if(o.buffer){
h = createBuffered(h, o);
}
+
fn._handlers = fn._handlers || [];
var cls = [
Roo.isIE ? "roo-ie"
+ : Roo.isIE11 ? "roo-ie11"
+ : Roo.isEdge ? "roo-edge"
: Roo.isGecko ? "roo-gecko"
: Roo.isOpera ? "roo-opera"
: Roo.isSafari ? "roo-safari" : ""];