Mine

<script type="text/javascript">// Creates a new plugin class and a custom listboxtinymce.create('tinymce.plugins.ExamplePlugin', {	createControl: function(n, cm) {		switch (n) {					case 'participants':				var partlb = cm.createListBox('participants', {					title : 'Participants',					onselect : function(v) {					//tinyMCE.activeEditor.windowManager.alert('Value selected:' + v);					tinyMCE.activeEditor.focus();					tinyMCE.activeEditor.selection.setContent(v);					}			});						<?php getTinyPartField() ; ?>						return partlb;					case 'pages':				var pageslb = cm.createListBox('pages', {					title : 'Pages',					onselect : function(v) {					//tinyMCE.activeEditor.windowManager.alert('Value selected:' + v);					tinyMCE.activeEditor.focus();					tinyMCE.activeEditor.selection.setContent(v);					}			});						<?php getTinyPages() ; ?>		 			// Return the new listbox instance			return pageslb;					 		}		return null;	}});tinymce.PluginManager.add('example', tinymce.plugins.ExamplePlugin);	tinyMCE.init({		mode : "exact",		elements : "html",		plugins : '-example', 		theme : "advanced",				theme_advanced_buttons1 : "save,newdocument,|,bold,italic,underline,|,justifyleft,justifycenter,justifyright,justifyfull",		theme_advanced_buttons2 : "cut,copy,paste,pastetext,pasteword,|,undo,redo,|,link,unlink,anchor,image,cleanup,help,code,|,forecolor,backcolor",		theme_advanced_buttons3 : "participants,pages",		theme_advanced_toolbar_location : "top",		theme_advanced_statusbar_location : "bottom",		theme_advanced_resizing : true,		setup : function(ed) {			// Add a custom button			ed.addButton('mybutton', {			title : 'My button',			onclick : function() {				// Add you own code to execute something on click				ed.focus();				ed.selection.setContent('<strong>Hello world!</strong>');			}			});		}	});	</script>