function getAdr(prefix, postfix, text) {
        document.write('<a href="mailto:' + prefix + '@' + postfix + '">' + (text ? text.replace(/&quot;/g, '"').replace(/%EMAIL%/, prefix + '@' + postfix) : prefix + '@' + postfix) + '</a>');
}

function swapImage(element, newimage) {
	var oldsrc = element.src
	element.src = newimage
	if (!element.onmouseout)
		element.onmouseout = function (event) { swapImage(this, oldsrc); };
}

var popupmenuoldonload = window.onload;
window.onload = function() {
	var nav = document.getElementById('nav');
	var uls = nav.getElementsByTagName('UL');
	for(var i = 0; i < uls.length; i++)
		new xMenu1(uls[i], 0, 'mouseover');
	if(popupmenuoldonload)
		popupmenuoldonload();
}

function xMenu1(menu, mouseMargin, openEvent) {
	var isOpen = false;
        var oldover, oldout, aObj, aClassName, img;
	if (menu) {
		xAddEventListener(menu.parentNode, openEvent, onOpen, false);
		aObj = menu.parentNode.firstChild;
                aClassName = aObj.className;
                img = aObj.firstChild;
		if(img)
			if (img.onmouseover) {
				oldover = img.onmouseover;
				img.onmouseover = '';
			}
	}
	function onOpen() {
		if (!isOpen) {
			aObj.className = 'hover';
                        xShow(menu);
			HideSelects(xPageX(menu), xPageY(menu), xWidth(menu), xHeight(menu));
			xAddEventListener(document, 'mousemove', onMousemove, false);
			isOpen = true;
			if (oldover) {
				oldover.apply(img, arguments);
				if (!oldout)
					oldout = img.onmouseout;
				img.onmouseout = function () { };
			}
		}
	}
	function onMousemove(ev) {
		var e = new xEvent(ev);
		contains = (xHasPoint(menu, e.pageX, e.pageY, -mouseMargin) || xHasPoint(menu.parentNode, e.pageX, e.pageY, -mouseMargin));
		if(!contains) {
			var submenus = menu.getElementsByTagName('UL');
			for(var i = 0; i < submenus.length; i++)
				if(xHasPoint(submenus[i], e.pageX, e.pageY, -mouseMargin)) {
					contains = true;
					break;
				}
		}
		if(!contains) {
                        aObj.className = aClassName;
			xHide(menu);
			HideSelects(0, 0, 0, 0);
			xRemoveEventListener(document, 'mousemove', onMousemove, false);
			isOpen = false;
			if (oldout)
				oldout.apply(img, arguments);
		}
	}
}

var sel;
function HideSelects(x,y,w,h) {
	if(xIE4Up && !xMac) {
		var selx, sely, selw, selh, i
		if(!sel)
			sel = document.getElementsByTagName("SELECT");
		for(i = 0; i < sel.length; i++) {
			selx = xPageX(sel[i]);
			sely = xPageY(sel[i]);
			selw = sel[i].offsetWidth;
			selh = sel[i].offsetHeight;
			sel[i].style.visibility = (selx + selw > x && selx < x + w && sely + selh > y && sely < y + h) ? "hidden" : "visible";
		}
	}
}

// deletes leading and trailing spaces in a string - adds the function directly to the String Object, so that all strings inherit this method
String.prototype.trim = function() {
    return this.replace(/(^\s*)|(\s*$)/g, '');
}

//checkEmail - needed for forms
function checkEmail(val) {
	if (val) {
		var usr = "([a-zA-Z0-9][a-zA-Z0-9_.-]*|\"([^\\\\\x80-\xff\015\012\"]|\\\\[^\x80-\xff])+\")";
		var domain = "([a-zA-Z0-9][a-zA-Z0-9._-]*\\.)*[a-zA-Z0-9][a-zA-Z0-9._-]*\\.[a-zA-Z]{2,5}";
		var regex = "^"+usr+"\@"+domain+"$";
		var myrxp = new RegExp(regex);
		var check = (myrxp.test(val));
		if (check!=true) {
			return false;
		}
		else {
			return true;
		}
	}
}

