var global_navs, dropouts_visible, dropout_timeouts, next_highest_zindex;
new Event.observe(window, (Prototype.Browser.IE ? "load" : "dom:loaded"), function() {
	global_navs = $("template_NaviHeadSecondLine")
		.select(".global_navigation")
		.invoke("observe", "mouseover", function(ev) { var el = Event.element(ev); showDropout((el.hasClassName("global_navigation") ? el : el.up(".global_navigation")).identify().sub("global_section", "")); })
		.invoke("observe", "mouseout", function(ev) { var el = Event.element(ev); hideDropout((el.hasClassName("global_navigation") ? el : el.up(".global_navigation")).identify().sub("global_section", "")); });
	if (global_navs.length > 0)
		next_highest_zindex = global_navs.last().down(".primary_sub").getStyle("z-index");
	dropouts_visible = global_navs.map(function(n) { return false; });
	dropout_timeouts = global_navs.map(function(n) { return null; });
 
	showDropout = function( param_dropout ) {
		if ($("primary_dropout"+param_dropout).setStyle({ zIndex: (++next_highest_zindex) }).down(".primary_sub_toc").childElements().length == 0)
			return;
		if (dropouts_visible[param_dropout-1]) {
			if (dropout_timeouts[param_dropout-1] != null) {
				clearTimeout(dropout_timeouts[param_dropout-1]);
				dropout_timeouts[param_dropout-1] = null;
			}
		} else {
			Effect.SlideDown(("primary_dropout"+param_dropout), { duration: 0.2, queue: { position: "end", scope: ("dropout" + param_dropout + "scope"), limit: 2 } });
			dropouts_visible[param_dropout-1] = true;
		}
		$("global_section"+param_dropout).addClassName("hover");
	}
	_hideDropout = function ( param_dropout ) {
		Effect.SlideUp(("primary_dropout" + param_dropout), { duration: 0.2, queue: { position: "end", scope: ("dropout" + param_dropout + "scope"), limit: 2 } });
		dropouts_visible[param_dropout-1] = false;
	}
	hideDropout = function( param_dropout ) {
		if (dropouts_visible[param_dropout-1] != null) {
			dropout_timeouts[param_dropout-1] = setTimeout(("_hideDropout(" + param_dropout + ")"), 300);
		}
		$("global_section"+param_dropout).removeClassName("hover");
	}
});
 
function showDropout() { }
function _hideDropout() { }
function hideDropout() { }