/* Javascript Funktionen
 * Erzeugt am: 18.10.2008
 * Versionskontrolle: $Id: atpl.js 240 2011-06-26 18:48:56Z heiko $
 */

// geschützte E-Mail Adressen entschlüsseln:
function hrwsMailTo(s) {	//
	var n=0;
	var r="";
	for(var i=0; i < s.length; i++) {
		n=s.charCodeAt(i);
		if (n>=8364) {n = 128;}
		r += String.fromCharCode(n-(1));
	}
	location.href=r;
}

// BB-Code Umsetzung
function dobb(bbelement, bbtext) {
	var bb = new Array();
	bb['URL'] = '[eurl]';
	bb['URL*'] = '[/eurl]';
	bb['f'] = '[b]';
	bb['f*'] = '[/b]';
	bb['k'] = '[i]';
	bb['k*'] = '[/i]';
	bb['u'] = '[u]';
	bb['u*'] = '[/u]';
	bb['Zitat'] = ' [quote]';
	bb['Zitat*'] = '[/quote] ';
	bb['Code'] = ' [code]';
	bb['Code*'] = '[/code] ';
	if (bb[bbelement.value] != '') {
		bbtext.value = bbtext.value + bb[bbelement.value];
		if (bbelement.value.charAt(bbelement.value.length-1) == '*')
			bbelement.value = bbelement.value.slice(0, bbelement.value.length-1);
		else bbelement.value = bbelement.value + '*';
	}
	bbtext.focus();
}

function toggleDisplay(id) {
	var el = document.getElementById(id);
	if (el) {
		if (el.style.display != 'block') el.style.display = 'block';
		else el.style.display = 'none';
	}
	return false;
}

// Cookie kompatibilität prüfen
var cookieOk = false;
if (navigator.cookieEnabled == true) {
	cookieOk = true;
}


if (window.ActiveXObject && !window.XMLHttpRequest){
  window.XMLHttpRequest = function() {
    progIds=new Array("Msxml2.XMLHTTP.6.0","Msxml2.XMLHTTP.5.0",
    "Msxml2.XMLHTTP.4.0","Msxml2.XMLHTTP.3.0","Msxml2.XMLHTTP",
    "Microsoft.XMLHTTP");
    for(i in progIds){
      try{ return new ActiveXObject(progIds[i]);}
      catch(ex){alert(progIds[i]);}
    }
    return null;
  };
}

var http = new XMLHttpRequest(); 
var httpTO = null;
var httpTOFunc = null;
var ajaxurl = '/hrwsAjax.server.php';

function genAjaxTimeout() {
  http.abort();
  if (httpTOFunc) httpTOFunc();
  else alert("Communication Timeout.");
}

function genPostRequest(url, data) {
  http.open("POST", url, true);
  //Send the proper header information along with the request
  http.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
  http.onreadystatechange = useHttpResponse;
  http.send(data);
  httpTO = setTimeout("genAjaxTimeout();",5000);
}

function genericRequest(query) {
	if (!cookieOk) query += "cookie=0";
	http.open("GET", ajaxurl + query, true);
	http.onreadystatechange = useHttpResponse;
	http.send(null);
  httpTO = setTimeout("genAjaxTimeout();",5000);
	return false;
}

function add2id(id, text) {
	var elem = document.getElementById(id);
	if (elem) {
		elem.innerHTML = elem.innerHTML + text;
	}
}

// Handling simple script tags (globaly defined function calls etc.)
function handleJSResponse(atext) {
	var expr=/<script.*?>([\s\S]*?)<\/script>/gmi;
	var result=expr.exec(atext);
	if (result != null) {
		if (result[1]) eval(result[1]);
	}
	while (result=expr.exec(atext)) { // execute at least twice
		if (result[1]) eval(result[1]);
	}
}

