function unhide(i) { document.body.children[i].hidden = false } function toggle(id) { document.getElementById(id).hidden = !document.getElementById(id).hidden } function hide(i) { document.body.children[i].hidden = true } function hide_all() { for (i = 1; i < document.body.children.length-1; i++) { hide(i) } } function reset_color_style() { document.getElementById("color_style").innerHTML = ".module[title=Colors] {\n --module-bg: silver;\n --module-border-size: 1px;\n --module-border: solid black;\n}" } function add_button(id, i) { document.getElementById(id).innerHTML += "\n" } function reset_buttons(id, i) { document.getElementById(id).innerHTML = "