

<!-- activate indicator for link menu item -->

function arrow_link_on(targName) {
	if (document.images) {
	document [targName].src = "/nasmicons/navicons/B_link_on.gif";
	}
}
	
<!-- activate indicator for sublink menu item -->

function arrow_sublink_on(targName) {
	if (document.images) {
	document [targName].src = "/nasmicons/navicons/B_sublink_on.gif";
	}
}

<!-- turn off indicator for a link menu item -->

function arrow_link_off(targName) {
	if (document.images) {
	document [targName].src = "/nasmicons/navicons/B_link_off.gif";
	}
}

<!-- turn off indicator for a sublink menu item --->

function arrow_sublink_off(targName) {
	if (document.images) {
	document [targName].src = "/nasmicons/navicons/B_sublink_off.gif";
	}
}

<!-- activate indicator for 2 line link menu item -->

function arrow_link2_on(targName) {
	if (document.images) {
	document [targName].src = "/nasmicons/navicons/B_link2_on.gif";
	}
}
	
<!-- activate indicator for 2 line sublink menu item -->

function arrow_sublink2_on(targName) {
	if (document.images) {
	document [targName].src = "/nasmicons/navicons/B_sublink2_on.gif";
	}
}

<!-- turn off indicator for a 2 line link menu item -->

function arrow_link2_off(targName) {
	if (document.images) {
	document [targName].src = "/nasmicons/navicons/B_link2_off.gif";
	}
}

<!-- turn off indicator for a 2 line sublink menu item --->

function arrow_sublink2_off(targName) {
	if (document.images) {
	document [targName].src = "/nasmicons/navicons/B_sublink2_off.gif";
	}
}