var ajax_scrollto = 0;
var ajax_noscroll = false;
// Handling a response
function useHttpResponse() {
	if (http.readyState == 4 && http.status == 200) {
		var response = http.responseText;
    clearTimeout(httpTO);
		if (response.indexOf('||') != -1) { // mehrere Inhalte...
			var update = new Array();
			update = response.split('||');
			for (i=0; i<update.length; i+=2) {
        if (update[i] == 'jsonly') {
          handleJSResponse(update[i+1]); // Method to apply only JS
        } else if (document.getElementById(update[i])) {
					document.getElementById(update[i]).innerHTML = update[i+1];
					handleJSResponse(update[i+1]);
				}
			}
		} else {
			if (document.getElementById('content')) {
				document.getElementById('content').innerHTML = response;
				handleJSResponse(response);
			}
		}
		if (ajax_noscroll)	ajax_noscroll = false;
		else {
			if (ajax_scrollto) {
				window.scrollTo(0,ajax_scrollto);
				ajax_scrollto = 0;
			} else window.scrollTo(0,0);
		}
	}
}

function hrwsAjax(page, site) {
	if ((site == null) || (site == "")) site = "index";
	if ((site == "index") && (location.pathname.substr(location.pathname.length-3,3)=="htm")) {
		return genericRequest("?site=" + site + "&page=" + page);
	}
	if ((location.pathname == "/"+site+".php") && ((location.search == "") || (location.search == "?page="+page))) {
		return genericRequest("?site=" + site + "&page=" + page);
	} else return true;
}

function hrwsXAjax(page, site) {
	if (hrwsAjax(page, site)) location.href="/"+site+".php?page="+page;
	return false;
}

function hrwsAjaxPost(page, site) {
	var theform = document.forms[page];
	if ((site == null) || (site == "")) site = "index";
	var query = "?site="+site+"&page="+page;
	var i=0;
	while(theform.elements[i]) {
		if (theform.elements[i].name != "") {
			if (theform.elements[i].type == "radio") {
				if (theform.elements[i].checked)
					query += "&" + theform.elements[i].name + "=" + escape(theform.elements[i].value);
			} else if (theform.elements[i].type == "checkbox") {
				if (theform.elements[i].checked)
					query += "&" + theform.elements[i].name + "=" + escape(theform.elements[i].value);
			} else {
				query += "&" + theform.elements[i].name + "=" + escape(theform.elements[i].value);
			}
		} else {
			if (theform.elements[i].type == "submit") {
				theform.elements[i].value = "... loading ...";
			}
		}
		theform.elements[i].disabled = true;
		i++;
	}
	query = query.replace(/\+/g, "%2B"); // preserve + sign
	genericRequest(query);
	return false;
}

function hrwsVerifyPost(page, site, radio) {
	var t = document.getElementsByName(radio);
	if (t) {
		var i=0;
		var found = false;
		while(t[i]) {
			if (t[i].type == "radio") {
				if (t[i].checked) found = true;
			}
      i++;
		}
		if (!found) {
      t[0].parentNode.style.background='#FFCCCC';
			alert("Please check dialog fields!");
			return false;
		}
	}
	return hrwsAjaxPost(page, site);
}

function XamNew(aId) {
	var frm = document.forms['new'];
	var i = 0;
	var query = "xamwnd.php?sbj="+aId;
	while(frm.elements[i]) {
		if (frm.elements[i].type == "submit") {
			frm.elements[i].value = "... loading ...";
		}
		frm.elements[i].disabled = true;
		i++;
	}
	window.open(query,"xamwnd","height=600px,width=800px,location=no,menubar=no,scrollbar=no,status=no");
	location.href='student.php';
	return false;
}
function XamNewSel(aId) {
	var frm = document.forms['new'];
	var i = 0;
	var query = "xamwnd.php?page=select&sbj="+aId;
	while(frm.elements[i]) {
		if (frm.elements[i].type == "submit") {
			frm.elements[i].value = "... loading ...";
		}
		frm.elements[i].disabled = true;
		i++;
	}
	window.open(query,"xamwnd","height=600px,width=800px,location=no,menubar=no,scrollbar=no,status=no");
	location.href='student.php';
	return false;
}
function XamReview(aId) {
	var query = "xamwnd.php?page=review&id="+aId;
	window.open(query,"xamwnd","height=600px,width=800px,location=no,menubar=no,scrollbar=no,status=no");
	return false;
}

