rem: z.timer = setInterval(function(){ z.step(from, to); }, 13); 
add: return this.each(function(){ if ( !this.queue ) this.queue = {};  if ( !this.queue[type] ) this.queue[type] = [];  this.queue[type].push( fn );  if ( this.queue[type].length == 1 ) fn.apply(this); }); 
context: 			z.timer = setInterval(function(){				z.step(from, to);			}, 13);
meta: 2411	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2411/8a1adfcd2a0ea8fbb72ac53537cbfe6ebeba0cdf/fx.js/clean/src/fx/fx.js