Fixed splitting bug (really the same issue from stable) in get_pageid_from_url(); upgraded TinyMCE to version 3.0-stable
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>{#advimage_dlg.dialog_title}</title>
<script type="text/javascript" src="../../tiny_mce_popup.js"></script>
<script type="text/javascript" src="../../utils/mctabs.js"></script>
<script type="text/javascript" src="../../utils/form_utils.js"></script>
<script type="text/javascript" src="../../utils/validate.js"></script>
<script type="text/javascript" src="js/image.js"></script>
<link href="css/advimage.css" rel="stylesheet" type="text/css" />
<base target="_self" />
</head>
<body id="advimage" style="display: none">
<form onsubmit="ImageDialog.insert();return false;" action="#">
<div class="tabs">
<ul>
<li id="general_tab" class="current"><span><a href="javascript:mcTabs.displayTab('general_tab','general_panel');" onmousedown="return false;">{#advimage_dlg.tab_general}</a></span></li>
<li id="appearance_tab"><span><a href="javascript:mcTabs.displayTab('appearance_tab','appearance_panel');" onmousedown="return false;">{#advimage_dlg.tab_appearance}</a></span></li>
<li id="advanced_tab"><span><a href="javascript:mcTabs.displayTab('advanced_tab','advanced_panel');" onmousedown="return false;">{#advimage_dlg.tab_advanced}</a></span></li>
</ul>
</div>
<div class="panel_wrapper">
<div id="general_panel" class="panel current">
<fieldset>
<legend>{#advimage_dlg.general}</legend>
<table class="properties">
<tr>
<td class="column1"><label id="srclabel" for="src">{#advimage_dlg.src}</label></td>
<td colspan="2"><table border="0" cellspacing="0" cellpadding="0">
<tr>
<td><input name="src" type="text" id="src" value="" onchange="ImageDialog.showPreviewImage(this.value);" /></td>
<td id="srcbrowsercontainer"> </td>
</tr>
</table></td>
</tr>
<tr>
<td><label for="src_list">{#advimage_dlg.image_list}</label></td>
<td><select id="src_list" name="src_list" onchange="document.getElementById('src').value=this.options[this.selectedIndex].value;document.getElementById('alt').value=this.options[this.selectedIndex].text;document.getElementById('title').value=this.options[this.selectedIndex].text;ImageDialog.showPreviewImage(this.options[this.selectedIndex].value);"></select></td>
</tr>
<tr>
<td class="column1"><label id="altlabel" for="alt">{#advimage_dlg.alt}</label></td>
<td colspan="2"><input id="alt" name="alt" type="text" value="" /></td>
</tr>
<tr>
<td class="column1"><label id="titlelabel" for="title">{#advimage_dlg.title}</label></td>
<td colspan="2"><input id="title" name="title" type="text" value="" /></td>
</tr>
</table>
</fieldset>
<fieldset>
<legend>{#advimage_dlg.preview}</legend>
<div id="prev"></div>
</fieldset>
</div>
<div id="appearance_panel" class="panel">
<fieldset>
<legend>{#advimage_dlg.tab_appearance}</legend>
<table border="0" cellpadding="4" cellspacing="0">
<tr>
<td class="column1"><label id="alignlabel" for="align">{#advimage_dlg.align}</label></td>
<td><select id="align" name="align" onchange="ImageDialog.updateStyle('align');ImageDialog.changeAppearance();">
<option value="">{#not_set}</option>
<option value="baseline">{#advimage_dlg.align_baseline}</option>
<option value="top">{#advimage_dlg.align_top}</option>
<option value="middle">{#advimage_dlg.align_middle}</option>
<option value="bottom">{#advimage_dlg.align_bottom}</option>
<option value="text-top">{#advimage_dlg.align_texttop}</option>
<option value="text-bottom">{#advimage_dlg.align_textbottom}</option>
<option value="left">{#advimage_dlg.align_left}</option>
<option value="right">{#advimage_dlg.align_right}</option>
</select>
</td>
<td rowspan="6" valign="top">
<div class="alignPreview">
<img id="alignSampleImg" src="img/sample.gif" alt="{#advimage_dlg.example_img}" />
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erat volutpat.
