function toggleSlide(){

	//document.getElementById('ebene1').style.display = 'none';
	document.getElementById('ebene1').style.display = 'block';
	var mySlide = new Fx.Slide('ebene1');

	/*window.onload = function() {
	mySlide.hide();
	}*/

	$('chatbutton').addEvent('click', function(e){

		document.getElementById('ebene1').style.display = 'block';
		e = new Event(e);
		mySlide.toggle();
		e.stop();

	});

}

window.addEvent('domready', function(){
	$('drop_down_menu').getElements('li.menu').each( function( elem ){
		var list = elem.getElement('ul.links');
		var myFx = new Fx.Slide(list).hide();
		elem.addEvents({
			'mouseenter' : function(){
				myFx.cancel();
				myFx.slideIn();
			},
			'mouseleave' : function(){
				myFx.cancel();
				myFx.slideOut();
			}
		});
	})
});

function toggleByDiv(div) {
  with(document.getElementById(div).style){
	if(display=="none"){
	  display="inline";
	}
	else{
	  display="none";
	}
  }
  
}

function einblenden(div) {
  with(document.getElementById(div).style){
	if(display=="none"){
	  display="inline";
	}
	else{
	  display="none";
	}
  }
  
}

function fenster(url,width,height,scrolling) {
	window.open('http://'+url, "popup1", 'width='+width+',height='+height+',scrollbars='+scrolling);
}