or


<tr> <td style="vertical-align: top">Conversion: </td> <td> <telerik:RadComboBox runat="server" ID="ConversionType" Width="100%" DataTextField="ConversionDescription" DataValueField="ConversionTypeID" OnClientLoad="onLoad" Skin="Sunset" EmptyMessage="Select Conversion" MaxHeight="200px" CheckBoxes="True" ShowToggleImage="False" EnableCheckAllItemsCheckBox="true" ShowDropDownOnTextboxClick="False" MarkFirstMatch="True"/> </td></tr>function onLoad(sender) { var div = sender.get_element(); $telerik.$(div).mousedown(function (e) { if (sender.get_dropDownVisible()) { sender.hideDropDown(); } else { sender.showDropDown(); } }); }