var DA=10; //显示div个数
var DN="Title"; //div名称前缀
var FDN="FTitle";
var BImg=""; //原始背景
var BimgE="url('images/000.jpg')"; //变换背景

function DisplayAll()
{
  for(i = 1;i <= DA;i++)
  {
    document.getElementById(DN+i).style.display="none";
    document.getElementById(FDN+i).style.backgroundImage=BImg;
  }
}

function PlayOneDiv(obj,Fobj)
{
  DisplayAll();
  document.getElementById(obj).style.display="";
  document.getElementById(Fobj).style.backgroundImage=BimgE;
}