//apre una finestra popup centrata
function newWindow_centered(a_str_windowURL, a_str_windowName,
		a_int_windowWidth, a_int_windowHeight, a_bool_scrollbars,
		a_bool_resizable, a_bool_menubar, a_bool_toolbar, a_bool_addressbar,
		a_bool_statusbar, a_bool_fullscreen) {
	var int_windowLeft = (screen.width - a_int_windowWidth) / 2;
	// var int_windowTop = (screen.height - a_int_windowHeight) / 2;
	var int_windowTop = 0;
	var str_windowProperties = 'height=' + a_int_windowHeight + ',width='
			+ a_int_windowWidth + ',top=' + int_windowTop + ',left='
			+ int_windowLeft + ',scrollbars=' + a_bool_scrollbars
			+ ',directories=0,titlebar=0,resizable=' + a_bool_resizable
			+ ',menubar=' + a_bool_menubar + ',toolbar=' + a_bool_toolbar
			+ ',location=' + a_bool_addressbar + ',statusbar='
			+ a_bool_statusbar + ',fullscreen=' + a_bool_fullscreen + '';
	var obj_window = window.open(a_str_windowURL, a_str_windowName,
			str_windowProperties)
	if (parseInt(navigator.appVersion) >= 4) {
		obj_window.window.focus();
	}
}

function callNews() {
	newWindow_centered('http://clientsection.contactlab.it/service/subscribe.php?g=2000890&wfc=1120008905712','', 700, 400, 1, 0, 0, 0, 1, 1, 0);
}

function eraseAllCookie() {
	SISAL.unsetCookie('_sezione');
	SISAL.unsetCookie('_menutop');
	SISAL.unsetCookie('_BoxInformativo');
	SISAL.unsetCookie('_BoxPromo');
	SISAL.unsetCookie('_BoxInfoSmall');
	SISAL.unsetCookie('_assvirt');
	SISAL.unsetCookie('visibleAssVirt');
	SISAL.unsetCookie('_sezionewfl');
	SISAL.unsetCookie('_menutopwfl');
	SISAL.unsetCookie('_BoxInformativowfl');
	SISAL.unsetCookie('_BoxPromowfl');
	SISAL.unsetCookie('_BoxInfoSmallwfl');
	SISAL.unsetCookie('_assvirtwfl');
	SISAL.unsetCookie('visibleAssVirtwfl');
}