</div>
</td>
</tr>
<tr>
<td class="column1"><label id="widthlabel" for="width">{#advimage_dlg.dimensions}</label></td>
<td nowrap="nowrap">
<input name="width" type="text" id="width" value="" size="5" maxlength="5" class="size" onchange="ImageDialog.changeHeight();" /> x
<input name="height" type="text" id="height" value="" size="5" maxlength="5" class="size" onchange="ImageDialog.changeWidth();" /> px
</td>
</tr>
<tr>
<td> </td>
<td><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><input id="constrain" type="checkbox" name="constrain" class="checkbox" /></td>
<td><label id="constrainlabel" for="constrain">{#advimage_dlg.constrain_proportions}</label></td>
</tr>
</table></td>
</tr>
<tr>
<td class="column1"><label id="vspacelabel" for="vspace">{#advimage_dlg.vspace}</label></td>
<td><input name="vspace" type="text" id="vspace" value="" size="3" maxlength="3" class="number" onchange="ImageDialog.updateStyle('vspace');ImageDialog.changeAppearance();" onblur="ImageDialog.updateStyle('vspace');ImageDialog.changeAppearance();" />
</td>
</tr>
<tr>
<td class="column1"><label id="hspacelabel" for="hspace">{#advimage_dlg.hspace}</label></td>
<td><input name="hspace" type="text" id="hspace" value="" size="3" maxlength="3" class="number" onchange="ImageDialog.updateStyle('hspace');ImageDialog.changeAppearance();" onblur="ImageDialog.updateStyle('hspace');ImageDialog.changeAppearance();" /></td>
</tr>
<tr>
<td class="column1"><label id="borderlabel" for="border">{#advimage_dlg.border}</label></td>
<td><input id="border" name="border" type="text" value="" size="3" maxlength="3" class="number" onchange="ImageDialog.updateStyle('border');ImageDialog.changeAppearance();" onblur="ImageDialog.updateStyle('border');ImageDialog.changeAppearance();" /></td>
</tr>
<tr>
<td><label for="class_list">{#class_name}</label></td>
<td><select id="class_list" name="class_list"></select></td>
</tr>
<tr>
<td class="column1"><label id="stylelabel" for="style">{#advimage_dlg.style}</label></td>
<td colspan="2"><input id="style" name="style" type="text" value="" onchange="ImageDialog.changeAppearance();" /></td>
</tr>
<!-- <tr>
<td class="column1"><label id="classeslabel" for="classes">{#advimage_dlg.classes}</label></td>
<td colspan="2"><input id="classes" name="classes" type="text" value="" onchange="selectByValue(this.form,'classlist',this.value,true);" /></td>
</tr> -->
</table>
</fieldset>
</div>
<div id="advanced_panel" class="panel">
<fieldset>
<legend>{#advimage_dlg.swap_image}</legend>
<input type="checkbox" id="onmousemovecheck" name="onmousemovecheck" class="checkbox" onclick="ImageDialog.setSwapImage(this.checked);" />
<label id="onmousemovechecklabel" for="onmousemovecheck">{#advimage_dlg.alt_image}</label>
<table border="0" cellpadding="4" cellspacing="0" width="100%">
<tr>
<td class="column1"><label id="onmouseoversrclabel" for="onmouseoversrc">{#advimage_dlg.mouseover}</label></td>
<td><table border="0" cellspacing="0" cellpadding="0">
<tr>
<td><input id="onmouseoversrc" name="onmouseoversrc" type="text" value="" /></td>
<td id="onmouseoversrccontainer"> </td>
</tr>
</table></td>
</tr>
<tr>
<td><label for="over_list">{#advimage_dlg.image_list}</label></td>
<td><select id="over_list" name="over_list" onchange="document.getElementById('onmouseoversrc').value=this.options[this.selectedIndex].value;"></select></td>
</tr>
<tr>
<td class="column1"><label id="onmouseoutsrclabel" for="onmouseoutsrc">{#advimage_dlg.mouseout}</label></td>
<td class="column2"><table border="0" cellspacing="0" cellpadding="0">
<tr>
<td><input id="onmouseoutsrc" name="onmouseoutsrc" type="text" value="" /></td>
<td id="onmouseoutsrccontainer"> </td>
</tr>
</table></td>
</tr>
<tr>
<td><label for="out_list">{#advimage_dlg.image_list}</label></td>
<td><select id="out_list" name="out_list" onchange="document.getElementById('onmouseoutsrc').value=this.options[this.selectedIndex].value;"></select></td>
</tr>
</table>
</fieldset>
<fieldset>
<legend>{#advimage_dlg.misc}</legend>
<table border="0" cellpadding="4" cellspacing="0">
<tr>
<td class="column1"><label id="idlabel" for="id">{#advimage_dlg.id}</label></td>
<td><input id="id" name="id" type="text" value="" /></td>
</tr>
<tr>
<td class="column1"><label id="dirlabel" for="dir">{#advimage_dlg.langdir}</label></td>
<td>
<select id="dir" name="dir" onchange="ImageDialog.changeAppearance();">
<option value="">{#not_set}</option>
<option value="ltr">{#advimage_dlg.ltr}</option>
<option value="rtl">{#advimage_dlg.rtl}</option>
</select>
</td>
</tr>
<tr>
<td class="column1"><label id="langlabel" for="lang">{#advimage_dlg.langcode}</label></td>
<td>
<input id="lang" name="lang" type="text" value="" />
</td>
</tr>
<tr>
<td class="column1"><label id="usemaplabel" for="usemap">{#advimage_dlg.map}</label></td>
<td>
<input id="usemap" name="usemap" type="text" value="" />
</td>
</tr>
<tr>
<td class="column1"><label id="longdesclabel" for="longdesc">{#advimage_dlg.long_desc}</label></td>
<td><table border="0" cellspacing="0" cellpadding="0">
<tr>
<td><input id="longdesc" name="longdesc" type="text" value="" /></td>
<td id="longdesccontainer"> </td>
</tr>
</table></td>
</tr>
</table>
</fieldset>
</div>
</div>
<div class="mceActionPanel">
<div style="float: left">
<input type="button" id="insert" name="insert" value="{#insert}" onclick="ImageDialog.insert();" />
</div>
<div style="float: right">
<input type="button" id="cancel" name="cancel" value="{#cancel}" onclick="tinyMCEPopup.close();" />
</div>
</div>
</form>
</body>
</html>