for (var i = 0; i < len; i++) {
dropdown.options[i+1] = new Option(projects[i][1], projects[i][0]);
if (dropdown.options[i+1].value == selected_item)
for (var i = 0; i < len; i++) {
dropdown.options[i+1] = new Option(projects[i][1], projects[i][0]);
if (dropdown.options[i+1].value == selected_item)