var browser = navigator.appName;
var browserVersion = navigator.appVersion.substring(0,1);
var xmlhttp;

function getVote(number){
    xmlhttp=GetXmlHttpObject();
    if (xmlhttp==null)
    {
	alert ("Browser does not support HTTP Request");
	return;
    }
    var url="poll_vote.php";
    url=url+"?vote="+number;
    url=url+"&sid="+Math.random();
    xmlhttp.onreadystatechange=stateChanged;
    xmlhttp.open("GET",url,true);
    xmlhttp.send(null);
}

function stateChanged(){
    if (xmlhttp.readyState==4) {
	document.getElementById("poll").innerHTML=xmlhttp.responseText;
    }
}

function GetXmlHttpObject(){
    var objXMLHttp=null;
    if (window.XMLHttpRequest)
    {
	objXMLHttp=new XMLHttpRequest();
    }
    else if (window.ActiveXObject)
    {
	objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
    return objXMLHttp;
}

function addSearchProvider() {
    try {
	window.external.AddSearchProvider('http://www.cafeuni.de/plugin/cafeuni.xml');
    }
    catch (e) {
	alert("Browser muss neuer als Firefox 2 oder Internet Explorer 7 sein");
	return;
    }
}

function sms_length(Target) {
    var maxlen =106;
    StrLen = Target.value.length;
    if (StrLen == 1 && Target.value.substring(0,1) == ' ')
    {
	Target.value = '';
	StrLen = 0;
    }
    if (StrLen > maxlen)
    {
	Target.value = Target.value.substring(0,maxlen);
	CharsLeft = 0;
	StrLen = maxlen;
    }
    else {
	CharsLeft = maxlen - StrLen;
    }
    document.getElementById('sms_counter').innerHTML = StrLen + '/' + maxlen;
}

function editChanged(Target) {
    StrId = Target.id;
    StrIdOld = StrId + 'old'
    if (Target.tagName == "SELECT")
	StrNew = Target.selectedIndex;
    else
	StrNew = Target.value;
    //document.getElementById('tr').value =StrNew;
    StrOld = document.getElementById(StrIdOld).value
    if (StrOld == StrNew) {
	document.getElementById('btnGo').disabled = true;
    }
    else {
	document.getElementById('btnGo').disabled = false;
    }
}

function showProgress(e,text){
    if(document.all)e = event;

    var obj = document.getElementById('tooltip');
    var obj2 = document.getElementById('tooltip_content');
    obj2.innerHTML = text;
    obj.style.display = 'block';
    var st = Math.max(document.body.scrollTop,document.documentElement.scrollTop);
    if(navigator.userAgent.toLowerCase().indexOf('safari')>=0)st=0;
    var leftPos = e.clientX - 25;
    if(leftPos<0)leftPos = 0;
    obj.style.left = leftPos + 'px';
    obj.style.top = e.clientY - obj.offsetHeight -21 + st + 'px';
}



function hideProgress()
{
    document.getElementById('tooltip').style.display = 'none';

}
 	
function showToolTip(e,text){
    if(document.all)e = event;
	
    var obj = document.getElementById('tooltip');
    var obj2 = document.getElementById('tooltip_content');
    obj2.innerHTML = text;
    obj.style.display = 'block';
    var st = Math.max(document.body.scrollTop,document.documentElement.scrollTop);
    if(navigator.userAgent.toLowerCase().indexOf('safari')>=0)st=0;
    var leftPos = e.clientX - 25;
    if(leftPos<0)leftPos = 0;
    obj.style.left = leftPos + 'px';
    obj.style.top = e.clientY - obj.offsetHeight -21 + st + 'px';
}	



function hideToolTip()
{
    document.getElementById('tooltip').style.display = 'none';
	
}	


/**
 *  author:		Timothy Groves - b
 *	version:	1.2 - 2006-11-17
 *              1.3 - 2006-12-04
 *              2.0 - 2007-02-07
 *              2.1.1 - 2007-04-13
 *              2.1.2 - 2007-07-07
 *              2.1.3 - 2007-07-19
 *
 */


if (typeof(bcs) == "undefined")
    _b = bcs = {};


if (typeof(_b.Autosuggest) == "undefined")
    _b.Autosuggest = {};
else
    alert("Autosuggest is already set!");


_b.AutoSuggest = function (id, param)
{
    // no DOM - give up!
    //
    if (!document.getElementById)
	return 0;
	
	
	
	
    // get field via DOM
    //
    this.fld = _b.DOM.gE(id);

    if (!this.fld)
	return 0;
	
	
	
