function video_object_base(){this.id="";this.provider=null;this.duration=-1;this.fmturlmap={};this.tbmap={};this.watchurl="";this.title="";this.author="";this.description="";this.urlstr=function(b){if(!b){b=false}var a="";if(b){a="vid="+this.id+"&prov="+this.provider.name}else{if(this.provider.short_name!=""){a+="/"+this.provider.short_name}a+="/"+this.id}return a}}function vidobj_factory(){this._self=null;this.get=function(){if(!this._self){this._self=this.init()}return this._self};this.init=function(){var a=new Object();a.vidobj=function(d,c,b){if(!b){b=""}if(c==null){c=provider_factory().provider(d,b)}if(c==null){return null}return c.create_vidobj(d)};a.create_basic_vidobj=function(c,d){c=str_trim(c);var b=new video_object_base();b.provider=d;b.id=d.getid(c);b.watchurl=d.construct_watchpage_url(b.id);if(b.provider.is_valid_vidobj(b)==false){return null}return b};a.youtube_vidobj=function(c){var b=a.create_basic_vidobj(c,youtube_provider());b.dkey="";return b};a.vimeo_vidobj=function(b){return a.create_basic_vidobj(b,vimeo_provider())};return a};return this.get()};