function colorforms(element) {
        element.style.border="1px solid #F97306";
	if (!element.onblur){
		element.onblur = function (event) { element.style.border="1px solid #000000"; }
        }
}


//Diverse Elemente bei kleiner Fenstergroesse veraendern
function check_resolution() {
	//array aus IDs die ausgeblendet werden sollen
	var funcs = document.getElementById('funcs');
	var funcs2 = document.getElementById('funcs2');
  var recommend = document.getElementById('recommend');
  
  if(funcs2){
	    if(document.body.offsetHeight< 585) {
	    	 funcs.style.top='330px';
	    	 funcs2.style.top='350px';
	    	 recommend.style.color='white';
	    	 recommend.style.backgroundImage='url(../images/aufzaehlung_white.gif)';
	    	 recommend.style.backgroundRepeat='no-repeat';
	    }
	    else {
	    	 funcs.style.top='335px';
	    	 funcs2.style.top='377px';
	    	 recommend.style.color='#F25900';
	    	 recommend.style.backgroundImage='url(../images/aufzaehlung_orange.gif)';
	    	 recommend.style.backgroundRepeat='no-repeat';
	    }
  }  
}
window.onresize = window.onload = check_resolution;


window.onload = function() {
	 var actualdate = document.getElementById('actualdate');
   var newdate = new Date();
   var dayArray = new Array("Montag","Dienstag","Mittwoch","Donnerstag","Freitag","Samstag", "Sonntag"); 
   var monArray = new Array("Januar","Februar","M\xE4rz","April","Mai","Juni","Juli","August","September","Oktober","November","Dezember"); 
   
   var day = dayArray[(newdate.getDay() -1)];
   var dayzahl = (newdate.getDate () < 9 ? '0' + (newdate.getDate ()) : (newdate.getDate ()));
  
   var month = monArray[(newdate.getMonth())];
   
   var helpyear = newdate.getYear(); 
   var year = ( helpyear >= 2000 ) ? helpyear : ( ( helpyear < 80 ) ? helpyear + 2000 : helpyear + 1900 );
   
   actualdate.innerHTML = day +", " +  dayzahl + ". " +  "  "  + month + " " + year;
}


/** navigation **/

	window.addEvent('domready', function() {
		init_nav();
	});

	// To edit these settings, simply delete the entries you want to have ignored by the script;
	// Important: The last entry must not end with a comma (because of IE6)!
	var defaultSettings = {
//		height: 0,
		width: 0,
		opacity: 0,
		padding: 0
	};

	var navImagesNormal = new Array();
	var navImagesHover = new Array();
	function init_nav() {
		var nav = document.getElementById('nav');
		var lis = nav.getElementsByTagName('li');
		for(var i = 0; i < lis.length; i++) {
			if(lis[i].parentNode.id == 'nav') {
				lis[i].number = i;
				lis[i].ul = $(lis[i]).getElement('ul');
				if(lis[i].ul) {
					lis[i].ulHeight = lis[i].ul.getHeight();
					lis[i].ulWidth = lis[i].ul.getWidth();
					lis[i].ulPadding = lis[i].ul.getStyle('padding');
					lis[i].ul.setStyles({ height: lis[i].ulHeight, width: lis[i].ulWidth }); // bug fix for IE6
					lis[i].ul.setStyles($H({
						display: 'none',
						overflow: 'hidden',
						visibility: 'visible'
					}).combine(defaultSettings));
					lis[i].fx = new Fx.Morph(lis[i].ul, {
						duration: 500,
						wait: false,
						transition: 'quad:in:out'
					});
					lis[i].fx.onComplete = function() {
						if(this.element.getHeight()  < this.element.getParent().ulHeight || 
							this.element.getWidth()  < this.element.getParent().ulWidth) {
							this.element.setStyle('display', 'none');
						}
					}
				}
				lis[i].addEvent('mouseenter', function() {
					this.addClass('hover');
					if(this.ul) {
						this.fx.start({
							display: 'block',
							height: this.ulHeight,
							width: this.ulWidth+20,
							opacity: 1,
							padding: this.ulPadding
						});
					}
					var img = this.getElement('img');
					if(img && navImagesHover[this.number])
						img.src = navImagesHover[this.number];
					hideSelects();
				});
				lis[i].addEvent('mouseleave', function() {
					this.removeClass('hover');
					if(this.ul) {
						this.fx.start(defaultSettings);
					}
					var img = this.getElement('img');
					if(img && navImagesNormal[this.number])
						img.src = navImagesNormal[this.number];
					showSelects();
				});
				var img = lis[i].getElement('img');
				if(img && img.onmouseover) {
					navImagesNormal[i] = img.src;
					img.onmouseover();
					navImagesHover[i] = img.src;
					img.onmouseout();
					img.onmouseover = function() {};
					img.onmouseout = function() {};
				}
			}
		}
	}

