var Words=Collection.extend({constructor:function(script){this.base();forEach(script.match(WORDS),this.add,this);this.encode()},add:function(word){if(!this.has(word))this.base(word);word=this.get(word);word.count++;return word},encode:function(){this.sort(function(word1,word2){return word2.count-word1.count});eval("var a=62,e="+Packer.ENCODE62);var encode=e;var encoded=new Collection;var count=this.size();for(var i=0;i<count;i++){encoded.put(encode(i),i)}var empty=function(){return""};var index=0;forEach(this,function(word){if(encoded.has(word)){word.index=encoded.get(word);word.toString=empty}else{while(this.has(encode(index)))index++;word.index=index++}word.encoded=encode(word.index)},this);this.sort(function(word1,word2){return word1.index-word2.index})},toString:function(){return this.getValues().join("|")}},{Item:{constructor:function(word){this.toString=function(){return word}},count:0,encoded:"",index:-1}});