tracer says to #ysitd
a.tagName==k.dom.TagName.A||a.tagName==k.dom.TagName.INPUT||a.tagName==k.dom.TagName.TEXTAREA||a.tagName==k.dom.TagName.SELECT||a.tagName==k.dom.TagName.BUTTON};k.dom.hasNonZeroBoundingRect_=function(a){a=!k.isFunction(a.getBoundingClientRect)||k.userAgent.IE&&null==a.parentElement?{height:a.offsetHeight,width:a.offsetWidth}:a.getBoundingClientRect();return