/**
 * @author tda
 */

 
function cat_open(x){
	document.getElementById('cat_' + x).style.display = 'block';
	document.getElementById('cat_' + x + '_button').onclick = function(){
		cat_close(x);
	};
	document.getElementById('cat_' + x + '_button').innerHTML = '[ schließen ]';
}


function cat_close(x){
	document.getElementById('cat_' + x).style.display = 'none';
	document.getElementById('cat_' + x + '_button').onclick = function(){
		cat_open(x);
	};
	document.getElementById('cat_' + x + '_button').innerHTML = '[ öffnen ]';
}