function regCountry() {
	var theform = document.forms['register'];
	var query = "?site=contact&page=index";
	var i=0;
	if (theform.hra_country.value != '--') return;
	var l = (theform.usr_lang.value=='de')?"Fortfahren mit dieser Landauswahl?":"Continue with country selection?";
	if (confirm(l) == false) return;
	while(theform.elements[i]) {
		if (theform.elements[i].name != "") {
			if (theform.elements[i].type == "radio") {
				if (theform.elements[i].checked)
					query += "&" + theform.elements[i].name + "=" + escape(theform.elements[i].value);
			} else {
				query += "&" + theform.elements[i].name + "=" + escape(theform.elements[i].value);
			}
		} else {
			if (theform.elements[i].type == "submit") {
				theform.elements[i].value = "... loading ...";
			}
		}
		theform.elements[i].disabled = true;
		i++;
	}
	query = query.replace(/\+/g, "%2B"); // preserve + sign
	genericRequest(query);
	return false;
}


function hrwsContact(radio) {
	var tf = document.forms['index'];
	var found = false;
	var i = 0;
	var lang = "";
	var l = new Array();
  var t = null;
	l['de'] = "Bitte wählen Ja bei \"Eintrag senden\" wenn Sie uns Ihre Anfrage senden möchten.";
	l['en'] = "Please select yes in \"Send entry\" if you want to send us your request.";
	while(tf.elements[i]) {
		if (tf.elements[i].name == radio) {
      t = tf.elements[i];
			if (tf.elements[i].checked) found = true;
		} else if (tf.elements[i].name == 'ct_lang') {
			lang = tf.elements[i].value;
		}
		i++;
	}
	if (!found) {
    t.parentNode.style.background='#FFCCCC';
		alert(l[lang]);
		return false;
	}
	return hrwsAjaxPost('index', 'contact');
}

function hrwsConfirmPost(langfield, radiofield, page, site) {
	var tf = document.forms[page];
	var found = false;
	var i = 0;
	var lang = "";
	var l = new Array();
  var t = null;
	l['de'] = "Bitte wählen Ja bei \"Eintrag senden\" wenn Sie uns Ihre Anfrage senden möchten.";
	l['en'] = "Please select yes in \"Send Entry?\" if you want to send us your request.";
	while(tf.elements[i]) {
		if (tf.elements[i].name == radiofield) {
      t = tf.elements[i];
			if (tf.elements[i].checked) found = true;
		} else if (tf.elements[i].name == langfield) {
			lang = tf.elements[i].value;
		}
		i++;
	}
	if (!found) {
    t.parentNode.style.background='#FFCCCC';
		alert(l[lang]);
		return false;
	}
	return hrwsAjaxPost(page, site);
}
/*
function display(page, site) {
	if ((location.pathname == "/"+site+".php") && ((location.search == "") || (location.search == "?page="+page))) {
			alert("Ajax möglich ("+location.href+")");
	} else alert("Reload der Seite\npathname: "+location.pathname+"("+site+")\nsearch: "+location.search+"("+page+")");
}
*/

function pw() {
	return window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth
}
function mouseX(evt) {
	return evt.clientX ? evt.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft) : evt.pageX;
}
function popUp(evt,oi) {
	if (document.getElementById) {
		var wp = pw();
		if (window.innerWidth) ow = window.innerWidth;
		else if (document.body && document.body.offsetWidth) ow = document.body.offsetWidth;
		dm = document.getElementById(oi);
		ds = dm.style;
		st = ds.visibility;
		if (st == "visible" || st == "show") {
			ds.visibility = "hidden";
		} else {
			lv = (ow-860)/2 + 600;
			lv += 'px';
			ds.left = lv; ds.top = "280px"; ds.visibility = "visible";
		}
	}
}

/** DatePicker
 * Variablen und Funktionen zur grafisch unterstützten Datumauswahl
 */
var datePickerDivID = "datepicker";
var iFrameDivID = "datepickeriframe";
var dayArrayShort = new Array('Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa');
var monthArrayShort = new Array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');
var monthArrayLong = new Array('January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December');
var defaultDateSeparator = ".";        // common values would be "/" or "."
var defaultDateFormat = "dmy"    // valid values are "mdy", "dmy", and "ymd"
var dateSeparator = defaultDateSeparator;
var dateFormat = defaultDateFormat;

