+/**
+ * set the version of bootstrap based on the stylesheet...
+ *
+ */
+
+Roo.bootstrap.version = (
+ function() {
+ var ret=3;
+ Roo.each(document.styleSheets, function(s) {
+ if (s.href.match(/css-bootstrap4/)) {
+ ret=4;
+ }
+ });
+ return ret;
+})();
\ No newline at end of file