/**
 * 
 */

function collapse(id,weniger,mehr){

	var elem = document.getElementById('collapse_' + id);
	var elem_link = document.getElementById('collapse_link_' + id);

	if(elem.style.display == 'none'){
		elem.style.display = '';
		elem_link.innerHTML = weniger;
	}else{
		elem.style.display = 'none';
		elem_link.innerHTML = mehr;
	}
}