function listbox_moveacross(sourceID, destID) { var src = document.getElementById(sourceID); var dest = document.getElementById(destID); for(var count=0; count < src.options.length; count++) { if(src.options[count].selected == true) { var option = src.options[count]; var newOption = document.createElement("option"); newOption.value = option.value; newOption.text = option.text; newOption.selected = true; try { dest.add(newOption, null); //Standard src.remove(count, null); }catch(error) { dest.add(newOption); // IE only src.remove(count); } count--; } } } // http://www.sharejs.com //.. listbox_moveacross('countryList', 'selectedCountryList'); //javascript/8788