tracer says to #ysitd
k.dom.getElementsByTagNameAndClass_(this.document_,a,c,d)};b.getElementsByClass=function(a,c){var d=c||this.document_;return k.dom.getElementsByClass(a,d)};b.getElementByClass=function(a,c){var d=c||this.document_;return k.dom.getElementByClass(a,d)};b.getRequiredElementByClass=function(a,c){var d=c||this.document_;return