var showflag = 0;
function showFlag() {
	showflag = 1;
}
function hideFlag() {
	showflag = 0;
}
function hideSwitch() {
	if(!showflag) {
		MM_showHideLayers('navi01','','hide','navi02','','hide','navi03','','hide','navi04','','hide','navi05','','hide');
	}
}
function hideAll() {
	MM_showHideLayers('navi01','','hide','navi02','','hide','navi03','','hide','navi04','','hide','navi05','','hide');
}