var Class={create:function(){return function(){this.initialize.apply(this,arguments);}}}
Object.extend=function(destination,source){for(property in source)destination[property]=source[property];return destination;}
Function.prototype.bind=function(object){var __method=this;return function(){return __method.apply(object,arguments);}}
Function.prototype.bindAsEventListener=function(object){var __method=this;return function(event){__method.call(object,event||window.event);}}
function $(){if(arguments.length==1)return get$(arguments[0]);var elements=[];$c(arguments).each(function(el){elements.push(get$(el));});return elements;function get$(el){if(typeof el=='string')el=document.getElementById(el);return el;}}
if(!window.Element)var Element=new Object();Object.extend(Element,{remove:function(element){element=$(element);element.parentNode.removeChild(element);},hasClassName:function(element,className){element=$(element);if(!element)return;var hasClass=false;element.className.split(' ').each(function(cn){if(cn==className)hasClass=true;});return hasClass;},addClassName:function(element,className){element=$(element);Element.removeClassName(element,className);element.className+=' '+className;},removeClassName:function(element,className){element=$(element);if(!element)return;var newClassName='';element.className.split(' ').each(function(cn,i){if(cn!=className){if(i>0)newClassName+=' ';newClassName+=cn;}});element.className=newClassName;},cleanWhitespace:function(element){element=$(element);$c(element.childNodes).each(function(node){if(node.nodeType==3&&!/\S/.test(node.nodeValue))Element.remove(node);});},find:function(element,what){element=$(element)[what];while(element.nodeType!=1)element=element[what];return element;}});var Position={cumulativeOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent;}while(element);return[valueL,valueT];}};document.getElementsByClassName=function(className){var children=document.getElementsByTagName('*')||document.all;var elements=[];$c(children).each(function(child){if(Element.hasClassName(child,className))elements.push(child);});return elements;}
Array.prototype.iterate=function(func){for(var i=0;i<this.length;i++)func(this[i],i);}
if(!Array.prototype.each)Array.prototype.each=Array.prototype.iterate;function $c(array){var nArray=[];for(var i=0;i<array.length;i++)nArray.push(array[i]);return nArray;}
var fx=new Object();fx.Base=function(){};fx.Base.prototype={setOptions:function(options){this.options={duration:500,onComplete:'',transition:fx.sinoidal}
Object.extend(this.options,options||{});},step:function(){var time=(new Date).getTime();if(time>=this.options.duration+this.startTime){this.now=this.to;clearInterval(this.timer);this.timer=null;if(this.options.onComplete)setTimeout(this.options.onComplete.bind(this),10);}
else{var Tpos=(time-this.startTime)/(this.options.duration);this.now=this.options.transition(Tpos)*(this.to-this.from)+this.from;}
this.increase();},custom:function(from,to){if(this.timer!=null)return;this.from=from;this.to=to;this.startTime=(new Date).getTime();this.timer=setInterval(this.step.bind(this),13);},hide:function(){this.now=0;this.increase();},clearTimer:function(){clearInterval(this.timer);this.timer=null;}}
fx.Layout=Class.create();fx.Layout.prototype=Object.extend(new fx.Base(),{initialize:function(el,options){this.el=$(el);this.el.style.overflow="hidden";this.iniWidth=this.el.offsetWidth;this.iniHeight=this.el.offsetHeight;this.setOptions(options);}});fx.Height=Class.create();Object.extend(Object.extend(fx.Height.prototype,fx.Layout.prototype),{increase:function(){this.el.style.height=this.now+"px";},toggle:function(){if(this.el.offsetHeight>0)this.custom(this.el.offsetHeight,0);else this.custom(0,this.el.scrollHeight);}});fx.Width=Class.create();Object.extend(Object.extend(fx.Width.prototype,fx.Layout.prototype),{increase:function(){this.el.style.width=this.now+"px";},toggle:function(){if(this.el.offsetWidth>0)this.custom(this.el.offsetWidth,0);else this.custom(0,this.iniWidth);}});fx.Opacity=Class.create();fx.Opacity.prototype=Object.extend(new fx.Base(),{initialize:function(el,options){this.el=$(el);this.now=1;this.increase();this.setOptions(options);},increase:function(){if(this.now==1&&(/Firefox/.test(navigator.userAgent)))this.now=0.9999;this.setOpacity(this.now);},setOpacity:function(opacity){if(opacity==0&&this.el.style.visibility!="hidden")this.el.style.visibility="hidden";else if(this.el.style.visibility!="visible")this.el.style.visibility="visible";if(window.ActiveXObject)this.el.style.filter="alpha(opacity="+opacity*100+")";this.el.style.opacity=opacity;},toggle:function(){if(this.now>0)this.custom(1,0);else this.custom(0,1);}});fx.sinoidal=function(pos){return((-Math.cos(pos*Math.PI)/2)+0.5);}
fx.linear=function(pos){return pos;}
fx.cubic=function(pos){return Math.pow(pos,3);}
fx.circ=function(pos){return Math.sqrt(pos);}
window.onload=function(){efH=new Array();for(i=0;i<8;i++){efH[i]=new fx.Height('block'+i,{duration:400});efH[i].hide();}
efH[99]=new fx.Height('block99',{duration:400});}
var currentStat=99;var currentElement=null;function showEffect(cS,element){if(cS==currentStat&&element!=currentElement){currentElement=element;return false;}
if(cS==currentStat){efH[cS].toggle();efH[99].custom(0,$('block'+cS).scrollHeight);currentStat=99;currentElement=null;}else{efH[currentStat].toggle();efH[cS].custom(0,$('block'+cS).scrollHeight);currentStat=cS;currentElement=element;}
return true;}
function show(Feld)
{document.getElementById("field1").style.display="none";document.getElementById("field2").style.display="none";document.getElementById("field3").style.display="none";document.getElementById("field4").style.display="none";document.getElementById("field5").style.display="none";document.getElementById(Feld).style.display="block";}