/*
validates formfields if they have a value or not
to check for other options do the following
specialfields = new Object();
specialfields.fieldname = new Object();
specialfields.fieldname.check1 = 'function_to_call,error_message';
specialfields.fieldname.check2 = 'second_function_to_call,second_error_message';
specialfields.another_fieldname = new Object();
specialfields.another_fieldname.check1 = 'function_to_call,error_message';
*/
function validateForm(form,specialfields) {
	var errors = new Array();
	var fields = form.getElementsByTagName('span');
	for (i = 0; i < fields.length; i++) {
		var span = fields[i].getElementsByTagName('label')[0];
		if (span && span.firstChild) {
			var label = span.firstChild.data;
			label = label.trim();
			// if there is a '*' in the label - this indicates the inputfield has to be filled
			if (label.charAt(label.length - 1) == '*') {
				label = label.substring(0, label.length - 1).trim();
				// get the inputfield
				var obj_input = fields[i].getElementsByTagName('input');
				if (!obj_input[0])
					obj_input = fields[i].getElementsByTagName('select');
				if (!obj_input[0])
					obj_input = fields[i].getElementsByTagName('textarea');

				// if there is an inputfield
				if (obj_input && obj_input[0]) {
					input = obj_input[0];
					error = false;
					
					// check if the inputfield has a value
					if (!input.value || input.value.trim().length==0) {
						error = true;
						errors.push(label + ' nicht eingegeben');
					}
					
					// check the inputfield for special things (email, ...)
					if (!error && specialfields[input.name]){
						specialfield = specialfields[input.name];
						for (check in specialfield){
							check_function = specialfield[check].split(',')[0];
							check_message = specialfield[check].split(',')[1];
							if (!eval(check_function)(input.value)){
								error = true;
								errors.push(label + ' ' + check_message);
							}
						}
					}

					// on error give the label the className 'error' otherwise delete the className 'error' (if exists)
					if (error) {
						className = fields[i].className;
						if (className.length>0){
							className = className + ' ';
						}
						fields[i].className = className + 'error';
					} else {
			            	className = fields[i].className;
						if (className.indexOf('error')>-1){
								className = className.replace(' error', '');
								className = className.replace('error', '');
								fields[i].className = className;
						}
					}
				}
			}
		}
	}

	return errors;
}

function showFormErrors (errors) {
	error_message = '';
	for (i=0;i<errors.length;i++){
		error_message += errors[i] + '\n';
	}
	alert(error_message);
}


function popup(url, typ, para1, width, height) {
	attrib = "";
	Y = (screen.height - width) / 2;
	X = (screen.width - height) / 2;
	X = Math.round(X);
	Y = Math.round(Y);
	if (para1 == 'CENTER') attrib += 'height=' + height + ',width=' + width + ',top=' + Y + ',left=' + X;
	if (typ == 'TYP1') attrib += ",scrollbars=no";
	if (typ == 'TYP2') attrib += ",scrollbars=yes";
	if (typ == 'TYP3') attrib += ",scrollbars=yes,menubar=yes";
	fenster = window.open(url, 'win', attrib);
	return false;
}

window.addEvent('domready', function() {
	$('boxdial1').effects().set({'opacity': 0})
	$('boxdial2').effects().set({'opacity': 0})

	var startpage = document.getElementById('startpage');
	if(startpage)
	{

	}
	else
	{
		var dialogues_xml = document.getElementById('dialogues_xml');
		if(dialogues_xml)
		{
			//loadXmlDocument(dialogues_xml.href, initDialogue);
		}
	}
});

window.addEvent('load', function() {
	var startpage = document.getElementById('startpage');
	if(startpage)
	{
		$('boxdial2').effects().start({'opacity': [0,1]})
		setTimeout("$('boxdial1').effects().start({'opacity': [0,1]})", 3000);
		setTimeout("location.href = document.getElementById('welcome').href;", 10000);
	}
});

function loadXmlDocument(xmlFile, returnXML)
{
	var xdoc;

	if( window.ActiveXObject && /Win/.test(navigator.userAgent) )
	{
		xdoc = new ActiveXObject("Microsoft.XMLDOM");

		xdoc.async = false;
		xdoc.load(xmlFile);

		returnXML(xdoc);

		return true;
	}
	else if( document.implementation && document.implementation.createDocument )
	{
		xdoc = document.implementation.createDocument("", "", null);
		xdoc.load(xmlFile);

		xdoc.onload = function()
		{
			returnXML(xdoc);
		}

		return true;
	}
	else
	{
		return false;
	}
}

var loadedXML;
var currentDialogue = -1;
var lastDialogue = -1;
var currentLine = -1;
var dialogueIDs = new Array();
var currentActivePerson = 1;

function initDialogue(xml)
{
	loadedXML = xml;

