javascript页面加载进度条

;

   function setPgb(pgbID, pgbValue)
   {
    if ( pgbValue <= 100 )
    {
     if (lblObj = document.getElementById(pgbID+'_label'))
     {
      lblObj.innerHTML ='程序加载中 javascript页面加载进度条

'+ pgbValue + '%'; // change the label value
     }

     if ( pgbObj = document.getElementById(pgbID) )
     {
      var divChild = pgbObj.children[0];

      pgbObj.children[0].style.width = pgbValue + "%";
     }

     window.status = "数据读取" + pgbValue + "%，请稍候 javascript页面加载进度条

";
    }

    if ( pgbValue == 100)
     window.status = "数据读取已经完成";

   }

   function showBar()
   {
    setPgb('pgbMain',i);
    i++;
   }
  </SCRIPT>