//Menu functions
var activesubnav;
function activate_menu(ptrin){
	if (activesubnav && ptrin!=activesubnav){
		hide_menu();
	}
	if (ptrin){
		document.getElementById(ptrin).style.display="block";
		document.getElementById(ptrin).style.position="absolute";
		StopTheClock();
	}
	activesubnav=ptrin;
}
function hide_menu(){
	if (activesubnav){
		document.getElementById(activesubnav).style.display="none";
	}
}