//index
function OnMouse(thisObj,num,url)
{
    var nameTab = document.getElementsByName("Pic_list");
    
    if(thisObj.className == "indexactive")
        return;
    for(i=0;i<nameTab.length;i++)
    {
          if (i == num)
          {
              thisObj.className = "indexactive";
              switch(i)
                {
                    case 0:thisObj.src='images/a2.jpg';break;
                    case 1:thisObj.src='images/a3.jpg';break;
                    case 2:thisObj.src='images/a1.jpg';break;
                    case 3:thisObj.src='images/a4.jpg';break;
                    default:thisObj.src = Pic;break;
                }
          }
          else
          {
               nameTab[i].className = "indexnormal";
               switch(i)
                {
                    case 0:nameTab[i].src='images/b2.jpg';break;
                    case 1:nameTab[i].src='images/b3.jpg';break;
                    case 2:nameTab[i].src='images/b1.jpg';break;
                    case 3:nameTab[i].src='images/b4.jpg';break;
                    default:nameTab[i].src = Pic;break;
                }
          }
    }
    document.getElementById("NewsIframe").src= url;
}