AjaxSlideShowExtender

I used 6 slideshowextender or more in one page using webservices
having GetSlides1,GetSlides2,GetSlides3,GetSlides4,GetSlides5,GetSlides6.

and  <asp:Image ID="Image1" runat="server" Height="100px" Width="75px" />

 <asp:Image ID="Image2" runat="server" Height="100px" Width="75px" />

 <asp:Image ID="Image3" runat="server" Height="100px" Width="75px" />

 <asp:Image ID="Image4" runat="server" Height="100px" Width="75px" />

 <asp:Image ID="Image5" runat="server" Height="100px" Width="75px" />

 <asp:Image ID="Image6" runat="server" Height="100px" Width="75px" />

two slideshow working fine but other is not working/not loading.

only two Image1 called GetSlides1, Image2 called GetSlides2 but not Image3 GetSlides3 and so on..

code is given bellow:

<ajax:slideshowextender ID="Slideshowextender1" runat="server"
TargetControlID="Image1"
ImageTitleLabelID="lblTitle1"
NextButtonID="btnNext1"
PreviousButtonID="btnPre1"
PlayButtonID="btnPlay1"
PlayButtonText="Play"
StopButtonText="Stop"
AutoPlay="false"
Loop="true"
SlideShowServicePath="WebServiceSlides.asmx"
SlideShowServiceMethod="GetSlides1">
</ajax:slideshowextender>

<ajax:slideshowextender ID="Slideshowextender2" runat="server"

AutoPlay="false" Loop="true" ImageTitleLabelID="lblTitle2"
NextButtonID="btnNext2"
PreviousButtonID="btnPre2"
PlayButtonID="btnPlay2"
PlayButtonText="Play" StopButtonText="Stop"
TargetControlID="Image2" SlideShowServicePath="WebServiceSlides.asmx"
SlideShowServiceMethod="GetSlides2">
</ajax:slideshowextender>

<ajax:slideshowextender ID="Slideshowextender3" runat="server"

AutoPlay="false" Loop="true" ImageTitleLabelID="lblTitle3"
NextButtonID="btnNext3" PreviousButtonID="btnPre3" PlayButtonID="btnPlay3"
PlayButtonText="Play" StopButtonText="Stop"
TargetControlID="Image3" SlideShowServicePath="WebServiceSlides.asmx"
SlideShowServiceMethod="GetSlides3">
</ajax:slideshowextender>

please help me to solve the problem. Thanks in advance