{
   head:[
      { id:"sales",    width:70,  type:"dyn",   align:"right",  sort:"int", value:"Sales" },
      { id:"title",    width:150, type:"ed",    align:"left",   sort:"str", value:"Book Title" },
      { id:"author",   width:100, type:"ed",    align:"left",   sort:"str", value:"Author" },
      { id:"price",    width:80,  type:"price", align:"right",  sort:"str", value:"Price" },
      { id:"instore",  width:80,  type:"ch",    align:"center", sort:"str", value:"In Store" },
      { id:"shipping", width:100,  type:"co",    align:"left",   sort:"str", value:"Shipping" }
   ],
   data:[
       { 
         id:1001, 
         sales:"100",
         title:"A Time to Kill",
         author:"John Grisham",
         price:"12.99",
         instore:"1",
         shipping:"05/01/1998"
      },
      {
         id:1002, 
         sales:"1000",
         title:"Blood and Smoke",
         author:"Stephen King",
         price:"0",
         instore:"1",
         shipping:"01/01/2000"
      },
      {
         id:1003, 
         sales:"-200",
         title:"The Rainmaker",
         author:"John Grisham",
         price:"7.99",
         instore:"0",
         shipping:"12/01/2001"
      }
   ]
}