	for(i=0; i<xml.firstChild.childNodes.length; i++)
	{
		if(xml.firstChild.childNodes[i].tagName != undefined)
		{
			dialogueIDs.push(i);
		}
	}

	setTimeout('displayDialogue()', 1000);
}

function displayDialogue()
{
	var delayAdd = 0;

	if(currentDialogue == -1)
	{
		if(lastDialogue == -1)
		{
			currentDialogue = Math.floor(Math.random()*dialogueIDs.length);
		}
		else
		{
			currentDialogue = lastDialogue + 1;
			if(currentDialogue == dialogueIDs.length)
				currentDialogue = 0;
		}

		for(b=0; b<loadedXML.firstChild.childNodes[dialogueIDs[currentDialogue]].childNodes.length && currentLine == -1; b++)
		{
			if(loadedXML.firstChild.childNodes[dialogueIDs[currentDialogue]].childNodes[b].tagName != undefined)
			{
				//alert(loadedXML.firstChild.childNodes[dialogueIDs[currentDialogue]].childNodes[b].firstChild.firstChild.nodeValue);
				currentLine = b;
			}
		}

		activeBox = document.getElementById('boxdial'+currentActivePerson);
		activeBox.innerHTML = '<table style="width: 250px; height: 80px;"><tr><td style="vertical-align: middle!important; width: 250px; height: 80px;">' + loadedXML.firstChild.childNodes[dialogueIDs[currentDialogue]].childNodes[currentLine].firstChild.firstChild.nodeValue + '</td></tr></table>';
		activeBox.effects().start({'opacity': [0,1]})
		delayCheck = activeBox.innerHTML.split(' ');
		delayAdd = delayCheck.length*150;
	}
	else
	{
		currentLine++;
		nextLineFound = false;

		for(b=currentLine; b<loadedXML.firstChild.childNodes[dialogueIDs[currentDialogue]].childNodes.length && nextLineFound == false; b++)
		{
			if(loadedXML.firstChild.childNodes[dialogueIDs[currentDialogue]].childNodes[b].tagName != undefined)
			{
				currentLine = b;
				nextLineFound = true;
			}
		}

		activeBox = document.getElementById('boxdial'+currentActivePerson);
		activeBox.effects().start({'opacity': [1,0]})

		currentActivePerson++;
		if(currentActivePerson > 2)
			currentActivePerson = 1;

		if(nextLineFound == false)
		{
			lastDialogue = currentDialogue;
			currentDialogue = -1;
			currentLine = -1;
		}
		else
		{
			activeBox = document.getElementById('boxdial'+currentActivePerson);
			activeBox.innerHTML = '<table style="width: 250px; height: 80px;"><tr><td style="vertical-align: middle!important; width: 250px; height: 80px;">' + loadedXML.firstChild.childNodes[dialogueIDs[currentDialogue]].childNodes[currentLine].firstChild.firstChild.nodeValue + '</td></tr></table>';
			activeBox.effects().start({'opacity': [0,1]})
			delayCheck = activeBox.innerHTML.split(' ');
			delayAdd = delayCheck.length*150;
		}
	}

	setTimeout("displayDialogue()", 2000+delayAdd);
}


var walked = 0;
var mouseOverMe = false;
var originalSizeforBobmoving = 0;

function moveItBob(itemid, speed)
{
    var runningnews = document.getElementById(itemid);
    runningnews.onmouseover = function() { mouseOverMe = true; }
    runningnews.onmouseout = function() { mouseOverMe = false; }
    runningnews.style.overflow = 'hidden';
    var trenner = '<span> &nbsp;&nbsp;&nbsp;&nbsp; </span>';
    runningnews.innerHTML=runningnews.innerHTML+trenner;
    originalSizeforBobmoving = 0-runningnews.offsetWidth;
    runningnews.innerHTML=runningnews.innerHTML+runningnews.innerHTML;
    setTimeout('moveItAgainBob("' + itemid + '", ' + speed + ')', speed); 
}
function moveItAgainBob(itemid, speed) {
    var runningnews = document.getElementById(itemid);
    runningnews.style.marginLeft = walked + 'px';
    if(mouseOverMe == false) { walked-=1;}
    if(walked < originalSizeforBobmoving) { walked = 1; }
    setTimeout('moveItAgainBob("' + itemid + '", ' + speed + ')', speed); 
}

/*
 window.addEvent('load', function() {
	moveItBob('tickerinhalt', 30);
}); 
*/

