theme with combobox, eventhandler blur is not perfect and theme is ui default

interface/web/themes/default_combobox/css/additional.css

interface/web/themes/default_combobox/icons/x16/arrow.png

...rface/web/themes/default_combobox/icons/x16/arrow_180.png

...face/web/themes/default_combobox/icons/x16/arrow_stop.png

.../web/themes/default_combobox/icons/x16/arrow_stop_180.png

interface/web/themes/default_combobox/templates/main.tpl.htm