function displayDatePicker(dateFieldName, displayBelowThisObject, dtFormat, dtSep) {
	var targetDateField = document.getElementsByName (dateFieldName).item(0);
	if (!displayBelowThisObject) displayBelowThisObject = targetDateField;
	// aktualisiere Formate falls nötig...
	if (dtSep) dateSeparator = dtSep;
	else dateSeparator = defaultDateSeparator;
	if (dtFormat) dateFormat = dtFormat;
	else dateFormat = defaultDateFormat;
	var x = displayBelowThisObject.offsetLeft;
	var y = displayBelowThisObject.offsetTop + displayBelowThisObject.offsetHeight ;
	var parent = displayBelowThisObject;
	while (parent.offsetParent) {
		parent = parent.offsetParent;
		x += parent.offsetLeft;
		y += parent.offsetTop ;
	}
	drawDatePicker(targetDateField, x, y);
	return false;
}
function drawDatePicker(targetDateField, x, y) {
	var dt = getFieldDate(targetDateField.value );
	if (!document.getElementById(datePickerDivID)) {
		var newNode = document.createElement("div");
		newNode.setAttribute("id", datePickerDivID);
		newNode.setAttribute("class", "dpDiv");
		newNode.setAttribute("style", "visibility: hidden;");
		document.body.appendChild(newNode);
	}
	var pickerDiv = document.getElementById(datePickerDivID);
	pickerDiv.style.position = "absolute";
	pickerDiv.style.left = x + "px";
	pickerDiv.style.top = y + "px";
	pickerDiv.style.visibility = (pickerDiv.style.visibility == "visible" ? "hidden" : "visible");
	pickerDiv.style.display = (pickerDiv.style.display == "block" ? "none" : "block");
	pickerDiv.style.zIndex = 10000;
	refreshDatePicker(targetDateField.name, dt.getFullYear(), dt.getMonth(), dt.getDate());
}
function refreshDatePicker(dateFieldName, year, month, day) {
	var thisDay = new Date();
	if ((month >= 0) && (year > 0)) {
		thisDay = new Date(year, month, 1);
	} else {
		day = thisDay.getDate();
		thisDay.setDate(1);
	}
	var crlf = "\r\n";
	var TABLE = "<table cols=7 class='dpTable'>" + crlf;
	var xTABLE = "</table>" + crlf;
	var TR = "<tr class='dpTR'>";
	var TR_title = "<tr class='dpTitleTR'>";
	var TR_days = "<tr class='dpDayTR'>";
	var TR_todaybutton = "<tr class='dpTodayButtonTR'>";
	var xTR = "</tr>" + crlf;
	var TD = "<td class='dpTD' onMouseOut='this.className=\"dpTD\";' onMouseOver=' this.className=\"dpTDHover\";' ";    // leave this tag open, because we'll be adding an onClick event
	var TD_title = "<td colspan=5 class='dpTitleTD'>";
	var TD_buttons = "<td class='dpButtonTD'>";
	var TD_todaybutton = "<td colspan=7 class='dpTodayButtonTD'>";
	var TD_days = "<td class='dpDayTD'>";
	var TD_selected = "<td class='dpDayHighlightTD' onMouseOut='this.className=\"dpDayHighlightTD\";' onMouseOver='this.className=\"dpTDHover\";' ";    // leave this tag open, because we'll be adding an onClick event
	var xTD = "</td>" + crlf;
	var DIV_title = "<div class='dpTitleText'>";
	var DIV_selected = "<div class='dpDayHighlight'>";
	var xDIV = "</div>";
	var html = TABLE;
	html += TR_title;
	html += TD_buttons + getButtonCode(dateFieldName, thisDay, -1, "&lt;") + xTD;
	html += TD_title + DIV_title + monthArrayLong[ thisDay.getMonth()] + " " + thisDay.getFullYear() + xDIV + xTD;
	html += TD_buttons + getButtonCode(dateFieldName, thisDay, 1, "&gt;") + xTD;
	html += xTR;
	html += TR_days;
	for(i = 0; i < dayArrayShort.length; i++) html += TD_days + dayArrayShort[i] + xTD;
	html += xTR;
	html += TR;
	for (i = 0; i < thisDay.getDay(); i++) html += TD + "&nbsp;" + xTD;
	do {
		dayNum = thisDay.getDate();
		TD_onclick = " onclick=\"updateDateField('" + dateFieldName + "', '" + getDateString(thisDay) + "');\">";
		if (dayNum == day) html += TD_selected + TD_onclick + DIV_selected + dayNum + xDIV + xTD;
		else html += TD + TD_onclick + dayNum + xTD;
		if (thisDay.getDay() == 6) html += xTR + TR;
		thisDay.setDate(thisDay.getDate() + 1);
	} while (thisDay.getDate() > 1)
	if (thisDay.getDay() > 0) {
		for (i = 6; i > thisDay.getDay(); i--) html += TD + "&nbsp;" + xTD;
	}
	html += xTR;
	var today = new Date();
	//var todayString = "Today is " + dayArrayShort[today.getDay()] + ", " + monthArrayShort[ today.getMonth()] + " " + today.getDate();
	html += TR_todaybutton + TD_todaybutton;
