var lastOpened='null';
var fkt;
function showmore(nummer) {
		fkt= $('box_content_'+nummer);
		if (fkt.currentEffekt && fkt.currentEffekt.state != "finished") {
	 		return; 
	 	}
		if($('arrow'+nummer).className=='arrow_down'){
			$('box_'+nummer).className='txt12pxbold';
			$('arrow'+nummer).className='arrow_up';
			if (nummer=='1' || nummer=='2'){
				$('table_bg').style.height ='530px';
			}			
			if (nummer=='3'){
				$('table_bg').style.height ='570px';
			}					
			
			
			if(lastOpened !='null'){
				fkt.currentEffekt= new Effect.SlideUp('box_content_'+lastOpened);
				$('box_'+lastOpened).className='';
				$('arrow'+lastOpened).className='arrow_down';
				if (lastOpened=='3'){
					$('table_bg').style.height ='530px';
				}	
				
			}
			fkt.currentEffekt= new Effect.BlindDown('box_content_'+nummer,{duration:0.4,scaleFrom:10});			
			lastOpened=nummer;
		}
		else{
			
			$('box_'+nummer).className='';
			$('arrow'+nummer).className='arrow_down';			
			fkt.currentEffekt=new Effect.BlindUp('box_content_'+nummer,{duration:0.4,scaleTo:10});
			if(lastOpened == nummer){
				lastOpened='null';	
			}
			else{
				lastOpened=nummer;
			}
		}
}