//Diverse Elemente bei kleiner Fenstergröße verändern

function showstartnav(id, status, search) {
	if (status == '1') {
		document.getElementById(id).style.display = 'block'
		if (search == 'nosearch') {
			document.getElementById('startsuche').style.display = 'none';
		}
	} else {
		document.getElementById(id).style.display = 'none'
		if (search == 'nosearch') {
			document.getElementById('startsuche').style.display = 'block';
		}
	}
}


// Lageplan-Script

function displayLP(imagename) {
	document.getElementById('overviewimage').style.display = 'none';
	document.getElementById('detailimage').style.display = 'none';
	obj = document.getElementById(imagename);
	obj.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) {
	/*show normal image for the active category when user hovers over another category*/
	var nav = document.getElementById('nav');
	var lis = nav.getElementsByTagName('LI');

	for(var i = 0; i < lis.length; i++)
	{
		var as = lis[i].getElementsByTagName('a')
		for(var a = 0; a < as.length; a++)
		{
			if(as[a].innerHTML.indexOf(activeMenu) > -1)
			{
				imgs = as[a].getElementsByTagName('img')
				if(imgs[0].src.indexOf('_hover') > -1)
				{
					imgs[0].src = imgs[0].src.split('_hover.jpg').join('.gif')
				}
				else
				{
					imgs[0].src = imgs[0].src.split('.gif').join('_hover.jpg')
				}
			}
		}
	}

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

function swapImage2(element, newimage) {
	var oldsrc = element.src
	element.src = newimage
	if (!element.onmouseout) {
		element.onmouseout = function (event) { swapImage2(this, oldsrc); };
	}
}


var descriptions = new Array();
var oldtitle;

function initTips () {
	for (i=0; i<document.getElementsByTagName('a').length; i++) {
		if (document.getElementsByTagName('a')[i].className=='definitionlink') {
			document.getElementsByTagName('a')[i].onmouseover = function() {displayTip(this);}
			document.getElementsByTagName('a')[i].href = '#';
		}
	}
}

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';
	}
}

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 domready() {
	initTips();
}

function validateForm(form,specialfields) {
	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;
						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);
}