function smilie(name) {
	document.inscribe.entry.value += name;
	document.inscribe.entry.focus();
}

function randomcode(dirname) {
	x = new Date().getTime();
	document.images.securecode.src = dirname + '/gaestebuch/securecode.php?x=' + x;
}

function show(id) {
	if(document.getElementById) {
		var mydiv = document.getElementById(id);
    	mydiv.style.display = (mydiv.style.display=='block'?'none':'block');
	}
}

function check()
{
	var checkboxes = document.getElementsByName('itemsUnlock[]');
    for(var i = 0; i < checkboxes.length; i++)
        checkboxes[i].checked = !checkboxes[i].checked;
}

function insert(aTag, eTag) {
  var input = document.forms['inscribe'].elements['entry'];
  input.focus();
  if(typeof document.selection != 'undefined') {
    var range = document.selection.createRange();
    var insText = range.text;
    range.text = aTag + insText + eTag;
    range = document.selection.createRange();
    if (insText.length == 0) {
      range.move('character', -eTag.length);
    } else {
      range.moveStart('character', aTag.length + insText.length + eTag.length);
    }
    range.select();
  }
  else if(typeof input.selectionStart != 'undefined')
  {
    var start = input.selectionStart;
    var end = input.selectionEnd;
    var insText = input.value.substring(start, end);
    if (aTag == "[url]") {
      var zwiTag = "[urlm]";
      input.value = input.value.substr(0, start) + aTag + insText + zwiTag + insText + eTag + input.value.substr(end)
    } else {
      input.value = input.value.substr(0, start) + aTag + insText + eTag + input.value.substr(end);
    }
    var pos;
    if (insText.length == 0) {
      pos = start + aTag.length;
    } else {
      pos = start + aTag.length + insText.length + eTag.length;
    }
    input.selectionStart = pos;
    input.selectionEnd = pos;
  }
  else
  {
    var pos;
    var re = new RegExp('^[0-9]{0,3}$');
    while(!re.test(pos)) {
      pos = prompt("Einfügen an Position (0.." + input.value.length + "):", "0");
    }
    if(pos > input.value.length) {
      pos = input.value.length;
    }
    var insText = prompt("Bitte geben Sie den zu formatierenden Text ein:");
    input.value = input.value.substr(0, pos) + aTag + insText + eTag + input.value.substr(pos);
  }
}

var spamSpanMainClass		= 'spamspan';
var spamSpanUserClass		= 'u';
var spamSpanDomainClass		= 'd';
var spamSpanAnchorTextClass = 't';
var spamSpanParams			= new Array('subject', 'body');
addEvent(window, 'load', spamSpan);
function spamSpan() {
	var allSpamSpans = getElementsByClass(spamSpanMainClass, document, 'span');
	for (var i = 0; i < allSpamSpans.length; i++) {
		var user = getSpanValue(spamSpanUserClass, allSpamSpans[i]);
		var domain = getSpanValue(spamSpanDomainClass, allSpamSpans[i]);
		var anchorText = getSpanValue(spamSpanAnchorTextClass, allSpamSpans[i]);
		var paramValues = new Array();
		for (var j = 0; j < spamSpanParams.length; j++) {
			var paramSpanValue = getSpanValue(spamSpanParams[j], allSpamSpans[i]);
			if (paramSpanValue) {
				paramValues.push(spamSpanParams[j] + '=' +
					encodeURIComponent(paramSpanValue));
			}
		}
		var at = String.fromCharCode(32*2);
		var email = cleanSpan(user) + at + cleanSpan(domain);
		var anchorTagText = document.createTextNode(anchorText ? anchorText : email);
		var mto = String.fromCharCode(109,97,105,108,116,111,58);
		var hrefAttr = mto + email;
			hrefAttr += paramValues.length ? '?' + paramValues.join('&') : '';
		var anchorTag = document.createElement('a');
			anchorTag.className = spamSpanMainClass;
			anchorTag.setAttribute('href', hrefAttr);
			anchorTag.appendChild(anchorTagText);
		allSpamSpans[i].parentNode.replaceChild(anchorTag, allSpamSpans[i]);
	}
}

function getElementsByClass(searchClass, scope, tag) {
	var classElements = new Array();
	if (scope == null) node = document;
	if (tag == null) tag = '*';
	var els = scope.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\s)"+searchClass+"(\s|$)");
	for (var i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function getSpanValue(searchClass, scope) {
	var span = getElementsByClass(searchClass, scope, 'span');
	if (span[0]) {
		return span[0].firstChild.nodeValue;
	} else {
		return false;
	}
}

function cleanSpan(string) {
	string = string.replace(/[\[\(\{]?[dD][oO0][tT][\}\)\]]?/g, '.');
	string = string.replace(/\s+/g, '');
	return string;
}

function addEvent(obj, type, fn) {
	if (obj.addEventListener)
		obj.addEventListener(type, fn, false);
	else if (obj.attachEvent)
	{
		obj['e' + type + fn] = fn;
		obj[type + fn] = function() { obj['e' + type + fn](window.event); }
		obj.attachEvent('on' + type, obj[type + fn]);
	}
}