tracer says to #ysitd
a==c||a.contains(c);if("undefined"!=typeof a.compareDocumentPosition)return a==c||Boolean(a.compareDocumentPosition(c)&16);for(;c&&a!=c;)c=c.parentNode;return c==a};k.dom.compareNodeOrder=function(a,c){if(a==c)return 0;if(a.compareDocumentPosition)return a.compareDocumentPosition(c)&2?1:-1;if(k.userAgent.IE&&!k.userAgent.isDocumentModeOrHigher(9)){if(a.nodeType==k.dom.NodeType.DOCUMENT)return-1;if(c.nodeType==k.dom.NodeType.DOCUMENT)return 1}if("sourceIndex"i