Ajax UpdateProgress on page load

Hi Guys,

I have an query how to use Ajax updateprogress bar when page is loaded for first time, Below is user control which takes time to load the page is there any when we load the page it display the progress bar.

<uc:ClickableMap ID="map" runat="server" AllowSelectRegion="True" AllowSelectNation="True" NationAutoPostBack="True"  />

Thanks in Advance

Shabbir