	html += "<button class='dpTodayButton' onClick='refreshDatePicker(\"" + dateFieldName + "\");'>this month</button> ";
	html += "<button class='dpTodayButton' onClick='updateDateField(\"" + dateFieldName + "\");'>close</button>";
	html += xTD + xTR;
	html += xTABLE;
	document.getElementById(datePickerDivID).innerHTML = html;
	// add an "iFrame shim" to allow the datepicker to display above selection lists
	adjustiFrame();
}
function getButtonCode(dateFieldName, dateVal, adjust, label) {
	var newMonth = (dateVal.getMonth () + adjust) % 12;
	var newYear = dateVal.getFullYear() + parseInt((dateVal.getMonth() + adjust) / 12);
	if (newMonth < 0) {
		newMonth += 12;
		newYear += -1;
	}
	return "<button class='dpButton' onClick='refreshDatePicker(\"" + dateFieldName + "\", " + newYear + ", " + newMonth + ");'>" + label + "</button>";
}
function getDateString(dateVal) {
	var dayString = "00" + dateVal.getDate();
	var monthString = "00" + (dateVal.getMonth()+1);
	dayString = dayString.substring(dayString.length - 2);
	monthString = monthString.substring(monthString.length - 2);
	switch (dateFormat) {
	case "dmy" :
		return dayString + dateSeparator + monthString + dateSeparator + dateVal.getFullYear();
	case "ymd" :
		return dateVal.getFullYear() + dateSeparator + monthString + dateSeparator + dayString;
	case "mdy" :
	default :
		return monthString + dateSeparator + dayString + dateSeparator + dateVal.getFullYear();
	}
}
function getFieldDate(dateString) {
	var dateVal;
	var dArray;
	var d, m, y;
	try {
		dArray = splitDateString(dateString);
		if (dArray) {
			switch (dateFormat) {
			case "dmy" :
				d = parseInt(dArray[0], 10);
				m = parseInt(dArray[1], 10) - 1;
				y = parseInt(dArray[2], 10);
			break;
			case "ymd" :
				d = parseInt(dArray[2], 10);
				m = parseInt(dArray[1], 10) - 1;
				y = parseInt(dArray[0], 10);
			break;
			case "mdy" :
			default :
				d = parseInt(dArray[1], 10);
				m = parseInt(dArray[0], 10) - 1;
				y = parseInt(dArray[2], 10);
			break;
			}
			dateVal = new Date(y, m, d);
		} else if (dateString) {
			dateVal = new Date(dateString);
		} else {
			dateVal = new Date();
		}
	} catch(e) {
		dateVal = new Date();
	}
	return dateVal;
}
function splitDateString(dateString) {
	var dArray;
	if (dateString.indexOf("/") >= 0) dArray = dateString.split("/");
	else if (dateString.indexOf(".") >= 0) dArray = dateString.split(".");
	else if (dateString.indexOf("-") >= 0) dArray = dateString.split("-");
	else if (dateString.indexOf("\\") >= 0) dArray = dateString.split("\\");
	else dArray = false;
	return dArray;
}
function updateDateField(dateFieldName, dateString) {
	var targetDateField = document.getElementsByName (dateFieldName).item(0);
	if (dateString) targetDateField.value = dateString;
	var pickerDiv = document.getElementById(datePickerDivID);
	pickerDiv.style.visibility = "hidden";
	pickerDiv.style.display = "none";
	adjustiFrame();
	targetDateField.focus();
	if ((dateString) && (typeof(datePickerClosed) == "function")) datePickerClosed(targetDateField);
}
function adjustiFrame(pickerDiv, iFrameDiv) {
	var is_opera = (navigator.userAgent.toLowerCase().indexOf("opera") != -1);
	if (is_opera) return;
	try {
		if (!document.getElementById(iFrameDivID)) {
			var newNode = document.createElement("iFrame");
			newNode.setAttribute("id", iFrameDivID);
			newNode.setAttribute("src", "javascript:false;");
			newNode.setAttribute("scrolling", "no");
			newNode.setAttribute ("frameborder", "0");
			document.body.appendChild(newNode);
		}
		if (!pickerDiv) pickerDiv = document.getElementById(datePickerDivID);
		if (!iFrameDiv) iFrameDiv = document.getElementById(iFrameDivID);
		try {
			iFrameDiv.style.position = "absolute";
			iFrameDiv.style.width = pickerDiv.offsetWidth;
			iFrameDiv.style.height = pickerDiv.offsetHeight ;
			iFrameDiv.style.top = pickerDiv.style.top;
			iFrameDiv.style.left = pickerDiv.style.left;
			iFrameDiv.style.zIndex = pickerDiv.style.zIndex - 1;
			iFrameDiv.style.visibility = pickerDiv.style.visibility ;
			iFrameDiv.style.display = pickerDiv.style.display;
		} catch(e) {
		}
	} catch (ee) {
	}
}

