asp.net - how to select first list Item in <asp:dropdownlist > using javaScript -

this code

<asp:dropdownlist id="lue1" runat="server">      <asp:listitem selected="true" value=" - select 1 - "> - select 1 -       </asp:listitem>       <asp:listitem value="silver"> silver </asp:listitem>       <asp:listitem value="darkgray"> dark gray</asp:listitem>       <asp:listitem value="khaki"> khaki </asp:listitem>       <asp:listitem value="darkkhaki"> dark khaki </asp:listitem> </asp:dropdownlist> <br /> <a class="bullet blt-add" id="lnkaddanother1" href="javascript:"     onclick="shownextcountrol(this,2)">add another</a> 

function shownextcountrol show dropdownlist , selected listitem first 1

function setselectedindex(s, i) {     s.options[i-1].selected = true;     return;  }  setselectedindex(document.getelementbyid("lue1"),2); 

// @ position of 2 give position u need