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('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);
}

// BO Flashmovie Mootools
function popupFlashMovie(flashlink) {
	var flashvars = { };
	var params = {};
	var attributes = {};

	swfobject.embedSWF(flashlink, "popupcontainer", "650", "400", "9.0.0", "", flashvars, params, attributes);

	$('flashcontainer').style.display='none';

	showPopup('flashcontainer', 667, 440);
}
// EO Flashmovie Mootools

// BO Popup
function hideSelectBoxes(){
	selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) { selects[i].style.visibility = "hidden";}

	if(!window.ie)
		document.getElementById('content').style.overflow='hidden!important';
}

function showSelectBoxes(){
	selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) { selects[i].style.visibility = "visible";}

	if(!window.ie)
		document.getElementById('content').style.overflow='auto';
}

var popupOldOnResize = window.onresize;
var popupOldOnLoad = window.onload;
function showPopup(id, width, height, innerHTML)
{
	if(innerHTML == undefined)
		innerHTML = "";

	hideSelectBoxes();
	if(document.getElementById('popup_background')) {
		objTemp = document.getElementById('popup_background');
	}
	else
	{
		objTemp = document.createElement("div");
		objTemp.id = 'popup_background';
		objTemp.style.visibility='hidden';
	}

	objTemp.onclick=function() { }

	if(objTemp.style.display != 'block')
	{
		objTemp.style.display='block';

		popupBackground = document.body.appendChild(objTemp);
		$(popupBackground).effects({duration:400,onComplete:function(){      $(popupBackground).effects({}).set({'opacity':[0.5]}); showPopupContent(id, width, height, innerHTML);     }}).start({'opacity':[0,0.5]});
	}
	else
	{
		$(popupBackground).effects({duration:0,onComplete:function(){      $(popupBackground).effects({}).set({'opacity':[0.5]}); showPopupContent(id, width, height, innerHTML);     }}).start({'opacity':[0.5,0.5]});
	}
}

function showPopupContent(id, width, height, innerHTML)
{
	if(document.getElementById('popup_content')) {
		objTemp = document.getElementById('popup_content');
	}
	else
	{
		objTemp = document.createElement("div");
		objTemp.id = 'popup_content';
	}

	$('popup_background').onclick=function() { popupClose(); }

	objTemp.innerHTML= '<div id="popup_close"><a href="javascript:popupClose()"><span>X</span></a></div><div id="popup_text">' + document.getElementById(id).innerHTML+ innerHTML + '</div>';

	if(width > 0 && height > 0) {
		objTemp.style.width=width+'px';
		objTemp.style.height=height+'px';
		objTemp.style.marginLeft='-' + Math.round(width/2)-4 +'px';
		objTemp.style.marginTop='-' + Math.round(height/2) +'px';
	}

	objTemp.style.display='block';

	popupContent =  document.body.appendChild(objTemp);
}

function popupClose()
{
	popupContent = $('popup_content');
	popupContent.style.display='none';

	popupBackground = $('popup_background');
	popupBackground.onclick=function() { }

	$(popupBackground).effects({duration:400,onComplete:function(){      	popupBackground.style.display='none'; showSelectBoxes();    }}).start({'opacity':[0.5,0]});
}
// EO Popup