var old_film_content;

function startSmallMovie(film_url) {
	old_film_content = document.getElementById('film_small').innerHTML;
	var smallfilm = new SWFObject(film_url, "Headline", "320", "240", "8", "#ffffff");
	smallfilm.write("film_small");
	return false;
}

function stopSmallMovie() {
	document.getElementById('film_small').innerHTML = old_film_content;
	return false;
}

function startBigMovie(film_url) {

	if (old_film_content) {
		stopSmallMovie();
	}

	showPopupBackground();

	document.getElementById('content').style.overflow = 'hidden';

	if (document.getElementById('film_big')) {
		objTemp = document.getElementById('film_big');
	} else {
		objTemp = document.createElement("div");
		objTemp.id = 'film_big';
	}
	objTemp.style.display='block';

	popupContent = document.body.appendChild(objTemp);

/* Abgerundete Ecken */

	var obj = new Array();

	for (i=0; i<5; i++) {
		obj[i] = document.createElement("div");
		obj[i].id = 'film_eck_'+i;
		document.getElementById('film_big').appendChild(obj[i]);
	}

	document.getElementById('film_big').innerHTML += "<a id=\"close_popup\" href=\"javascript:stopBigMovie()\" onclick=\"stopBigMovie()\"><span>schliessen</span></a>";

	var adddivs = document.getElementById('film_big').innerHTML;

	var bigfilm = new SWFObject(film_url, "Headline", "624", "352", "8", "#ffffff");
	bigfilm.write("film_big");

	document.getElementById('film_big').innerHTML += adddivs;

	return false;
}


function showPopupBackground() {

	if (document.getElementById('popup_background')) {
		objTemp = document.getElementById('popup_background');
	} else {
		objTemp = document.createElement("div");
		objTemp.id = 'popup_background';
	}
	setOpacity(objTemp, 50);
	objTemp.style.display='block';

	popupBackground = document.body.appendChild(objTemp);

	popupBackground.onclick = function() {
		stopBigMovie();
	}
}

function stopBigMovie() {

	objTemp = document.getElementById('popup_background');
	objTemp.style.display = 'none';

	objTemp = document.getElementById('film_big');
	objTemp.innerHTML = '';
	objTemp.style.display = 'none';

	document.getElementById('content').style.overflow = 'auto';
}

function setOpacity(e,opacity){
	var o=e.style;
	o.opacity=(opacity/100); //Opera
	o.MozOpacity=(opacity/100); //Mozilla+Firefox
	o.KhtmlOpacity=(opacity/100); //Konqueror
	o.filter="alpha(opacity="+opacity+")"; //IE
}







function displaySearch() {
	if (document.getElementById('search')) {
		if (document.getElementById('search').style.display=='block') {
			document.getElementById('search').style.display = 'none';
		} else {
			document.getElementById('search').style.display = 'block';
		}
	return false;
	}
}

function displayfaq(id) {
	var divisions = document.getElementsByTagName('div');
	for (i=0;i<divisions.length;i++) {
		if (divisions[i].className.indexOf('faqitem') > -1) {
			divisions[i].style.display = 'none';
		}
	}
	document.getElementById('question_'+id).style.display='block';
}


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); };
}


// 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;
		}
	}
}

function validateForm(form, specialfields, lang) {
	var errors = new Array();
	var fields = form.getElementsByTagName('label');
	for (i = 0; i < fields.length; i++) {
		var span = fields[i].getElementsByTagName('span')[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;
						if (lang == 'eng') {
							errors.push('please enter ' + label);
						} else {
							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;
}






function showGallery(id) {
	document.getElementById('sujetgal').src=gallerypix[id];
	return true;
}





/* LEXIKON */

var descriptions = new Array();
var oldtitle;


function displayTip(element) {
	oldtitle = element.title;
	var oldtitle = element.title;
	if (!document.getElementById('tooltip')) {
		newelement('tooltip');
	}
	var lixlpixel_tooltip = document.getElementById('tooltip');
	lixlpixel_tooltip.innerHTML = oldtitle;
	lixlpixel_tooltip.style.display = 'block';
	document.onmousemove = getmouseposition;
	element.title = '';
	element.onmouseout = function () {
		closeTip(element, oldtitle);
	}
	return false;
}

function closeTip (element, oldtitle) {
	element.title = oldtitle;
	document.getElementById('tooltip').style.display = 'none';
}

function newelement (newid) {
	if (document.createElement) {
		var el = document.createElement('div');
		el.id = newid;
		with (el.style) {
			display = 'block';
			position = 'absolute';
		}
		el.innerHTML = '&nbsp;';
		document.body.appendChild(el);
	}
}

var ie5 = (document.getElementById && document.all);
var ns6 = (document.getElementById && !document.all);
var offsetx = 12;
var offsety =  8;

function getmouseposition(e) {
	if (document.getElementById) {
		mousex = (ie5)?event.x:(ns6)?clientX = e.clientX:false;
		mousey = (ie5)?event.y:(ns6)?clientY = e.clientY:false;
		var lixlpixel_tooltip = document.getElementById('tooltip');
		lixlpixel_tooltip.style.left = (mousex+offsetx) + 'px';
		lixlpixel_tooltip.style.top = (mousey+offsety) + 'px';
	}
}