Nav = {
	lis: null,
	initialized : false,

	initialize : function() {
		if (!this.initialized) {
			this.lis = $$('.top_navigation li');
			this.createEvents();
			this.initialized = true;
		}
	},

	createEvents : function() {
		for (var i=0; i<this.lis.length; i++) {
			var li = this.lis[i];
			if (li.hasClassName('selected')) {
				li.addClassName(li.className.substring(li.className.lastIndexOf(' ')+1, li.className.length)+'_selected');
			} else {
				li.observe('mouseover', this.rollOver);
				li.observe('mouseout', this.rollOut);
				li._class = li.className.substring(li.className.lastIndexOf(' ')+1, li.className.length);
			}
		}
	},

	rollOver : function() {
		this.addClassName(this._class+"_over");
	},

	rollOut : function() {
		this.removeClassName(this._class+"_over");
	}
}

var launchVs = function() {
	window.open("questions.html","_blank","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=no, copyhistory=no, width=700, height=600");
}

var showEnlarged = function(flashPath, caption, bigPath) {
   var panel = $('bigplayer');
   panel.show();
   var so = new SWFObject("assets/Flash/bigplayer.swf", "flash_big", "501", "405", "8", "#ffffff");
   so.addParam("quality", "high");
   so.addParam("wmode", "transparent");
   so.addVariable("flashPath", flashPath);
   so.addVariable("movieLabel", caption);
   so.addVariable("moviePath", bigPath);
   so.write("bigvideo");
}

var showFullsize = function(pic) {
	window.open(pic, 'large_pic');
}

var closeEnlarged = function() {
	var player = $('bigvideo');
	var panel = $('bigplayer');
	player.innerHTML = '';
	panel.hide();
}

Event.observe(window, 'load', function() {
	Nav.initialize();
	var draggable = new Draggable('bigplayer',{starteffect: '', endeffect: '', handle: 'draghandle'});
});