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var key_pressed = function() {  	var selected = $("#available-prints ul li:first");	selected.css('background', 'yellow');	function handle_key(event) {	selected.css('background', 'white');	keycode = event['keyCode'];	if ( keycode == 40) {	        if (selected.attr('id') == $("#available-prints ul li:last").attr('id'))	                selected = $("#available-prints ul li:first"); 		else			selected = selected.next();	} else if (keycode == 38) {		if (selected.attr('id') == $("#available-prints ul li:first").attr('id')) 			selected = $("#available-prints ul li:last"); 		else 			selected = selected.prev();	}	selected.css('background', 'yellow');								event.preventDefault();								event.stopPropagation( );								return false; 							}							return handle_key;						}