/* core.js v.0.1 
@ author I.nfraR.ed
*/

function fold(id) {
	var oElement = document.getElementById(id);
	var oElementHeader = document.getElementById(id + '-heading');
	
	if (oElement.className.indexOf('hidden') != -1) {
		oElement.className = '';
		oElementHeader.className = 'expanded';
	} else {
		oElement.className = 'hidden';
		oElementHeader.className = 'collapsed';
	}
}