Only attempt to beautify if we have a cM instance

plugins/cssbeautify/index.php

@@ -35,9 +35,11 @@ c?4:2):a+=b;else if(2===c)if(t(b)){c=f(a);if(0===c.length)0<k.length&&(a="\n\n")
 0<g&&(c=2)):a+=b;else if(6===c)if(!q(b))a+=b,c=7;else{if("'"===d||'"'===d)c=7}else 7===c?"}"===b?(n(),c=0,0<g&&(c=2)):";"===b?(a=f(a),a+=";\n",c=4):(a+=b,"("===b&&"l"===a.charAt(a.length-2)&&"r"===a.charAt(a.length-3)&&"u"===a.charAt(a.length-4)&&(c=8)):8===c&&")"===b&&a.charAt("\\"!==a.length-1)?(a+=b,c=7):a+=b}return a=k.join("")+a}"undefined"!==typeof exports?module.exports=exports=p:"object"===typeof window&&(window.cssbeautify=p)})();
 
 cM = top.ICEcoder.getcMInstance();
-cM.setValue(cssbeautify(cM.getValue(), {
-    indent: '	',
-    openbrace: 'end-of-line',
-    autosemicolon: false
-}));
+if (cM) {
+	cM.setValue(cssbeautify(cM.getValue(), {
+		indent: '	',
+		openbrace: 'end-of-line',
+		autosemicolon: false
+	}));
+}
 </script>