//<![CDATA[
	
	function panels (){
		return new Array("contact", "linkedin", "essays", "ellipses");
	}

	function is_visible(id){
		return(document.getElementById(id).style.visibility=="visible");
	}
	
	function change_img(id, value){
		document.getElementById("menu_"+id).src = "images/bar-" + id + "_" + value + ".png";
	}
	
	function bar_click(destination) {
		var ps =panels();
		for(var p in ps){
			var panel = ps[p];
				document.getElementById(panel).style.visibility = (panel==destination)?"visible":"hidden";
		}
		bar_reset();
	}
	
	function bar_reset(){
		var ps = panels();
		for(var p in ps){
			var panel = ps[p];
			change_img(panel, is_visible(panel)?"dark":"light");
		}
	}
	//]]>