function hide_loglines() {
	loglines = $$('div#more_episodes .logline');
	for (var i=0; i<loglines.length; i++) {
		loglines[i].hide();
	}
}
	
function toggle_logline(logline) {
	if ( $(logline).visible() ) { 
		$(logline).hide();
		document.getElementById(logline + '_toggle').src = "image-panel/plus_sign.gif";
			
	} else { 
		$(logline).show();
		document.getElementById(logline + '_toggle').src = "image-panel/minus_sign.gif";
	}
}