function changeC(id, newClass) {

	document.getElementById(id).className = newClass; 
}

function changeC_del(type, idFilm) {
	
	var prtObj = document.getElementById('parentDiv');

	if (document.getElementById('idFilm'+idFilm)) {
		
		var inp = document.getElementById('idFilm'+idFilm);
		inp.setAttribute('value', '-1');
	
	} else {

		var inp = document.createElement('input');
		inp.setAttribute('type', 'hidden');
		inp.setAttribute('id', 'idFilm'+idFilm);
		inp.setAttribute('name', type+'['+idFilm+']');
		inp.setAttribute('value', '-1');

		prtObj.appendChild(inp);

	}
}

function trim(str) {
	str = str.replace( /^\s+/g, "" );
	return str.replace( /\s+$/g, "" );
}