Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.

/* CSS file for cell dialog in the table plugin */

.panel_wrapper div.current {
	height: 200px;
}

.advfield {
	width: 200px;
}

#action {
	margin-bottom: 3px;
}

#class {
	width: 150px;
}