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