javascript - Microsoft JScript runtime error: Access is denied. When child html function call to parent html function -


in asp.net application trying enlarge image in iframe, shown below

<head id="head1" runat="server">     <script type="text/javascript">         function showbigimg(){             alert('works');         }     </script> </head> <body>     <form id="form1" runat="server">          <%--other page controls--%>          <iframe id="htmliframe">                             <html>                 <head></head>                 <body>                     <a href="#" onclick="parent.showbigimg();">                         <img src="../someimage.png"/>                     </a>                 </body>             </html>         </iframe>     </form> </body>

when click on image in iframe access denied in ie , permission denied access property in ff.

am doing in right way or there alternate method.

edit: place div in parent html img enlarged size, when showbigimg called


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