two methods:
1. set the enclosing div's scrollTop to the enclosed div's offsetTop if you have the div's lined vertically
2. use scrollIntoView method:
<div id="enclosing" style="overflow:auto; width:400; height:300">
<div id="enclosed1" style="background-image:url(Back.jpg);width:320; height:240;color:blue;font-size:20">11111111</div>
<div id="enclosed2" style="background-image:url(Back.jpg);width:320; height:240;color:blue;font-size:20">22222222</div>
<div id="enclosed3" style="background-image:url(Back.jpg);width:320; height:240;color:blue;font-size:20">33333333</div>
</div><input type=button onclick="enclosing.scrollTop = enclosed3.offsetTop" value="Use scrollTop and offsetTop">
<input type=button onclick="enclosing.scrollTop=0" value="Reset">
<input type=button onclick="enclosed3.scrollIntoView()" value="Use scrollIntoView">Of course, you can also use scrollLeft and offsetLeft if you have the div's positioned horizontally.