i downloaded the nicedit with mathtype js plugin files but i cannot setup the editor i get the window.opener is null error second thing i cannot find the com.wiris.jsEditor class in any js files
<i><!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<textarea name="area"></textarea>
<div id="editorContainer">
</div>
<script src="../js/nicEdit.js"></script>
<script>
_wrs_currentPath = "/var/www/html/nicedit/"
nicedit_wiris_path = "nicedit_wiris"
</script>
<script src="../nicedit_wiris/core/WIRISplugins.js?viewer_image"></script>
<script src="../nicedit_wiris/nicedit_wiris.js"></script>
<script src="../nicedit_wiris/core/core.js"></script>
<script src="../nicedit_wiris/core/display.js"></script>
<script src="../nicedit_wiris/core/displaymathml.js"></script>
<script src="../nicedit_wiris/core/cas.js"></script>
<script src="../nicedit_wiris/core/editor.js"></script>
<script>
bkLib.onDomLoaded(function () {
nicEditors.allTextAreas()
// editor = new com.wiris.jsEditor.JsEditor('editor', null);
});
</script>
</body>
</html></i>
