function colorforms(element) {
        element.style.border="1px solid #80001a!important";
	if (!element.onblur){
		element.onblur = function (event) { element.style.border="1px solid #000000!important"; };
        }
}

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;
}



/*BO Mitarbeiterseite Hover*/
function truebody() {
	return document.getElementsByTagName('body')[0]
}

function showAlt(ele, customtext) {
	var img = document.createElement("div")
	img.style.visibility='hidden';
	img.id = 'hovertitle'
	img.innerHTML = ele.alt

	if(customtext != undefined)
		img.innerHTML = customtext;

	truebody().appendChild(img)

	backgrounddivs = img.getElementsByTagName('div');
	for(i=0; i<backgrounddivs.length; i++)
	{
		if(backgrounddivs[i].className == 'hovertitle_background')
		{
			background = backgrounddivs[i];
		}
	}

	$(background).effects({}).set({'opacity':[0.7]});

	document.onmousemove = function(e) { 
		coords = new Array();
		coords = followmouse(e, 10, 10).split("-")
		
		imgwidth = img.offsetWidth;
		imgheight = img.offsetHeight;
		bodywidth = document.body.offsetWidth;
		
		if(coords[0] - imgwidth > bodywidth)
		{
			img.style.left = (bodywidth) + "px"
		}
		else
		{
			img.style.left = (coords[0] - imgwidth + 50) + "px"
		}

		img.style.top = (coords[1] ) + "px"
		img.style.visibility='visible';
	}

	ele.onmouseout = function() {
		ele.onmouseout = ''
		document.onmousemove = ''
		truebody().removeChild(img)
	}
}

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 += truebody().scrollLeft + event.clientX
		ycoord += truebody().scrollTop + event.clientY
	}

	return (xcoord+200+'-'+ycoord)
}

function showAltContent(obj, id) {
	showAlt(obj, '<div class="hovertitle_background"></div><div class="hovertitle_content">' + document.getElementById(id).innerHTML + '</div><div class="invisible_content">' + document.getElementById(id).innerHTML + '</div>');
}
/*EO Mitarbeiterseite Hover*/

window.addEvent('domready', function() {
	$$('.protectedemail').each(function(email, i) {
		email.innerHTML = email.innerHTML.replace('+at+', '@');
	});
	$$('area').each(function(area, i) {
		area.href = area.href.replace('+at+', '@');
	});
});