.pages.de)
 */

function array(n) {
  for(i=0;i<n;i++) this[i]=0;
  this.length=n;
}

/* Einige grundlegenden Funktionen mussen wegen
 * Javascript Fehlern umgeschrieben werden.
 * Man versuche z.B. 0xffffffff >> 4 zu berechnen..
 * Die nun verwendeten Funktionen sind zwar langsamer als die Originale,
 * aber sie funktionieren.
 */

function integer(n) { return n%(0xffffffff+1); }

function shr(a,b) {
  a=integer(a);
  b=integer(b);
  if (a-0x80000000>=0) {
    a=a%0x80000000;
    a>>=b;
    a+=0x40000000>>(b-1);
  } else
    a>>=b;
  return a;
}

function shl1(a) {
  a=a%0x80000000;
  if (a&0x40000000==0x40000000)
  {
    a-=0x40000000;
    a*=2;
    a+=0x80000000;
  } else
    a*=2;
  return a;
}

function shl(a,b) {
  a=integer(a);
  b=integer(b);
  for (var i=0;i<b;i++) a=shl1(a);
  return a;
}

function and(a,b) {
  a=integer(a);
  b=integer(b);
  var t1=(a-0x80000000);
  var t2=(b-0x80000000);
  if (t1>=0)
    if (t2>=0)
      return ((t1&t2)+0x80000000);
    else
      return (t1&b);
  else
    if (t2>=0)
      return (a&t2);
    else
      return (a&b);
}

function or(a,b) {
  a=integer(a);
  b=integer(b);
  var t1=(a-0x80000000);
  var t2=(b-0x80000000);
  if (t1>=0)
    if (t2>=0)
      return ((t1|t2)+0x80000000);
    else
      return ((t1|b)+0x80000000);
  else
    if (t2>=0)
      return ((a|t2)+0x80000000);
    else
      return (a|b);
}

function xor(a,b) {
  a=integer(a);
  b=integer(b);
  var t1=(a-0x80000000);
  var t2=(b-0x80000000);
  if (t1>=0)
    if (t2>=0)
      return (t1^t2);
    else
      return ((t1^b)+0x80000000);
  else
    if (t2>=0)
      return ((a^t2)+0x80000000);
    else
      return (a^b);
}

function not(a) {
  a=integer(a);
  return (0xffffffff-a);
}

/* Beginn des Algorithmus */

    var state = new array(4);
    var count = new array(2);
        count[0] = 0;
        count[1] = 0;
    var buffer = new array(64);
    var transformBuffer = new array(16);
    var digestBits = new array(16);

    var S11 = 7;
    var S12 = 12;
    var S13 = 17;
    var S14 = 22;
    var S21 = 5;
    var S22 = 9;
    var S23 = 14;
    var S24 = 20;
    var S31 = 4;
    var S32 = 11;
    var S33 = 16;
    var S34 = 23;
    var S41 = 6;
    var S42 = 10;
    var S43 = 15;
    var S44 = 21;

    function F(x,y,z) {
        return or(and(x,y),and(not(x),z));
    }

    function G(x,y,z) {
        return or(and(x,z),and(y,not(z)));
    }

    function H(x,y,z) {
        return xor(xor(x,y),z);
    }

    function I(x,y,z) {
        return xor(y ,or(x , not(z)));
    }

    function rotateLeft(a,n) {
        return or(shl(a, n),(shr(a,(32 - n))));
    }

    function FF(a,b,c,d,x,s,ac) {
        a = a+F(b, c, d) + x + ac;
        a = rotateLeft(a, s);
        a = a+b;
        return a;
    }

    function GG(a,b,c,d,x,s,ac) {
        a = a+G(b, c, d) +x + ac;
        a = rotateLeft(a, s);
        a = a+b;
        return a;
    }

    function HH(a,b,c,d,x,s,ac) {
        a = a+H(b, c, d) + x + ac;
        a = rotateLeft(a, s);
        a = a+b;
        return a;
    }

    function II(a,b,c,d,x,s,ac) {
        a = a+I(b, c, d) + x + ac;
        a = rotateLeft(a, s);
        a = a+b;
        return a;
    }

    function transform(buf,offset) {
        var a=0, b=0, c=0, d=0;
        var x = transformBuffer;

        a = state[0];
        b = state[1];
        c = state[2];
        d = state[3];

        for (i = 0; i < 16; i++) {
            x[i] = and(buf[i*4+offset],0xff);
            for (j = 1; j < 4; j++) {
                x[i]+=shl(and(buf[i*4+j+offset] ,0xff), j * 8);
            }
        }

        /* Runde 1 */
        a = FF ( a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
        d = FF ( d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
        c = FF ( c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
        b = FF ( b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
        a = FF ( a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
        d = FF ( d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
        c = FF ( c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
        b = FF ( b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
        a = FF ( a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
        d = FF ( d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
        c = FF ( c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
        b = FF ( b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
        a = FF ( a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
        d = FF ( d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
        c = FF ( c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
        b = FF ( b, c, d, a, x[15], S14, 0x49b40821); /* 16 */