function hrwsSimpleToggle(elem) {
	var el = document.getElementById(elem);
	if (el) {
		if (el.style.display != 'block') { // anzeigen
			el.style.display = 'block';
		} else { // verstecken
			el.style.display = 'none';
		}
		return false;
	}	
}

// Keycodes: TAB=9, ESC=27, pageup=33, pagedown=34, end=35, pos1=36 left=37, up=38, right=39, down=40
// Keycodes: a=65,b=66,c=67,d=68, l=76,m=77,n=78, v=86,z=90
// Keycodes: F1=112
var qh_next = "";
var qh_prev = "";
var qh_switch = "";
function QuestionHandler(ev) {
	// sensitive to i=73, l=76, n=78, v=86, left=37, right=39
  if (!ev) ev = window.event;
  if (ev.which) kc = ev.which;
  else if (ev.keyCode) kc = ev.keyCode;
	if (kc == 90) { // Zurück...
		return hrwsAjax(ajax_back_page, 'xam');
	} else if (kc == 76) { // display lösung
		return hrwsSimpleToggle('solution');
	} else if ((kc == 78) || (kc == 39)) { // display next question
		if (qh_switch == "n") return hrwsAjax('qview&switch=n', 'xam');
		if (qh_next != "") return hrwsAjax('qview&id='+qh_next,'xam'); //location.href="xam.php?page=qview&id="+qh_next;
	} else if ((kc == 86) || (kc == 37)) { // display previous question
		if (qh_switch == "p") return hrwsAjax('qview&switch=p', 'xam');
		if (qh_prev != "") return hrwsAjax('qview&id='+qh_prev,'xam'); //location.href="xam.php?page=qview&id="+qh_prev;
	} else if (kc == 73) { // display img if available
		if (qh_pic != "") return winOpen(qh_pic, 'ATPLimg');
	}
	return true;	
}

function enableForm(form, sbmtext) {
	var theform = document.forms[form];
	if (theform) {
		var i=0;
		while(theform.elements[i]) {
			theform.elements[i].disabled = false;
			if (theform.elements[i].type == "submit") {
				theform.elements[i].value = sbmtext;
			}
			i++;
		}
	}
}

function insiteQuery(page, site, sbmtext) {
	hrwsAjaxPost(page, site);
	ajax_scrollto = 310;
	ajax_noscroll = true;
	enableForm(page, sbmtext);
	return false;
}

var hwnd = null;
function winOpen(file, wnd) {
	hwnd = window.open(file,wnd,'width=900,height=660,left=0,top=0');
	hwnd.focus();
	return false;
}