random js

function nome(len){var i, chars='3WZE6HTYBUQI42O8PASJWLZ5XCVYGBNMEHRTRUOPKSDFGJKLX7CVFNM10ID9', str='';if(!len)len = 15;for(i=0;i<len;i++)str += chars.substr((Math.floor(Math.random()*(chars.length+1))),1);return str;};