        /* Runde 2 */
        a = GG ( a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
        d = GG ( d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
        c = GG ( c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
        b = GG ( b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
        a = GG ( a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
        d = GG ( d, a, b, c, x[10], S22,  0x2441453); /* 22 */
        c = GG ( c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
        b = GG ( b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
        a = GG ( a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
        d = GG ( d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
        c = GG ( c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
        b = GG ( b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
        a = GG ( a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
        d = GG ( d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
        c = GG ( c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
        b = GG ( b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */

        /* Runde 3 */
        a = HH ( a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
        d = HH ( d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
        c = HH ( c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
        b = HH ( b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
        a = HH ( a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
        d = HH ( d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
        c = HH ( c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
        b = HH ( b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
        a = HH ( a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
        d = HH ( d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
        c = HH ( c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
        b = HH ( b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
        a = HH ( a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
        d = HH ( d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
        c = HH ( c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
        b = HH ( b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */

        /* Runde 4 */
        a = II ( a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
        d = II ( d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
        c = II ( c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
        b = II ( b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
        a = II ( a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
        d = II ( d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
        c = II ( c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
        b = II ( b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
        a = II ( a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
        d = II ( d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
        c = II ( c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
        b = II ( b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
        a = II ( a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
        d = II ( d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
        c = II ( c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
        b = II ( b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */

        state[0] +=a;
        state[1] +=b;
        state[2] +=c;
        state[3] +=d;

    }
    /* Mit der Initialisierung von Dobbertin:
       state[0] = 0x12ac2375;
       state[1] = 0x3b341042;
       state[2] = 0x5f62b97c;
       state[3] = 0x4ba763ed;
       gibt es eine Kollision:

       begin 644 Message1
       M7MH=JO6_>MG!X?!51$)W,CXV!A"=(!AR71,<X`Y-IIT9^Z&8L$2N'Y*Y:R.;
       39GIK9>TF$W()/MEHR%C4:G1R:Q"=
       `
       end

       begin 644 Message2
       M7MH=JO6_>MG!X?!51$)W,CXV!A"=(!AR71,<X`Y-IIT9^Z&8L$2N'Y*Y:R.;
       39GIK9>TF$W()/MEHREC4:G1R:Q"=
       `
       end
    */
    function init() {
        count[0]=count[1] = 0;
        state[0] = 0x67452301;
        state[1] = 0xefcdab89;
        state[2] = 0x98badcfe;
        state[3] = 0x10325476;
        for (i = 0; i < digestBits.length; i++)
            digestBits[i] = 0;
    }

    function update(b) {
        var index,i;

        index = and(shr(count[0],3) , 0x3f);
        if (count[0]<0xffffffff-7)
          count[0] += 8;
        else {
          count[1]++;
          count[0]-=0xffffffff+1;
          count[0]+=8;
        }
        buffer[index] = and(b,0xff);
        if (index  >= 63) {
            transform(buffer, 0);
        }
    }

    function finish() {
        var bits = new array(8);
        var        padding;
        var        i=0, index=0, padLen=0;

        for (i = 0; i < 4; i++) {
            bits[i] = and(shr(count[0],(i * 8)), 0xff);
        }
        for (i = 0; i < 4; i++) {
            bits[i+4]=and(shr(count[1],(i * 8)), 0xff);
        }
        index = and(shr(count[0], 3) ,0x3f);
        padLen = (index < 56) ? (56 - index) : (120 - index);
        padding = new array(64);
        padding[0] = 0x80;
        for (i=0;i<padLen;i++)
          update(padding[i]);
        for (i=0;i<8;i++)
          update(bits[i]);

        for (i = 0; i < 4; i++) {
            for (j = 0; j < 4; j++) {
                digestBits[i*4+j] = and(shr(state[i], (j * 8)) , 0xff);
            }
        }
    }

/* Ende des MD5 Algorithmus */

function hexa(n) {
 var hexa_h = "0123456789abcdef";
 var hexa_c="";
 var hexa_m=n;
 for (hexa_i=0;hexa_i<8;hexa_i++) {
   hexa_c=hexa_h.charAt(Math.abs(hexa_m)%16)+hexa_c;
   hexa_m=Math.floor(hexa_m/16);
 }
 return hexa_c;
}

var ascii="01234567890123456789012345678901" +
          " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ"+
          "[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";

function MD5(nachricht)
{
 var l,s,k,ka,kb,kc,kd;

 init();
 for (k=0;k<nachricht.length;k++) {
   l=nachricht.charAt(k);
   update(ascii.lastIndexOf(l));
 }
 finish();
 ka=kb=kc=kd=0;
 for (i=0;i<4;i++) ka+=shl(digestBits[15-i], (i*8));
 for (i=4;i<8;i++) kb+=shl(digestBits[15-i], ((i-4)*8));
 for (i=8;i<12;i++) kc+=shl(digestBits[15-i], ((i-8)*8));
 for (i=12;i<16;i++) kd+=shl(digestBits[15-i], ((i-12)*8));
 s=hexa(kd)+hexa(kc)+hexa(kb)+hexa(ka);
 return s;
}


