hyperlinks and spaces

hi
i have an asp.net web site and i ceate a menu with 6 hyperlinks next to them, when i am in design mode they are fixed to each other but when i start web site and show in browser they have some space with each other can you help me?
<td dir="rtl"> <asp:HyperLink ID="HyperLink6" runat="server" ImageUrl="~/Images/MenuBar1.jpg">HyperLink</asp:HyperLink> <asp:HyperLink ID="HyperLink7" runat="server" ImageUrl="~/Images/Menubar2.jpg">HyperLink</asp:HyperLink> <asp:HyperLink ID="HyperLink8" runat="server" ImageUrl="~/Images/MenuBar3.jpg">HyperLink</asp:HyperLink> <asp:HyperLink ID="HyperLink9" runat="server" ImageUrl="~/Images/menubar4.jpg">HyperLink</asp:HyperLink> <asp:HyperLink ID="HyperLink10" runat="server" ImageUrl="~/Images/m ...