	
    // init variables
    //
    this.sInp 	= "";
    this.nInpC 	= 0;
    this.aSug 	= [];
    this.iHigh 	= 0;
	
	
	
	
    // parameters object
    //
    this.oP = param ? param : {};
	
    // defaults
    //
    var k, def = {
	minchars:1,
	meth:"get",
	varname:"input",
	className:"autosuggest",
	timeout:2500,
	delay:500,
	offsety:-5,
	shownoresults: true,
	noresults: "No results!",
	maxheight: 250,
	cache: true,
	maxentries: 25
    };
    for (k in def)
    {
	if (typeof(this.oP[k]) != typeof(def[k]))
	    this.oP[k] = def[k];
    }
	
	
    // set keyup handler for field
    // and prevent autocomplete from client
    //
    var p = this;
	
    // NOTE: not using addEventListener because UpArrow fired twice in Safari
    //_b.DOM.addEvent( this.fld, 'keyup', function(ev){ return pointer.onKeyPress(ev); } );
	
    this.fld.onkeypress 	= function(ev){
	return p.onKeyPress(ev);
    };
    this.fld.onclick 	= function(ev){
	return p.onclick(ev);
    };
    this.fld.onkeyup 		= function(ev){
	return p.onKeyUp(ev);
    };
	
    this.fld.setAttribute("autocomplete","off");
};


_b.AutoSuggest.prototype.onClick = function(ev){
    this.setHighlightedValue();
    return bubble;
};


_b.AutoSuggest.prototype.addCharacter = function (c, l) {
    this.fld.value +=c;
    this.fld.focus();
    document.getElementById('langF').value = l;
    this.getSuggestions(this.fld.value);
//ss.value +=c;
//ss.focus();
//getSuggestions(ss.value);
//this.form.input.value = this.form.input.value + '?';
//this.form.input.focus();
}


_b.AutoSuggest.prototype.onKeyPress = function(ev)
{
	
    var key = (window.event) ? window.event.keyCode : ev.keyCode;
    // set responses to keydown events in the field
    // this allows the user to use the arrow keys to scroll through the results
    // ESCAPE clears the list
    // TAB sets the current highlighted value
    //
    var RETURN = 13;
    var TAB = 9;
    var ESC = 27;
	
    var bubble = 1;

    switch(key)
    {
	case RETURN:
	    this.setHighlightedValue();
	    bubble = 0;
	    break;

	case ESC:
	    this.clearSuggestions();
	    break;
    }

    return bubble;
};



_b.AutoSuggest.prototype.onKeyUp = function(ev)
{
    var key = (window.event) ? window.event.keyCode : ev.keyCode;
	


    // set responses to keydown events in the field
    // this allows the user to use the arrow keys to scroll through the results
    // ESCAPE clears the list
    // TAB sets the current highlighted value
    //

    var ARRUP = 38;
    var ARRDN = 40;
	
    var bubble = 1;

    switch(key)
    {
	case ARRUP:
	    this.changeHighlight(key);
	    bubble = 0;
	    break;


	case ARRDN:
	    this.changeHighlight(key);
	    bubble = 0;
	    break;
		
		
	default:
	    this.getSuggestions(this.fld.value);
    }

    return bubble;
	

};


_b.AutoSuggest.prototype.getSuggestions = function (val)
{
	
    // if input stays the same, do nothing
    //
    if (val == this.sInp)
	return 0;
	
	
    // kill list
    //
    _b.DOM.remE(this.idAs);
	
	
    this.sInp = val;
	
	
    // input length is less than the min required to trigger a request
    // do nothing
    //
    if (val.length < this.oP.minchars)
    {
	this.aSug = [];
	this.nInpC = val.length;
	return 0;
    }
	
	
	
	
    var ol = this.nInpC; // old length
    this.nInpC = val.length ? val.length : 0;
	
	
	
    // if caching enabled, and user is typing (ie. length of input is increasing)
    // filter results out of aSuggestions from last request
    //
    var l = this.aSug.length;
    if (this.nInpC > ol && l && l<this.oP.maxentries && this.oP.cache)
    {
	var arr = [];
	for (var i=0;i<l;i++)
	{
	    if (this.aSug[i].value.substr(0,val.length).toLowerCase() == val.toLowerCase())
		arr.push( this.aSug[i] );
	}
	this.aSug = arr;
		
	this.createList(this.aSug);
		
		
		
	return false;
    }
    else
    // do new request
    //
    {
	var pointer = this;
	var input = this.sInp;
	clearTimeout(this.ajID);
	this.ajID = setTimeout( function() {
	    pointer.doAjaxRequest(input)
	}, this.oP.delay );
    }

    return false;
};





