Commented Unassigned: TabContainer visibility [27866]

I'm working on an page and in the computer I'm working on, the tab container shows perfectly fine. But in the other computer, it seems to be automatically tagged as hidden.

Is there any solution to this?
Comments: <ajaxToolkit:TabContainer ID="TBCONTIndex" runat="server" Width="100%" Visible="true" AutoPostBack="true" OnActiveTabChanged="tabChangeHandler" style="min-width:1200px; border-style:none; font-size: 8pt; display:block; visibility:visible;" ActiveTabIndex="6" CssClass="property_tab"> <ajaxToolkit:TabPanel runat="server" TabIndex="0" ID="TPNPendingForSubmission" HeaderText="Pending for Submission (0)"/> <ajaxToolkit:TabPanel ID="TPNPendingForAuthorization" TabIndex="1" runat="server" HeaderText="Pending for Authorization (0)" /> <ajaxToolkit:TabPanel ID="TPNPendingForVerification" TabIndex="2" runat="server" HeaderText="Pending for Verification (0)"/> <ajaxToolkit:TabPanel ID="TPNClosed" TabIndex="3" runat="server" HeaderText="Closed"/> <ajaxToolkit:TabPanel ID="TPNVoid" TabIndex="4" runat="server" HeaderText="Voided"/> <ajaxToolkit:TabPanel ID="TPNReject" TabIndex="5" runat="server" HeaderText="Rejected"/> <ajaxToolkit:TabPanel ID="TPNSearchResult" TabIndex="6" runat="server" HeaderText="Result (0)"/> </ajaxToolkit:TabContainer> That's the tabContainer that stays hidden for the others