tracer says to #ysitd
a.toLowerCase()==c.toLowerCase()};k.string.subs=function(a,c){for(var d=a.split("%s"),e="",f=Array.prototype.slice.call(arguments,1);f.length&&1<d.length;)e+=d.shift()+f.shift();return e+d.join("%s")};k.string.collapseWhitespace=function(a){return a.replace(/[\s\xa0]+/g," ").replace(/^\s+|\s+$/g,"")};k.string.isEmptyOrWhitespace=function(a){return/^[\s\xa0]*$/.test(a)};k.string.isEmptyString=function(a){return