_b.AutoSuggest.prototype.doAjaxRequest = function (input)
{
    // check that saved input is still the value of the field
    //
    if (input != this.fld.value)
	return false;
	
	
    var pointer = this;
	
	
    // create ajax request
    //
    if (typeof(this.oP.script) == "function")
	var url = this.oP.script(encodeURIComponent(this.sInp));
    else
	var url = this.oP.script+this.oP.varname+"="+encodeURIComponent(this.sInp);
	
    if (!url)
	return false;
	
    var meth = this.oP.meth;
    var input = this.sInp;
	
    var onSuccessFunc = function (req) {
	pointer.setSuggestions(req, input)
    };
    var onErrorFunc = function (status) {  }; //alert("AJAX error: "+status);

    var myAjax = new _b.Ajax();
    myAjax.makeRequest( url, meth, onSuccessFunc, onErrorFunc );
};





_b.AutoSuggest.prototype.setSuggestions = function (req, input)
{
    // if field input no longer matches what was passed to the request
    // don't show the suggestions
    //
    if (input != this.fld.value)
	return false;
	
	
    this.aSug = [];
	
	
    if (this.oP.json)
    {
	var jsondata = eval('(' + req.responseText + ')');
		
	for (var i=0;i<jsondata.results.length;i++)
	{
	    this.aSug.push(  {
		'id':jsondata.results[i].id,
		'value':jsondata.results[i].value,
		'info':jsondata.results[i].info
	    } );
	}
    }
    else
    {

	var xml = req.responseXML;
	
	// traverse xml
	//
	var results = xml.getElementsByTagName('results')[0].childNodes;

	for (var i=0;i<results.length;i++)
	{
	    if (results[i].hasChildNodes())
		this.aSug.push(  {
		    'id':results[i].getAttribute('id'),
		    'value':results[i].childNodes[0].nodeValue,
		    'info':results[i].getAttribute('info')
		} );
	}
	
    }
	
    this.idAs = "as_"+this.fld.id;
	

    this.createList(this.aSug);

};


_b.AutoSuggest.prototype.createList = function(arr)
{
    var pointer = this;
	
	
	
	
    // get rid of old list
    // and clear the list removal timeout
    //
    _b.DOM.remE(this.idAs);
    this.killTimeout();
	
	
    // if no results, and shownoresults is false, do nothing
    //
    if (arr.length == 0 && !this.oP.shownoresults)
	return false;
	
	
    // create holding div
    //
    var div = _b.DOM.cE("div", {
	id:this.idAs,
	className:this.oP.className
    });
	
    var hcorner = _b.DOM.cE("div", {
	className:"as_corner"
    });
    var hbar = _b.DOM.cE("div", {
	className:"as_bar"
    });
    var header = _b.DOM.cE("div", {
	className:"as_header"
    });
    header.appendChild(hcorner);
    header.appendChild(hbar);
    div.appendChild(header);
	
	
	
	
    // create and populate ul
    //
    var ul = _b.DOM.cE("ul", {
	id:"as_ul"
    });
	
	
	
	
    // loop throught arr of suggestions
    // creating an LI element for each suggestion
    //
    for (var i=0;i<arr.length;i++)
    {
	// format output with the input enclosed in a EM element
	// (as HTML, not DOM)
	//
	var val = arr[i].value;
	var st = val.toLowerCase().indexOf( this.sInp.toLowerCase() );
	var output = val.substring(0,st) + "<em>" +
	val.substring(st, st+this.sInp.length) + "</em>" +
	val.substring(st+this.sInp.length);
		
		
	var span 		= _b.DOM.cE("span", {}, output, true);
	if (arr[i].info != "")
	{
	    var br			= _b.DOM.cE("br", {});
	    span.appendChild(br);
	//var small		= _b.DOM.cE("small", {}, arr[i].value);
	//span.appendChild(small);
	}
	// var a 		= _b.DOM.cE("a", { href:"index2.php?wort="+arr[i].value+"&langF="+ arr[i].info +"" });
	var a 		= _b.DOM.cE("a", {
	    href:"#"
	});
		
	var tl 		= _b.DOM.cE("span", {
	    className:"tl"
	}, " ");
	var tr 		= _b.DOM.cE("span", {
	    className:"tr"
	}, " ");
	a.appendChild(tl);
	a.appendChild(tr);
		
	a.appendChild(span);
		
	a.name = i+1;
	a.onclick = function () {
	    pointer.setHighlightedValue();
	    return true;
	};
	a.onmouseover = function () {
	    pointer.setHighlight(this.name);
	};
		
