onLnKey = '';
t = '';

var pause = 750;			  // pause time

function pauseHide() {
	t = setTimeout("switchLnNav()",pause);
}

function changeNav (key,state) {
	if (state) {
		if (t) {
			clearTimeout(t);
			t = '';
		}
	} else {
		pauseHide();
	}
	switchNav(key,state)
}

function switchLnNav (key) {
	if (t) {
		clearTimeout(t);
		t = '';
	}
	if (key == onLnKey) {
		
	} else {
		
		if (onLnKey == '') {
		
		} else {
			showHideLayers('','lnNav'+ onLnKey,'hidden');
			showHideLayers('','lnSnav'+ onLnKey,'hidden');
		}
		if (key == '') {
		
		} else {
			showHideLayers('','lnNav'+ key,'visible');
			showHideLayers('','lnSnav'+ key,'visible');
		}
		onLnKey = key
	}
}