tinyMCEPopup.requireLangPack();

var ExampleDialog = {

	init : function() {

		var f = document.forms[0];

		// Get the selected contents as text and place it in the input

		f.someval.value = tinyMCEPopup.editor.selection.getContent({format : 'text'});

		f.somearg.value = tinyMCEPopup.getWindowArg('some_custom_arg');

	},

	insert : function() {

		// Insert the contents from the input into the document

		tinyMCEPopup.editor.execCommand('mceInsertContent', false, document.forms[0].someval.value);

		tinyMCEPopup.close();

	}

};

tinyMCEPopup.onInit.add(ExampleDialog.init, ExampleDialog);