	var li = _b.DOM.cE(  "li", {}, a  );
		
	ul.appendChild( li );
    }
	
	
    // no results
    //
    if (arr.length == 0 && this.oP.shownoresults)
    {
	var li = _b.DOM.cE(  "li", {
	    className:"as_warning"
	}, this.oP.noresults  );
	ul.appendChild( li );
    }
	
	
    div.appendChild( ul );
	
	
    var fcorner = _b.DOM.cE("div", {
	className:"as_corner"
    });
    var fbar = _b.DOM.cE("div", {
	className:"as_bar"
    });
    var footer = _b.DOM.cE("div", {
	className:"as_footer"
    });
    footer.appendChild(fcorner);
    footer.appendChild(fbar);
    div.appendChild(footer);
	
	
	
    // get position of target textfield
    // position holding div below it
    // set width of holding div to width of field
    //
    var pos = _b.DOM.getPos(this.fld);
	
    //div.style.left 		= pos.x + "px";
    //div.style.top 		= ( pos.y + this.fld.offsetHeight + this.oP.offsety ) + "px";
    //div.style.width 	= this.fld.offsetWidth + "px";
	
	
	
    // set mouseover functions for div
    // when mouse pointer leaves div, set a timeout to remove the list after an interval
    // when mouse enters div, kill the timeout so the list won't be removed
    //
    div.onmouseover 	= function(){
	pointer.killTimeout()
    };
    div.onmouseout 		= function(){
	pointer.resetTimeout()
    };


    // add DIV to document
    //
    // document.getElementsByTagName("body")[0].appendChild(div);
    document.getElementById("search_suggest").appendChild(div);
	
	
    // currently no item is highlighted
    //
    this.iHigh = 0;
	
	
	
	
	
	
    // remove list after an interval
    //
    var pointer = this;
    this.toID = setTimeout(function () {
	pointer.clearSuggestions()
    }, this.oP.timeout);
};


_b.AutoSuggest.prototype.changeHighlight = function(key)
{	
    var list = _b.DOM.gE("as_ul");
    if (!list)
	return false;
	
    var n;

    if (key == 40)
	n = this.iHigh + 1;
    else if (key == 38)
	n = this.iHigh - 1;
	
	
    if (n > list.childNodes.length)
	n = list.childNodes.length;
    if (n < 1)
	n = 1;
	
	
    this.setHighlight(n);
};



_b.AutoSuggest.prototype.setHighlight = function(n)
{
    var list = _b.DOM.gE("as_ul");
    if (!list)
	return false;
	
    if (this.iHigh > 0)
	this.clearHighlight();
	
    this.iHigh = Number(n);
	
    list.childNodes[this.iHigh-1].className = "as_highlight";


    this.killTimeout();
};


_b.AutoSuggest.prototype.clearHighlight = function()
{
    var list = _b.DOM.gE("as_ul");
    if (!list)
	return false;
	
    if (this.iHigh > 0)
    {
	list.childNodes[this.iHigh-1].className = "";
	this.iHigh = 0;
    }
};


_b.AutoSuggest.prototype.setHighlightedValue = function ()
{
    if (this.iHigh)
    {
	this.sInp = this.fld.value = this.aSug[ this.iHigh-1 ].value;
		
	// move cursor to end of input (safari)
	//
	this.fld.focus();
	if (this.fld.selectionStart)
	    this.fld.setSelectionRange(this.sInp.length, this.sInp.length);
		

	this.clearSuggestions();
		
	// pass selected object to callback function, if exists
	//
	if (typeof(this.oP.callback) == "function")
	    this.oP.callback( this.aSug[this.iHigh-1] );
    }
};













_b.AutoSuggest.prototype.killTimeout = function()
{
    clearTimeout(this.toID);
};

_b.AutoSuggest.prototype.resetTimeout = function()
{
    clearTimeout(this.toID);
    var pointer = this;
    this.toID = setTimeout(function () {
	pointer.clearSuggestions()
    }, 1000);
};







_b.AutoSuggest.prototype.clearSuggestions = function ()
{
	
    this.killTimeout();
	
    var ele = _b.DOM.gE(this.idAs);
    var pointer = this;
    if (ele)
    {
	var fade = new _b.Fader(ele,1,0,250,function () {
	    _b.DOM.remE(pointer.idAs)
	});
    }
};










// AJAX PROTOTYPE _____________________________________________


if (typeof(_b.Ajax) == "undefined")
    _b.Ajax = {};



_b.Ajax = function ()
{
    this.req = {};
    this.isIE = false;
};



