var poems = new Array();

function toggle(name) {
	var id = document.getElementById(name).style;
	if (id.display == '')
		eval('id.display=\'none\';');
		else if (id.display == 'none')
			eval('id.display=\'\';');
}

function change(name, display) {
	var id = document.getElementById(name).style;
	switch (display) {
	case "hide" :
	  eval('id.display=\'none\';')
	  break;
	case "show" :
	  eval('id.display=\'\';')
	  break;
	default :
	  toggle(name);
	}
}

function arrayAll(display) {
	for (i = 0; i < poems.length; i++)
		change(poems[i], display);
}