// JScript 文件 

var time =20;
var h = 0;
function addimg()
{
  if(time>0)
    {
        time--;
        h = h+15;
    }
    else
    {
        return;
    }
    if(h>=200)  //高度
    {
        return;
    } 
    document.getElementById("images").style.display = "block";
    document.getElementById("images").style.height =h+"px";
    setTimeout("addimg()",20);
}