	function hideSelects() {
		if(Browser.Engine.trident && navigator.userAgent.indexOf('MSIE 6') > -1) {
			$$('select').each(function(el, i) {
				el.setStyle('display', 'none');
			});
		}
	}

	function showSelects() {
		if(Browser.Engine.trident && navigator.userAgent.indexOf('MSIE 6') > -1) {
			$$('select').each(function(el, i) {
				el.setStyle('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;
		}
	}
}

/*
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('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);
}


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;
}

/* set opacity of any object */
function opacity(obj, value) {
	obj.style.opacity = value;
	obj.style.filter = 'alpha(opacity=' + value*100 + ')';
}

/*** Tooltips ***/
function showTooltip(ele, customtext) {
	var div = document.getElementById('tooltip');
	var bg = document.getElementById('tooltipbackground');
	var body = document.getElementsByTagName('body')[0];
	if(!div) {
		div = document.createElement("div");
		div.style.visibility = 'hidden';
		div.id = 'tooltip';
		body.appendChild(div);
	}
	if(!bg) {
		bg = document.createElement("div");
		bg.style.display = 'none';
		bg.id = 'tooltipbackground';
		body.appendChild(bg);
	}

	if(customtext != undefined)
		div.innerHTML = '<div class="tooltipcontent">' + customtext + '</div>';
	else
		div.innerHTML = '<div class="tooltipcontent">' + ele.title + '</div>';

	ele.oldtitle = ele.title;
	ele.title = "";

	document.onmousemove = function(e) { 
		var coords = new Array();
		coords = followmouse(e, 10, 10).split("-");
		coords[0] = Math.round(coords[0]);
		coords[1] = Math.round(coords[1]);
		var div = document.getElementById('tooltip');
		div.style.display = 'block';
		div.style.visibility = 'visible';

		var divwidth = div.offsetWidth;
		var divheight = div.offsetHeight;
		var bodywidth = document.body.offsetWidth;

		var bg = document.getElementById('tooltipbackground');
		bg.style.display = 'block';
		opacity(bg, 0.8);
		bg.style.width = divwidth + 'px';
		bg.style.height = divheight + 'px';

		if(Math.round(coords[0] + divwidth + 50) > bodywidth) {
			div.style.left = bg.style.left = (bodywidth - divwidth - 50) + "px";
		}
		else {
				div.style.left = bg.style.left = (coords[0]+10) + "px";
				div.style.top = bg.style.top = (coords[1]+10) + "px";

		}

		div.style.top = bg.style.top = (coords[1]) + "px";
	}

	ele.onmouseout = function() {
		this.title = ele.oldtitle;
		this.onmouseout = function() {};
		document.onmousemove = function() {};
		document.getElementsByTagName('body')[0].removeChild(document.getElementById('tooltip'));
		document.getElementsByTagName('body')[0].removeChild(document.getElementById('tooltipbackground'));
	}
}

function followmouse(ele, start_x, start_y){
	var xcoord = start_x;
	var ycoord = start_y;
	if (typeof ele != "undefined") {
		xcoord += ele.pageX;
		ycoord += ele.pageY;
	} else if (typeof window.event != "undefined") {
		xcoord += document.getElementsByTagName('body')[0].scrollLeft + event.clientX;
		ycoord += document.getElementsByTagName('body')[0].scrollTop + event.clientY;
	}

	return (xcoord + '-' + ycoord);
}

function initTooltips() {
	var el = document.getElementsByTagName('*');
	for(i=0; i<el.length; i++) {
		if(el[i].className.indexOf('tooltip') > -1) {
			el[i].onmouseover = function() {
				showTooltip(this);
			};
		}
	}
}

window.addEvent('domready', function() {
	initTooltips();
});