window.addEvent( 'domready', function(){
	
  // for each toggleNest

  $$( '.outer_wrap' ).each(function(item){
  	
  	  var outer_wrap_height = item.getStyle('height').toInt();
  	  
  	  item.getElement( '.toggle_wrapsize' ).addEvent( 'click', function(event){
  	  	
  	  	event.stop();
		  	var itemInnerHeight = item.getElement('.inner_wrap').getSize().y;
		  	var itemHeight = item.getSize().y;  
		  		  	
  	  	// andere items vorher schließen
  	  	$$( '.outer_wrap' ).each(function(others){
  	  		if(item == others)return;
  	  		others.tween('height', outer_wrap_height );
					others.getElement('.toggle_wrap').set('text', 'ausklappen');
					others.getElement('.toggle_wrapsize').set('styles', {
					    "background-image": 'url("/fileadmin/templates/images/more_arrow_down.jpg")'
					});			  	  		
  	  	});
  	  	//------------------------------
  	  	
  	  	if ( itemHeight < itemInnerHeight){
					item.tween('height', itemInnerHeight );
					item.getElement('.toggle_wrap').set('text', 'einklappen');
					item.getElement('.toggle_wrapsize').set('styles', {
					    "background-image": 'url("/fileadmin/templates/images/more_arrow_up.jpg")'
					});
				} else {
					item.tween('height', outer_wrap_height );
					item.getElement('.toggle_wrap').set('text', 'ausklappen');
					item.getElement('.toggle_wrapsize').set('styles', {
					    "background-image": 'url("/fileadmin/templates/images/more_arrow_down.jpg")'
					});					
				}
		  });
  });
});