tracer says to #ysitd
c;c=a.firstChild;)a.removeChild(c)};k.dom.insertSiblingBefore=function(a,c){c.parentNode&&c.parentNode.insertBefore(a,c)};k.dom.insertSiblingAfter=function(a,c){c.parentNode&&c.parentNode.insertBefore(a,c.nextSibling)};k.dom.insertChildAt=function(a,c,d){a.insertBefore(c,a.childNodes[d]||null)};k.dom.removeNode=function(a){return a&&a.parentNode?a.parentNode.removeChild(a):null};k.dom.replaceNode=function(a,c){var