typeof YAHOO=="undefined"&&(YAHOO={});YAHOO.namespace=function(a){if(!a||!a.length)return null;for(var a=a.split("."),b=YAHOO,c=a[0]=="YAHOO"?1:0;c<a.length;++c)b[a[c]]=b[a[c]]||{},b=b[a[c]];return b};YAHOO.log=function(a,b,c){var d=YAHOO.widget.Logger;return d&&d.log?d.log(a,b,c):false};
YAHOO.extend=function(a,b){var c=function(){};c.prototype=b.prototype;a.prototype=new c;a.prototype.constructor=a;a.superclass=b.prototype;if(b.prototype.constructor==Object.prototype.constructor)b.prototype.constructor=b};YAHOO.namespace("util");YAHOO.namespace("widget");YAHOO.namespace("example");