function start(){	
	 for(i = 0; i < document.getElementsByName("folded").length; i++){
	   	fold(document.getElementsByName("folded")[i]);
	}	
}


function mach(clicked){
	if (clicked.name == "folded"){
		unfold(clicked);	
	}else{	
		fold(clicked);		
	}
}


function fold(clicked){
	
	hide = clicked.parentNode.nextSibling;
	
	for (f=0; f<10;f++){
		if (hide.nodeType==1){
			hide.style.display = "none";
			break;
		}else{
			hide = hide.nextSibling;
		}
	}
	clicked.name = "folded";
	clicked.style.backgroundImage = "url(../../shared/nps/pfeil_up.gif)";
	return false;
}

function unfold(clicked){

	for(i = 0; i < document.getElementsByName("unfolded").length; i++){
	   	fold(document.getElementsByName("unfolded")[i]);
	}	
	
	hide = clicked.parentNode.nextSibling;
	
	for (f=0; f<10;f++){
		if (hide.nodeType==1){
			hide.style.display = "block";
			break;
		}else{
			hide = hide.nextSibling;
		}
	}
	clicked.name = "unfolded";
	clicked.style.backgroundImage = "url(../../shared/nps/pfeil_down.gif)";

	
	return false;
}