// FAQ
var old_menu = '';
function menuclick(submenu) {
	
	if( old_menu !='' ) {
		old_menu.style.display = 'none';
	}
	submenu.style.display = '';
	old_menu = submenu;

	
}

//ÅؽºÆ®Çʵå Ŭ¸®¾î
function clearText(thefield){
if (thefield.defaultValue==thefield.value)
thefield.value = ""
}