_b.Ajax.prototype.makeRequest = function (url, meth, onComp, onErr)
{
	
    if (meth != "POST")
	meth = "GET";
	
    this.onComplete = onComp;
    this.onError = onErr;
	
    var pointer = this;
	
    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest)
    {
	this.req = new XMLHttpRequest();
	this.req.onreadystatechange = function () {
	    pointer.processReqChange()
	};
	this.req.open("GET", url, true); //
	this.req.send(null);
    // branch for IE/Windows ActiveX version
    }
    else if (window.ActiveXObject)
    {
	this.req = new ActiveXObject("Microsoft.XMLHTTP");
	if (this.req)
	{
	    this.req.onreadystatechange = function () {
		pointer.processReqChange()
	    };
	    this.req.open(meth, url, true);
	    this.req.send();
	}
    }
};


_b.Ajax.prototype.processReqChange = function()
{
	
    // only if req shows "loaded"
    if (this.req.readyState == 4) {
	// only if "OK"
	if (this.req.status == 200)
	{
	    this.onComplete( this.req );
	} else {
	    this.onError( this.req.status );
	}
    }
};










// DOM PROTOTYPE _____________________________________________


if (typeof(_b.DOM) == "undefined")
    _b.DOM = {};



/* create element */
_b.DOM.cE = function ( type, attr, cont, html )
{
    var ne = document.createElement( type );
    if (!ne)
	return 0;
		
    for (var a in attr)
	ne[a] = attr[a];
	
    var t = typeof(cont);
	
    if (t == "string" && !html)
	ne.appendChild( document.createTextNode(cont) );
    else if (t == "string" && html)
	ne.innerHTML = cont;
    else if (t == "object")
	ne.appendChild( cont );

    return ne;
};



/* get element */
_b.DOM.gE = function ( e )
{
    var t=typeof(e);
    if (t == "undefined")
	return 0;
    else if (t == "string")
    {
	var re = document.getElementById( e );
	if (!re)
	    return 0;
	else if (typeof(re.appendChild) != "undefined" )
	    return re;
	else
	    return 0;
    }
    else if (typeof(e.appendChild) != "undefined")
	return e;
    else
	return 0;
};



/* remove element */
_b.DOM.remE = function ( ele )
{
    var e = this.gE(ele);
	
    if (!e)
	return 0;
    else if (e.parentNode.removeChild(e))
	return true;
    else
	return 0;
};



/* get position */
_b.DOM.getPos = function ( e )
{
    var e = this.gE(e);

    var obj = e;

    var curleft = 0;
    if (obj.offsetParent)
    {
	while (obj.offsetParent)
	{
	    curleft += obj.offsetLeft;
	    obj = obj.offsetParent;
	}
    }
    else if (obj.x)
	curleft += obj.x;
	
    var obj = e;
	
    var curtop = 0;
    if (obj.offsetParent)
    {
	while (obj.offsetParent)
	{
	    curtop += obj.offsetTop;
	    obj = obj.offsetParent;
	}
    }
    else if (obj.y)
	curtop += obj.y;

    return {
	x:curleft,
	y:curtop
    };
};










// FADER PROTOTYPE _____________________________________________



if (typeof(_b.Fader) == "undefined")
    _b.Fader = {};





_b.Fader = function (ele, from, to, fadetime, callback)
{	
    if (!ele)
	return 0;
	
    this.e = ele;
	
    this.from = from;
    this.to = to;
	
    this.cb = callback;
	
    this.nDur = fadetime;
		
    this.nInt = 50;
    this.nTime = 0;
	
    var p = this;
    this.nID = setInterval(function() {
	p._fade()
    }, this.nInt);
};




_b.Fader.prototype._fade = function()
{
    this.nTime += this.nInt;
	
    var ieop = Math.round( this._tween(this.nTime, this.from, this.to, this.nDur) * 100 );
    var op = ieop / 100;
	
    if (this.e.filters) // internet explorer
    {
	try
	{
	    this.e.filters.item("DXImageTransform.Microsoft.Alpha").opacity = ieop;
	} catch (e) {
	    // If it is not set initially, the browser will throw an error.  This will set it if it is not set yet.
	    this.e.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity='+ieop+')';
	}
    }
    else // other browsers
    {
	this.e.style.opacity = op;
    }
	
	
    if (this.nTime == this.nDur)
    {
	clearInterval( this.nID );
	if (this.cb != undefined)
	    this.cb();
    }
};



_b.Fader.prototype._tween = function(t,b,c,d)
{
    return b + ( (c-b) * (t/d) );
};
