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); };
}



/* Ändert die font-size des body Tags. D.h. alle Angaben die skaliert werden sollen müssen relativ (in %) angegeben werden */
var busywaiter = window.setInterval(function() {
	if (document.body) {
		window.clearInterval(busywaiter);
		var nameEQ = "fontsize=";
		var ca = document.cookie.split(';');
		for(var i=0; i < ca.length; i++) {
			var c = ca[i];
			while (c.charAt(0) == ' ') c = c.substring(1, c.length);
			if (c.indexOf(nameEQ) == 0) return document.body.style.fontSize = c.substring(nameEQ.length, c.length);
		}
	}
}, 50);

function changeFontSize(factor) {
	if (document.body.currentStyle)
		var fontsize = document.body.currentStyle['fontSize'];
	else if (window.getComputedStyle)
		var fontsize = document.defaultView.getComputedStyle(document.body, null).getPropertyValue('font-size');

	fontsize = /(\d+)(.+)/.exec(fontsize);
	document.body.style.fontSize = (parseInt(fontsize[1]) + factor) + fontsize[2];

	document.cookie = "fontsize=" + document.body.style.fontSize + "; path=/";
	
	setTimeout('document.getElementById(\'content\').innerHTML = document.getElementById(\'content\').innerHTML', 10);
}

function resetFontSize() {
	document.body.style.fontSize = '';

	document.cookie = "fontsize=;path=/";
	setTimeout('document.getElementById(\'content\').innerHTML = document.getElementById(\'content\').innerHTML', 10);
}

// 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;
}

















function displayMember(item) {
	objs=document.getElementById('teamgal').getElementsByTagName('DIV');
	for (i=0; i<objs.length; i++) {
		if (objs[i].className == 'description') {
			objs[i].style.display = 'none';
		}
	}
	document.getElementById('desc_'+item).style.display = 'block';
}



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

function displayTip(element) {
	var oldtitle = element.title;
	if (!document.getElementById('tooltip')) {
		newelement('tooltip');
	}
	var tooltip = document.getElementById('tooltip');
	var tooltip_inner = document.getElementById('tooltip_inner');
	tooltip_inner.innerHTML = oldtitle;
	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 = '<div id="tooltip_top"></div><div id="tooltip_bottom"><div></div></div><div id="tooltip_inner">&nbsp;</div>';
		document.body.appendChild(el);
	}
}

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 tooltip = document.getElementById('tooltip');
		tooltip.style.left = (mousex+offsetx) + 'px';
		tooltip.style.top = (mousey+offsety) + 'px';
	}
}