Dear Roger,<div><br></div><div>Thank so much for your help and quick response. I tried the codes that you sent but it still won't work. The last one loads the viewer.php but no pdf was embeded. The other with a </form><form> tag has the same effect as my codes. I will try working around with it and see the effect.</div><div><br></div><div>Regards,</div><div><br></div><div>Francisco<br><br><div id="ymail_android_signature"><a id="ymail_android_signature_link" href="https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature" target="_blank" rel="noreferrer noopener">Sent from Yahoo Mail on Android</a></div> <br> <blockquote style="margin: 0 0 20px 0;"> <div style="font-family:Roboto, sans-serif; color:#6D00F6;"> <div>On Sun, Feb 12, 2023 at 23:44, Roger Guilherme</div><div><memoria.info@gmail.com> wrote:</div> </div> <div style="padding: 10px 0 0 20px; margin: 10px 0 0 0; border-left: 1px solid #6D00F6;"> <div id="yiv3724280009"><div><div dir="ltr"><div dir="ltr">Dear Francisco,<br clear="none"><br clear="none">I checked the closing of the <form> and saw that by the structure of iAH it is quite complicated to insert a form inside another form.<br clear="none"><br clear="none">If you notice, page navigation is not working in your iAH that has this <form><br clear="none"><br clear="none">My suggestion is to replace it with link and apply a button style with CSS.<br clear="none"><br clear="none">I believe the line below solves the whole issue:<br clear="none"><br clear="none"><font face="monospace"><font style="background-color:rgb(204,204,204);">'<style>'<br clear="none">'.btn {<br clear="none">  background-color: #1f8b21;<br clear="none">  color: white;<br clear="none">  padding: 8px 10px;<br clear="none">  text-decoration: none;<br clear="none">  cursor: pointer;<br clear="none">  border: none;<br clear="none">  margin: 5px;<br clear="none">  transition: 0.3s;<br clear="none">}'<br clear="none"><br clear="none">'.btn:hover {<br clear="none">  background-color: #4bbb4e;<br clear="none">}'<br clear="none">'</style>'<br clear="none"><br clear="none">'<a class="btn" href="/viewer.php?pdffile=/bases/theses/pdf/</font><span style="background-color:rgb(204,204,204);">'v990*4'"</span><font style="background-color:rgb(204,204,204);"> target="_blank">View PDF</a>'</font></font><div><br clear="none"></div><div>Try replacing your entire form with this code and see if it works better.<div id="yiv3724280009yqtfd81458" class="yiv3724280009yqt6570614797"><br clear="none"></div></div><div id="yiv3724280009yqtfd17548" class="yiv3724280009yqt6570614797"><div><br clear="none"></div><div><br clear="none"></div><div>Best regards,</div></div><div><br clear="none"></div></div><div dir="ltr" class="yiv3724280009gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr" style="color:rgb(34,34,34);"><b>Roger C. Guilherme</b></div><div dir="ltr" style="color:rgb(34,34,34);"><span style="font-size:x-small;">ABCD Community | Systems Librarian </span><b><br clear="none"></b></div><div dir="ltr" style="color:rgb(34,34,34);"><span style="font-size:x-small;">Telegram/Whastapp: +5551992380849 - Brazil</span><span style="font-size:x-small;"><br clear="none"></span></div><div dir="ltr" style="color:rgb(34,34,34);"><br clear="none"></div><div dir="ltr" style="color:rgb(34,34,34);"><img width="200" height="68" src="https://ci3.googleusercontent.com/mail-sig/AIorK4xK85CVaRb9mnSEpUnxx70WzXST6tduFYNIZlGa6UfgluZRlXmnH8KXr47GngKVicTNXVN8Yf0" id="ymail_ctr_id_-304925-2"></div><div dir="ltr" style="color:rgb(34,34,34);"><a shape="rect" href="https://abcd-community.org/" style="font-size:x-small;" target="_blank" rel="noreferrer noopener">https://abcd-community.org/</a><b><br clear="none"></b></div><div dir="ltr"><font size="1"><a shape="rect" href="http://abcdbrasil.org/" style="color:rgb(17,85,204);" target="_blank" rel="noreferrer noopener">http://abcdbrasil.org</a></font></div></div></div></div></div><div id="yiv3724280009yqtfd75375" class="yiv3724280009yqt6570614797">
</div></div></div> </div> </blockquote></div>