return this.getParentElement(n, na, function(no) {return tinyMCE.getAttrib(no, f) != '';}); 
return this.getParentElement(n, na, function(no) {return tinyMCE.getAttrib(no, f) !== '';}); 
		return this.getParentElement(n, na, function(no) {return tinyMCE.getAttrib(no, f) != '';});
4999	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4999/5aedce1521db51e0580dc7c394a64ebd1b655534/tiny_mce.js/buggy/wp-includes/js/tinymce/tiny_mce.js