function App(extension) {
	if (navigator.appName=='Microsoft Internet Explorer') {
		eval("document.all.ID_MENU"+extension+".style.display=''");
		}
	else {
		eval("document.getElementById('ID_MENU"+extension+"').style.display=''");
		}
}

function Disp(extension) {
	if (navigator.appName=='Microsoft Internet Explorer') {
		eval("document.all.ID_MENU"+extension+".style.display='none'");
		}
	else {
		eval("document.getElementById('ID_MENU"+extension+"').style.display='none'");
		}
}