var current=0;
var timeout;
function sec_nav_show (val) {
		clearTimeout(timeout);
		if (current != val && current != 0) {
		var el = "sec_nav_group"+current;
		var e=document.getElementById(el);
		e.style.display="none";
		}
		var el = "sec_nav_group"+val;
		var e=document.getElementById(el);
		e.style.display="block";
		current = val;
}
function clear_time (val) {
	//	if (current == val) {
	clearTimeout(timeout);
		//}
}

function set_time(val) {
	//	if (current == val) {
	clearTimeout(timeout);
	timeout = setTimeout("hide("+val+")",1000);
	//	}
}
function hide(val) {
		clearTimeout(timeout);
 		var el = "sec_nav_group"+val;
		var e=document.getElementById(el);
		e.style.display="none";
		current = 0;
		}