<select opt_type="image" style='width:300px;' name="Test123" class="formbox" id="Test123">
<option value="1">One</option>
<option value="2" img_src="/shared_js/dhtmlxSuite2/dhtmlxCombo/samples/common/images/books.gif">Two</option>
<option value="3">Three</option>
<option value="4" img_src="/siteedit/images/spacer.gif">Four</option>
<option value="5">Five</option>
</select>
var comboTest123 = dhtmlXComboFromSelect("Test123");
comboTest123.setDefaultImage("/siteedit/images/spacer.gif");
This results in a broken image when selecting any option but 2 and 4 (which have image tags). How do you specify the default image correctly in this scenario?