/**
 *
 * FUNZIONI GENERALI DEL FRAMEWORK
 * 
 */

// cambia la classe ad un oggetto
function change_cssclass(obj, class_name) {
	obj.className = class_name;
}
function div_toggle(div_name) {
	if ($(div_name) != null) {
		if ($(div_name).getStyle('display')!='none')
			$(div_name).setStyle('display', 'none');
		else
			$(div_name).setStyle('display', 'block');
	}
}

function input_readonly_toggle(input_name, c_readonly, c_modify) {
	if ($(input_name) != null) {
		if ($(input_name).get('class')==c_readonly) {
			$(input_name).set('class', c_modify);
			$(input_name).readOnly=false;
		}
		else {
			$(input_name).set('class', c_readonly);
			$(input_name).readOnly=true;
		}
	}
}