Replace that code with this
PHP Code:
<p>Page Title:
<input name='pagetitle' type='text' id='pagetitle'>
</p>
<p>Page Content: </p>
<p><input type=\"button\" value=\"Bold\" onClick=\"document.forms['form1']. elements['pagecontent'].value=document.forms['form1']. elements['pagecontent'].value+'Bold Text Here'\">
<input type=\"button\" value=\"Italics\" onClick=\"document.forms['form1']. elements['pagecontent'].value=document.forms['form1']. elements['pagecontent'].value+'Italic Text Here'\">
<input type=\"button\" value=\"Underline\" onClick=\"document.forms['form1']. elements['pagecontent'].value=document.forms['form1']. elements['pagecontent'].value+'Underlined Text Here'\">
<input type=\"button\" value=\"URL / Link\" onClick=\"document.forms['form1']. elements['pagecontent'].value=document.forms['form1']. elements['pagecontent'].value+'Link text goes here'\">
<input type=\"button\" value=\"Image\" onClick=\"document.forms['form1']. elements['pagecontent'].value=document.forms['form1']. elements['pagecontent'].value+''\">
<input type=\"button\" value=\"Image w/ Link\" onClick=\"document.forms['form1']. elements['pagecontent'].value=document.forms['form1']. elements['pagecontent'].value+''\">