tracer says to #ysitd
c=k.dom.vendor.getVendorJsPrefix()||"";return(c+a).toLowerCase()};k.math.Box=function(a,c,d,e){this.top=a;this.right=c;this.bottom=d;this.left=e};k.math.Box.boundingBox=function(a){for(var c=new k.math.Box(arguments[0].y,arguments[0].x,arguments[0].y,arguments[0].x),d=1;d<arguments.length;d++)c.expandToIncludeCoordinate(arguments[d]);return c};k.math.Box.prototype.clone=function(){return new