ObjCopy = function(obj){
	var cpy;
	eval("cpy = "+obj.toSource());
	return cpy;
}
ChangeCase = function(txt_case){
	for (var s=0; s<fw.selection.length; s++){
		if (fw.selection[s].__proto__ != Text.prototype) continue;
		var text = ObjCopy(fw.selection[s].textRuns);
		var runs = text.textRuns;
		for (var r=0; r<runs.length; r++){
			runs[r].characters = runs[r].characters[txt_case]();
		}
		fw.selection[0].textRuns = text;
	}
}
ChangeCase("toUpperCase");