var global_navs, dropouts_visible,dropout_timeouts;
new Event.observe(window, "load", function() {
	global_navs = $("nav_main").select(".global_navigation");
	dropouts_visible = global_navs.map(function(n) { return false; });
	dropout_timeouts = global_navs.map(function(n) { return null; });

	showDropout = function( param_dropout ) {
		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;
		
		}
	
	}

	_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);
		
		}
	}
});

function showDropout() { }
function _hideDropout() { }
function hideDropout() { }